If you own a home, ranch, or business property in the Rio Grande Valley area of Starr County, Texas, the Starr County Appraisal District (called Starr CAD) is the local office that sets the fair market value for your property.
This value helps figure out your property taxes for Starr County, Rio Grande City ISD, and the other local taxing units in this South Texas area.
This easy guide walks you through everything in plain language – how to look up your property, file a protest if the value seems high, apply for exemptions that can save you money, and pay your taxes.
I pulled all the info straight from the official website so you get the real steps that work in 2026.
Official Website: https://starrcad.org/
Physical & Mailing Address: 100 N. FM 3167 Ste. 300, Rio Grande City, TX 78582
Phone: (956) 487-5613
Fax: (956) 487-8555
Email: starrcad@starrcad.org
Chief Appraiser: Sonia R. Garza
Lobby Hours: Monday–Friday, 8:00 AM – Noon and 1:00 PM – 5:00 PM (closed for lunch; call ahead)
Starr CAD Property Search: How to Look Up Your Property Online

Lots of folks search “starr cad property search” – here’s the easy way to do it.
Simple Steps to Find Your Property Info
- Go to https://starrcad.org/
- Click PROPERTY SEARCH on the homepage.
- Type in your name (LASTNAME FIRSTNAME), address, or property ID.
- Hit Search.
- You’ll see the current value, last year’s value, any exemptions, and other details.
- Print it or save it as a PDF.
You can also click the interactive map to see the property visually.
Starr CAD Contact Number and Office Details
Got a question? Just call (956) 487-5613 during business hours. The folks there are friendly and can help with your specific property. You can also email them or drop a letter in the mail.
How to Protest Starr CAD Appraisal Value in 2026
Many people search “how to protest starr cad.” If the value looks too high, you can fight it.
Deadline for 2026: May 15, 2026, or 30 days after you get your Notice of Appraised Value – whichever gives you more time.
Easy Online Protest Steps
- Get your Notice of Appraised Value in the mail.
- Go to the website and click Online Protest.
- Pick your property and tell them why you disagree.
- Upload proof (like recent sales of similar homes or photos).
- Submit it and keep the confirmation.
You might get an informal talk first, then a formal hearing if needed.
Paper Protest Steps
- Download the protest form from the Forms page.
- Fill it out and add your evidence.
- Mail it or drop it off before the deadline.
Applying for Starr CAD Homestead Exemption Step by Step
Searching “starr cad homestead exemption”? This one lowers your taxes if it’s your main home.
Simple Steps to Apply
- Download Form 50-114 from the Forms section on the website.
- Fill it out.
- Attach a copy of your driver’s license that shows the Starr County address.
- Mail it or take it to the office.
Once they approve it, you don’t have to do it again every year.
Extra Help for Seniors and Disabled Owners
If you’re 65 or older or have a disability, you can get even more savings. Just add the right paperwork when you apply.
Starr CAD Agricultural and Wildlife Exemption for Qualifying Land
Search “starr cad agricultural exemption” if you have farmland or wildlife land.
How to Apply
- Get the right form (50-129 for ag land) from the Forms page.
- Show proof that the land is being used properly (photos, leases, etc.).
- Mail or drop it off at the office.
This can cut your taxes a lot on farm or wildlife property.
Business Personal Property Rendition at Starr CAD
Business owners look up “starr cad rendition” every year.
How to File It
- Download Form 50-144.
- List your business items with their cost and year bought.
- Send it in by April 15 (late ones may get penalties).
- Mail or take it to the office.
Paying Your Starr CAD Property Taxes – Due Dates and Options
Tax bills usually come out in October. They’re late after February 1.
Easy Ways to Pay
- Pay online through the county tax payment link (check the CAD site)
- Mail a check to the tax office
- Pay in person at the county tax office
- Call the tax assessor-collector for help
Pay early to avoid extra fees.
Getting Starr CAD Records and Appraisal Reports
Need old records or reports? Just call the office at (956) 487-5613 or check the website. They can send you the public info you need.
Common Questions About Starr CAD
When do tax statements come out? Usually in October.
Do I have to reapply for homestead every year? No, once it’s approved it stays.
Can I get homestead on a rental house? No, only your main home.
What if I move and change my address? Let the office know right away by phone or mail.
Where do I find tax sale info? Ask the county tax assessor-collector.
This guide is written in plain English using the latest info from the official Starr CAD website as of February 2026. Bookmark it so you can come back anytime.
If you have questions about your property, just pick up the phone and call (956) 487-5613 – they’re there to help.

Founded by Mahesh Kumar, AppraisalDistrict.org is built on the belief that public information should be accessible and accurate. We have replaced AI-generated ‘fluff’ and automated scraping with 100% manual human verification. With over 15 years of experience in real estate and digital journalism, we help you find the right data without the frustration of broken links.