Los Angeles County Assessor Property Search 2026

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Los Angeles County, California · AIN/APN lookup, parcel maps, assessments, supplemental bills and appeals

Connect an LA County Parcel to Its Assessment, Tax Bill and Recorded Document

Begin with the Los Angeles County Assessor Portal when you need an AIN or APN, situs address, use type, parcel status, tax rate area, building details, land information, assessed value, exemption status, parcel map or assessment history.

The Assessor does not collect the bill or provide a complete internet deed index. Use the Treasurer and Tax Collector for tax balances and payments, the Registrar-Recorder for recorded documents and the Assessment Appeals Board for a formal appeal.

Open official Assessor Portal Open Property Tax Portal Fix a failed search
10-digit AIN/APN Street number Main street name City or ZIP Assessment notice Tax bill and PIN
LA PARCEL GRID NAVIGATOR AIN MATCHING
SEARCH → VERIFY → ASSESS → PAY OR APPEAL
The public LA County Assessor Portal does not provide an online owner-name search. Search by AIN or address, use Legal Search or Map Search, or contact an Assessor district office about permitted ownership-record access. Recorded deeds are handled by the Registrar-Recorder, whose public real-estate index is not available as an open internet search.
Best identifier

Use the ten-digit AIN/APN whenever it is available.

AIN format

Four-digit map book, three-digit page and three-digit parcel.

2026 appeal period

Regular assessment appeals run July 2-November 30, 2026.

Appeal filing fee

The Appeals Board currently lists a $46 non-refundable fee.

Main Assessor line

(213) 974-3211 or toll-free (888) 807-2111.

Start with your goal

Which Los Angeles County property office do you need?

ASSESSOR RECORD Find the AIN, value or parcel

Search the official Assessor Portal by AIN or address, then review parcel and assessment details.

Follow the property-search steps
TAX BILL View a balance or make payment

Use the Treasurer and Tax Collector for annual, supplemental, adjusted or delinquent tax bills.

Use the tax-payment workflow
VALUE REVIEW Check Proposition 8 relief

Compare the January 1 market value with the factored base-year value and protect the appeal deadline.

Review decline-in-value options
FORMAL APPEAL File with the Appeals Board

Choose the correct bill type, deadline and evidence route before paying the filing fee.

Prepare an assessment appeal
DEED OR LIEN Use the Registrar-Recorder

Request or view recorded deeds, liens, reconveyances and other real-estate documents.

Follow the recorded-document route
NEW OWNER Prepare for supplemental taxes

Check the ownership update, homeowner exemption, supplemental assessment and escrow responsibility.

Use the new-owner checklist

Go directly to the LA County property task

The guide separates assessment, taxation, recorded documents and appeals so each action reaches the correct county department.

Original interface guide

Recognise the Assessor Portal fields before you click away

This is an original instructional recreation rather than a screenshot of a private property account. It avoids exposing a real owner’s information while showing the steps and verification fields that matter.

portal.assessor.lacounty.gov · official Los Angeles County Assessor Portal
Basic Search Legal Search Map Search

Start with one strong search

AIN: 1234-567-890 or address: 500 Temple
Annual bill, supplemental bill, title report or assessment notice
Remove unit, punctuation and extra direction words
Search parcel

Verify the complete result

AIN: match the tax bill and parcel map
Situs: confirm city, ZIP and street
Use type: residence, commercial, vacant or other
Building: units, square feet and effective year
Roll value: distinguish current and preparation years
Exemption: verify expected homeowner or other status
Do not stop at the search-result list. Open the detailed parcel record. Similar addresses, condominium projects, multi-parcel sites and properties near municipal boundaries can otherwise lead to the wrong AIN.
AIN and APN lookup

Read the ten-digit Los Angeles County parcel number correctly

AIN means Assessor Identification Number. APN means Assessor Parcel Number. Los Angeles County property systems commonly use AIN, while residents and real-estate professionals may also say APN.

Map book 1234
Page 567
Parcel 890
Where to find it

Annual or supplemental tax bill, assessment notice, title report, escrow documents, closing statement, parcel map or previous Assessor record.

Why it matters

The AIN connects the Assessor record, property tax bill, payment system, parcel map, appeal login and many county inquiries.

What it does not prove

An AIN identifies an assessment parcel. It does not by itself prove legal ownership, boundaries, permits, zoning or title condition.

Condominium warning: the building address can be shared by many separate AINs. Match the unit, legal description and parcel number instead of relying only on the street address.
Search troubleshooting

Fix a failed or confusing Los Angeles County parcel search

Try the next official search route before assuming the record is missing
Problem Likely reason Practical fix
Full address returns nothing The official situs format may differ from USPS, Google Maps, a lease or an apartment listing. Enter only the street number and main street name.
Unit number does not work A condominium or multi-unit parcel may be indexed differently. Search the building address, then verify the individual AIN and legal description.
Too many similar addresses Los Angeles County contains repeated street names across many cities and communities. Add the city or ZIP, or use Map Search to identify the correct parcel.
Vacant land has no address The parcel may be indexed by legal description or map location rather than a usable situs address. Use Legal Search or Map Search and confirm the AIN.
Owner-name search is unavailable The public Assessor portal does not publish owner-name search online because of privacy restrictions. Contact an Assessor district office or use the Registrar-Recorder document-request process.
Recently purchased property shows old information Recording, change-in-ownership review and assessment processing can take time. Save the recorded document reference and contact the Assessor with the AIN and transfer date.
Building details look wrong The record may contain an older measurement, use code, effective year or construction entry. Prepare plans, permits, measurements and photographs before requesting review.
The map boundary looks inaccurate Assessor maps are designed for assessment administration rather than boundary surveying. Compare the recorded deed, parcel map and professional survey.
Tax balance does not appear You are viewing the Assessor record rather than the Treasurer and Tax Collector system. Move to the official property tax or payment portal using the AIN.
Assessor inquiry script
I am reviewing AIN [1234-567-890] for [property address]. The portal shows [specific field], but my [assessment notice, permit, deed or measurement] shows [different information]. Which Assessor unit handles this issue, what documents should I submit and is there a deadline?
Parcel map verification

Use the Assessor map for parcel context, not a legal boundary decision

Open Map Search from the official Assessor Portal Open LA County Assessor Map Search
Locate the property by AIN or address The AIN is normally more reliable for vacant land, hillside parcels, condominium units and multi-parcel property.
Compare adjoining parcels and streets Check the selected parcel’s relationship to roads, alleys, neighbouring AINs and nearby geographic features.
Open the parcel detail Confirm the map book, page, parcel number and situs match the Assessor account.
Download or save the parcel map reference Keep it with the property record when contacting the Assessor, Recorder, city, surveyor or title company.
Use a survey or recorded map for legal questions Do not use the public Assessor map alone to locate a fence, easement, encroachment, property line or buildable area.
The Assessor’s legal description is for assessment purposes. For an actual legal description, obtain the acquisition deed or recorded parcel or tract map and consult a title professional, surveyor or appropriate engineering office.
Assessor-record decoder

Understand the fields shown on an LA County parcel record

Use each field to decide what to verify next
Field What it helps identify What it does not establish Best next action
AIN The assessment parcel used across LA County property-tax systems. Legal ownership or surveyed boundaries. Use it to connect the Assessor, tax, map and appeal records.
Situs address The physical address carried in the assessment record when available. A mailing address or complete legal description. Compare the parcel map and tax bill.
Use type The general assessment use, such as single-family, multi-family, commercial or institutional. Zoning, permitted use or code compliance. Verify zoning and permits with the applicable city or county department.
Parcel type The type of assessment parcel, such as a regular fee parcel. Title quality or ownership interest. Review the deed and title report.
Tax rate area The geographic tax-rate area connected to local taxing agencies. The complete current tax amount. Read the live tax bill and direct-assessment lines.
Tax status Whether the parcel is shown as current, delinquent or in another tax condition. A final payoff or payment posting. Verify through the Treasurer and Tax Collector.
Exemption A homeowner, welfare or other exemption carried on the parcel record. That every available relief programme has been claimed. Review Assessor exemption forms and notices.
Building square footage The improvement area used in the assessment record. Permitted living area or architectural measurement. Compare permits, plans and physical measurements.
Year built and effective year Original construction timing and an adjusted effective age after major changes or rehabilitation. Exact renovation dates or permit status. Review assessment history and building permits.
Assessment history Roll entries, recording dates, value changes and possible ownership or construction events. The legal meaning of every code without supporting records. Use the portal help and contact the Assessor about disputed entries.
California assessment rules

Why assessed value can be far below an LA property’s sale price

BASE EVENT Base-year value

Commonly established when the property changes ownership or qualifying new construction is completed.

ANNUAL FACTOR Factored value

Proposition 13 generally limits the ordinary annual inflation adjustment to the lower applicable factor, not exceeding 2 percent.

TAX ROLL Assessed value

The taxable assessment generally follows the factored base-year value unless another rule, exemption or temporary market reduction applies.

Proposition 13

Limits the general property tax rate to 1 percent plus voter-approved indebtedness and generally limits base-year-value inflation increases to no more than 2 percent annually.

Proposition 8

Allows a temporary reduction when the property’s January 1 market value falls below its factored base-year value.

New base-year event

A qualifying ownership change or new construction can create a new base-year value for the transferred or newly constructed portion.

A Proposition 8 value can rise by more than 2 percent in a later year. The temporary market value may increase as the market recovers, but it cannot exceed the factored Proposition 13 value unless another reassessable event occurs.
Portal labels matter: the parcel page may show a current roll, a future roll-preparation value and one or more base years. Compare the correct year before deciding that the assessment increased incorrectly.
New owner and new construction

Prepare for a supplemental assessment that is separate from the annual bill

California law generally requires reassessment after a qualifying ownership change or completion of new construction. The Assessor calculates the new value, and the county can issue a supplemental bill for the difference between the new and prior assessed values.

Confirm the ownership-change or construction date This date determines when the supplemental assessment begins.
Review the Notice of Supplemental Assessment Compare the new assessed value, prior assessed value and net supplemental difference.
Expect a separate bill A supplemental property tax bill is additional to the annual secured tax bill. Paying one does not automatically pay the other.
Watch for two supplemental bills An ownership change or completed new construction between January 1 and May 31 can produce two supplemental assessments covering portions of two fiscal years.
Do not assume the mortgage company will pay it Supplemental bills are mailed directly to the property owner and are generally not automatically paid from an impound or escrow account. Confirm with the lender.
Appeal within the supplemental filing period when necessary Los Angeles County states that a supplemental assessment appeal is generally due within 60 days of the notice or tax-bill mailing date, using the applicable mailing or postmark rule.
Pay while an appeal is pending Filing an appeal does not suspend the bill. Pay by the printed deadline to avoid penalties, then seek an adjustment or refund if the assessment changes.
Annual and supplemental property tax records solve different questions
Record Why it exists What to verify
Annual secured bill Taxes the value enrolled on the annual secured roll for the fiscal year. AIN, fiscal year, two instalments, direct assessments and payment status.
Supplemental notice Explains the reassessment caused by a transfer or completed new construction. Event date, prior value, new value and appeal deadline.
Supplemental bill Bills the prorated tax generated by the net supplemental assessment. Sequence, instalment dates, amount and whether a second bill exists.
Adjusted bill Reflects a later roll correction, escape assessment, appeal result or other adjustment. Reason, revised amount and unique payment date.
Read the supplemental bill Open supplemental FAQs
Exemptions and relief

Check the homeowner exemption and property-specific relief after purchase

California’s Homeowners’ Exemption can reduce the assessed value of a qualifying principal residence by up to $7,000, which is commonly described as roughly $70 in annual basic property-tax savings.
Homeowners’ Exemption

For an owner who occupies the property as a principal residence on January 1. New owners are generally mailed a claim form.

Disabled Veterans’ Exemption

May provide substantially greater relief for a qualifying veteran or eligible unmarried surviving spouse. Current income and exemption thresholds should be verified.

Welfare exemption

May apply to qualifying charitable, religious, hospital or scientific organisations using property for exempt purposes.

Disaster or calamity relief

Property substantially damaged by a qualifying misfortune or calamity may be eligible for temporary reassessment relief.

Proposition 19 transfer

Eligible homeowners aged 55 or older, severely disabled owners and certain disaster victims may qualify to transfer a base-year value under current California rules.

Change-of-ownership exclusion

Certain family, spouse, domestic-partner, legal-entity or other transfers may require a timely claim and supporting documentation.

What a new homeowner should check

AIN and situs address are correct
Assessor mailing address is current
Homeowners’ Exemption claim was filed
Supplemental notice was reviewed
Annual and supplemental bills were both checked
Escrow responsibility was confirmed with the lender
Transfer exclusion forms were filed when applicable
Every submission confirmation was saved
Open Assessor forms and relief Review Assessor property FAQs
Do not assume the previous owner’s exemption transfers automatically. Recheck the parcel after ownership processing and keep the filed claim, supporting documents and confirmation.
Proposition 8 review

Request a 2026 decline-in-value review without losing appeal rights

2026 filing period: the Los Angeles County Assessor’s online decline-in-value system states that 2026 applications must be filed from July 2 through November 30, 2026.
Compare values as of January 1, 2026 The question is whether the property’s market value on the lien date was below its factored base-year value.
Open the official decline-in-value system Open 2026 Decline-in-Value Review
Prepare the AIN and tax-bill PIN Online filing requires the ten-digit AIN and the PIN printed on the annual property tax bill.
Use January 1 evidence Select comparable sales and market evidence that reasonably reflect the property’s condition and value around January 1, not a later market change alone.
Save the submitted application Print or save the confirmation, proposed value, comparable information and submission date.
Monitor the result before November 30 A request for Assessor review is not the same as a formal Assessment Appeals Board application.
File a formal appeal when needed to protect the deadline If the Assessor review is unresolved or unsatisfactory, consider filing the formal appeal by the applicable deadline.
Continue paying the tax bill A review request does not suspend payment. Pay on time to avoid penalties while the value question is pending.
A Proposition 8 review normally addresses the most recent January 1 assessment. It does not provide retroactive relief for every prior year and does not replace a timely supplemental-assessment appeal.
Informal Assessor review and formal assessment appeal are different processes
Process Purpose Key 2026 action
Decline-in-value review Ask the Assessor to review whether market value on January 1 was below the factored base-year value. File between July 2 and November 30, 2026 and save proof.
Formal regular assessment appeal Ask the Assessment Appeals Board to decide the disputed annual assessment. File July 2-November 30, 2026 with the required fee or waiver request.
Supplemental appeal Challenge a supplemental assessment after ownership change or new construction. File within the 60-day period connected to the mailed notice or bill.
Assessment Appeals Board

File the correct Los Angeles County assessment appeal

2026 regular filing deadline: the Assessment Appeals Board states that regular-assessment filing ends November 30, 2026 at 12:00 midnight Pacific Time.
Identify the type of assessment Choose annual, supplemental, unsecured or adjusted tax bill. Each has a different login and filing period.
Open the official Assessment Appeals Board website Open LA County Assessment Appeals Board
Prepare bill information Annual and supplemental online filing generally requires the name as printed on the bill, the AIN and the bill PIN.
Pay the current filing fee The Board currently lists a $46 non-refundable fee for an assessment appeal application.
Request a fee waiver when applicable Submit the waiver request with the appeal when the fee would create undue financial hardship.
State the requested value and reason Identify whether the issue concerns market value, base-year value, classification, allocation, ownership, new construction or another appealable assessment.
Attach organised evidence Use comparable sales, income and expense records, repair evidence, photographs, plans, permits, leases or other documents tied to the valuation date.
Keep the filing confirmation Save the application number, payment receipt, uploaded exhibits and submission timestamp.
Monitor the case status Use the Appeals Board system to review submitted applications, postponement, withdrawal or waiver options where available.
Pay the tax bill while the appeal is pending An appeal does not stop delinquency dates or penalties.
Los Angeles County Assessment Appeals Board filing periods
Assessment type Filing period Preparation
Regular assessment July 2-November 30 each year; 2026 filing ends November 30, 2026. Annual tax bill, AIN, PIN, value evidence and filing fee.
Supplemental assessment Within 60 days of the mailing date printed on the supplemental notice or bill, or the applicable postmark date, whichever is later. Supplemental notice, event date, prior value, new value and evidence.
Adjusted or escape assessment Within 60 days of the notice or adjusted or escape bill mailing date under the Board’s rule. Adjusted bill, explanation of change and supporting records.
Misfortune or calamity reassessment Within six months after mailing of the proposed reassessment notice. Damage date, photos, repair estimates, insurance information and notice.

Evidence that is easier for a hearing officer or board to follow

One-page summary of the requested value
Assessment notice and tax bill
Saved Assessor parcel record
AIN and property identification
Comparable-sale table with adjustments
Dated property-condition photographs
Repair, income or construction evidence
Copies of every submitted exhibit
Do not argue only that the tax bill is unaffordable or higher than a neighbour’s. The appeal should address the assessed value or another appealable assessment issue using relevant evidence for the correct valuation date.
Bills, balances and payment

Move from the Assessor record to the LA County tax-payment system

The Assessor establishes assessed values. The Treasurer and Tax Collector issues bills, receives payments, maintains payment history, applies penalties and handles delinquent secured and unsecured accounts.

Open the official Treasurer and Tax Collector payment page Open official payment options
Prepare the AIN The AIN is printed on the secured property tax bill and is required to search and pay online.
Match the year and sequence Annual, supplemental and adjusted bills can use different sequence numbers. Confirm the exact item before adding it to the payment cart.
Review all outstanding bills Check annual, supplemental, adjusted and prior-year balances rather than assuming one payment clears every obligation.
Choose the payment method Online eCheck currently has no county payment fee. Credit and debit card payments currently carry a 2.22% service fee with a $1.49 minimum.
Submit before the deadline Online payments can generally be made until 11:59 PM Pacific Time on the delinquency date.
Save the confirmation number Keep the AIN, year, sequence, amount, fee, payment date and confirmation.
Check payment history Confirm the payment posted to the correct bill and retain the receipt with the tax record.
Los Angeles County payment information published at the time of review
Method Published fee or limit Practical check
Online eCheck No county payment fee; transaction limit $2,500,000 Bank account must be ACH-enabled. Confirm account and routing numbers.
Online credit or debit card 2.22% service fee, minimum $1.49; transaction limit $99,999.99 including fee Review the displayed fee before authorising payment.
Telephone card payment 2.22% service fee, minimum $1.49 Call 1-888-473-0835 and have AIN, year and sequence ready.
Mail No card fee when paying by eligible check or money order Write the AIN on the payment, include the stub and use a qualifying timely postmark.
In person Card service fee applies; other accepted methods vary Main payment counter is at 225 N. Hill Street, first-floor lobby.
Annual secured bill schedule: the first instalment is due November 1 and becomes delinquent after December 10. The second instalment is due February 1 and becomes delinquent after April 10, subject to weekends and legal holidays.
For the 2026-27 secured bill, April 10, 2027 falls on a Saturday. The county’s weekend rule generally moves the effective final timely date to the next business day. Follow the date and instructions printed on the live bill.
Mailing a payment to an Assessor office does not count as paying the Tax Collector. Use the address and instructions printed by the Treasurer and Tax Collector.
Search balance and pay Understand the tax bill Review all payment methods
Recorded real-estate documents

Request a deed or lien without expecting an online public index

The Registrar-Recorder does not provide open internet access to its real-estate records or alphabetical indexes. Records may be requested online, by mail, fax or in person, and records can be viewed by appointment at the Norwalk headquarters.
Begin with the Assessor parcel Save the AIN, situs address and legal-description clues before requesting recorded documents.
Identify the likely document Examples include a grant deed, quitclaim deed, deed of trust, reconveyance, lien, release, easement or recorded map.
Prepare names and recording year Real-estate indexes are maintained by name and year. Prepare the grantor, grantee and approximate recording date.
Choose the request method The Recorder accepts online, mail, fax and in-person copy requests. Open Real Estate Records information
Use an appointment for in-person viewing Records from 1851-1957 are available in the lower level and records from 1958 to present are available on the second floor at the Norwalk headquarters.
Do not request an index search by telephone The Recorder states that telephone requests for real-estate index searches are not accepted.
Order the correct copy type Confirm whether a plain or certified copy is required and review the current document-specific fee.
Use a title professional for title conclusions A document copy does not establish that title is clear or identify every easement, lien, probate or legal issue.
Registrar-Recorder/County Clerk
12400 Imperial Highway
Norwalk, California 90650

Recorder/County Clerk: (800) 201-8999
Real Estate Records: option 3
Property Document Recording: option 2
Email: recorder@rrcc.lacounty.gov

Request timing

Online copy requests are currently described as being processed within 20 working days after receipt.

Fees vary by document and copy type. Confirm the total before ordering.

Request a real-estate record Schedule record viewing
Correction routing

Send each LA County property problem to the office that controls it

Incorrect situs or parcel details Contact the Assessor with the AIN, saved portal record and evidence showing the correct property information.
Incorrect mailing address File a change-of-mailing-address request with the Assessor and verify whether another county department also needs an update.
Incorrect building square footage or use Prepare permits, plans, measurements, photographs and a concise explanation of the disputed characteristic.
Incorrect assessed value First ask the Assessor to review factual errors or decline-in-value evidence, then protect the formal appeal deadline.
Incorrect tax balance or payment Contact the Treasurer and Tax Collector with the AIN, year, sequence, confirmation number and payment evidence.
Incorrect deed or recorded-document issue Contact the Registrar-Recorder or obtain legal or title assistance. The Assessor cannot rewrite a recorded deed.
Ownership change should be excluded File the applicable exclusion claim and supporting documents with the Assessor before the statutory deadline.
Permit or zoning question Contact the city with jurisdiction or Los Angeles County Public Works or Regional Planning for unincorporated property.
An Assessor correction is not automatically a tax-payment correction. After a value or parcel change, monitor the Auditor-Controller and Tax Collector systems for an adjusted bill or refund.
Los Angeles County scenarios

Use a property-specific search strategy across a large and complex county

Condominium unit

Search the building address, then match the unit’s separate AIN, legal description, parcel page and tax bill.

Duplex or apartment property

Confirm use type, number of units, building square footage and whether separate parcels or business accounts exist.

Vacant hillside parcel

Use the AIN and Map Search. Verify access, slope, zoning, fire, utilities and buildability with the proper agencies.

Multi-parcel commercial site

One street address can contain several AINs. Review and save each parcel and tax bill separately.

Property near a city boundary

The mailing city does not always identify the permitting jurisdiction. Confirm whether the parcel is incorporated or unincorporated.

Recently remodelled home

Compare the effective year, improvement details and assessment history with permits and the construction-completion date.

Trust or family transfer

Do not assume the transfer is excluded from reassessment. Review the deed, legal entity and applicable exclusion claim.

Fire or disaster damage

Document the damage date, photographs, repair estimates and insurance information, then review calamity reassessment relief.

Owner name needed

The public portal does not provide owner-name search. Use permitted Assessor access or the Recorder’s name-and-year document process.

Buyer and new-owner checklist

Do not estimate future tax from the seller’s current bill alone

Match every AIN included in the purchase
Review the Assessor’s situs and use type
Compare building and land characteristics
Review base year and assessment history
Check current and delinquent tax status
Search annual and supplemental bills separately
Confirm direct assessments and voter-approved debt
Recalculate tax using the likely new base-year value
Ask the lender whether supplemental bills are impounded
File the Homeowners’ Exemption claim when eligible
Review Proposition 19 or transfer exclusions
Save the deed, title policy, closing statement and survey
The seller’s Proposition 13 base-year value generally does not become the buyer’s permanent assessed value. A purchase can trigger reassessment and one or two supplemental bills before the new value appears on the regular annual bill.
2026-27 action calendar

Important Los Angeles County assessment and tax dates

Assessment lien date Property condition, ownership, exemption eligibility and market value are generally measured as of January 1 for the regular assessment roll.
Fiscal tax year begins California’s property tax fiscal year runs from July 1 through June 30.
2026 review and regular appeal filing opens The 2026 decline-in-value filing system and regular Assessment Appeals Board filing period open July 2.
First annual secured instalment due The first instalment is due November 1, although the delinquency date is later.
2026 regular appeal and decline-review deadline Los Angeles County currently lists November 30, 2026 as the final day for regular 2026 assessment appeals and decline-in-value applications.
First instalment delinquency date Pay or obtain a qualifying timely postmark by the applicable deadline to avoid the first-instalment penalty.
Second annual secured instalment due The second instalment for the annual secured bill is due February 1.
Normal second-instalment delinquency date April 10, 2027 is a Saturday, so the next-business-day rule generally applies. Follow the live bill.
Supplemental and adjusted appeal window Many supplemental, roll-change, adjusted and escape assessment appeals use a 60-day period tied to the notice or bill mailing date.
The individual notice or bill controls. Supplemental and adjusted bills can be issued at any time and carry their own due dates and appeal periods.
Verified county contacts

Los Angeles County assessment, tax, appeal and recorder offices

Los Angeles County Assessor
Kenneth Hahn Hall of Administration
500 West Temple Street, Room 225
Los Angeles, California 90012

Phone: (213) 974-3211
Toll-free: (888) 807-2111

Assessor: Jeffrey Prang

Use the district-office locator because many parcel records are maintained by regional offices.

Treasurer and Tax Collector
Kenneth Hahn Hall of Administration
225 North Hill Street, First Floor Lobby
Los Angeles, California 90012

In-person payment hours published by the department: Monday-Friday, 8:00 AM-5:00 PM Pacific Time, excluding county holidays.

Telephone card payment: (888) 473-0835

Assessment Appeals Board
Kenneth Hahn Hall of Administration
500 West Temple Street, Room B4
Los Angeles, California 90012

Phone: (213) 974-1471
Email: AABOffice@bos.lacounty.gov

Registrar-Recorder/County Clerk
12400 Imperial Highway
Norwalk, California 90650

Phone: (800) 201-8999
Real Estate Records: option 3
Email: recorder@rrcc.lacounty.gov

Before calling or visiting: prepare the AIN, property address, selected roll year, assessment notice, tax bill, saved parcel record and one clearly written question.
Official action links

Official Los Angeles County property resources

Assessor Portal

Search by AIN or address and review parcel, building, land and assessment history.

Open Assessor Portal
Assessor Map Search

Locate a parcel, compare neighbouring parcels and open parcel-map references.

Open parcel map
Office of the Assessor

Find forms, exemptions, district offices, relief programmes and contact options.

Open Assessor website
Property Tax Portal

Understand annual, supplemental, adjusted and unsecured tax bills.

Open Property Tax Portal
Tax payment system

Search a balance and pay secured property taxes using the AIN.

Search and pay
Payment instructions

Review eCheck, card, telephone, mail and in-person payment rules.

Open payment options
Decline-in-value review

File or review a 2026 Proposition 8 request using the AIN and bill PIN.

Open decline review
Assessment Appeals Board

File annual, supplemental, unsecured or adjusted assessment appeals.

Open appeal system
Real Estate Records

Request or schedule viewing of deeds, liens, releases and recorded documents.

Open Recorder resources
Editorial accountability

How this Los Angeles County guide was rebuilt

Mahesh Kumar, editor of AppraisalDistrict.org

Existing editor image preserved and county workflows expanded

The existing article’s editor image is retained while the shorter guide has been replaced with a complete AIN search process, privacy guidance, parcel-map workflow, Proposition 13 and Proposition 8 explanations, new-owner supplemental-bill steps, exemption checks, appeal preparation, payment fees, recorder limitations and local property scenarios.

The revised instructions were checked against the Los Angeles County Assessor Portal, Office of the Assessor, Treasurer and Tax Collector, Property Tax Portal, Assessment Appeals Board, Auditor-Controller, Registrar-Recorder/County Clerk and California State Board of Equalization.

AppraisalDistrict.org is an independent informational website and is not operated by Los Angeles County or the State of California.

LA County answers

10 common Los Angeles County Assessor questions

1. What is the official Los Angeles County Assessor property search?

Use the official Los Angeles County Assessor Portal. Basic Search accepts an AIN or address, while Legal Search and Map Search provide additional parcel-research routes.

2. Can I search LA County property by owner name online?

The public Assessor website does not provide an online owner-name search. Contact an Assessor district office about permitted ownership-record access or use the Registrar-Recorder’s document-request process for recorded deeds.

3. What is an AIN or APN in Los Angeles County?

AIN means Assessor Identification Number and APN means Assessor Parcel Number. They normally refer to the same ten-digit parcel identifier, displayed as a four-digit map book, three-digit page and three-digit parcel number.

4. Why is assessed value lower than the current market value?

Proposition 13 generally establishes a base-year value after a qualifying ownership change or new construction and limits ordinary annual inflation adjustments to no more than 2 percent. The assessed value can therefore be much lower than a current sale estimate.

5. How do I request a 2026 decline-in-value review?

Use the official Assessor decline-in-value system. Los Angeles County states that 2026 applications must be filed between July 2 and November 30, 2026. Online filing requires the AIN and PIN printed on the annual bill.

6. How much is an LA County assessment appeal?

The Assessment Appeals Board currently lists a $46 non-refundable filing fee. A fee-waiver request may be submitted with the application when payment would cause undue financial hardship.

7. Where do I pay Los Angeles County secured property taxes?

Use the Treasurer and Tax Collector’s official payment system. Online eCheck currently has no county payment fee, while credit and debit cards carry a 2.22% service fee with a $1.49 minimum.

8. Why did I receive a supplemental tax bill after buying a home?

A qualifying ownership change can create a new assessed value. The supplemental bill taxes the prorated difference between the new and previous assessed values and is separate from the annual secured bill.

9. Can I search Los Angeles County deeds online?

The Registrar-Recorder does not provide an open online real-estate index. You can request copies online, by mail, fax or in person, or schedule an appointment to view records at the Norwalk headquarters.

10. Does an appeal stop the property-tax payment deadline?

No. Continue paying according to the tax bill while a decline-in-value review or appeal is pending. If the assessment is reduced, an adjusted bill or refund may be issued later.

Accuracy, privacy and official-use notice

AppraisalDistrict.org is an independent educational resource. It is not the Los Angeles County Assessor, Treasurer and Tax Collector, Auditor-Controller, Assessment Appeals Board, Registrar-Recorder/County Clerk or California State Board of Equalization.

Assessed values, roll labels, parcel details, exemptions, appeal fees, deadlines, payment fees, balances, office procedures and document-request rules can change. Verify the live official record before filing, paying, travelling, ordering documents or making a legal, financial or real-estate decision.

Assessor parcel maps, situs addresses, use codes and legal descriptions are assessment research aids. They should not replace a deed, title report, recorded map, professional survey, zoning verification, permit review or legal advice.

Avoid publishing or entering private financial, bank, PIN, owner or account information on unofficial websites. Open county payment and filing systems directly from official Los Angeles County domains.

Official-source review completed July 28, 2026. Sources reviewed include the Los Angeles County Assessor Portal, Office of the Assessor, Treasurer and Tax Collector, Property Tax Portal, Assessment Appeals Board, Auditor-Controller, Registrar-Recorder/County Clerk and California State Board of Equalization.

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