Texas property tax protest deadline is May 15, 2026 or 30 days from your notice date. Complete county-by-county deadline guide, what happens if you miss it, and how to file fast.
Texas Tax Code § 41.44 establishes the protest deadline as May 15 of the tax year, or 30 days after the appraisal district mailed your Notice of Appraised Value — whichever is later. For most Texas homeowners, the deadline is May 15, 2026. However, if your county appraisal district mailed your notice after April 15, your personal deadline is extended. The date that matters is the mailing date printed on your Notice of Appraised Value — not the date you received it.
Your notice has a mailing date printed on it. If that date is on or before April 15, 2026, your deadline is May 15, 2026. If that date is after April 15, add 30 days to the mailing date — that is your deadline.
All major Texas appraisal districts follow the same statutory framework — May 15 or 30 days from notice date, whichever is later.
If you miss your protest deadline, you generally cannot challenge your 2026 assessment. There are very narrow exceptions for clerical errors or mailing address issues, but these are difficult to invoke. The practical answer is: you pay the inflated bill for 2026 and file a protest in 2027. This is why filing early matters.
If your deadline is approaching, here is the fastest path: Enter your address at TaxAppeal, complete the 4-minute process, and pay $89. We pull your property data, analyze comparable sales, draft your protest letter, and file via USPS certified mail the same day. You receive your tracking number and a complete copy of your letter by email.
$89 flat fee. You sign it, we file it. You keep 100% of your savings.
TaxAppeal USA is a self-service document-preparation and mail filing service. In every state we serve, including Florida, we are not property tax consultants, agents, or representatives, we do not provide tax or legal advice, and we do not represent customers before any appraisal district, board of equalization, value adjustment board, or review board. Every protest and petition is prepared for the property owner, signed by the owner, and filed in the owner’s name. In Florida we also pay your county’s Value Adjustment Board filing fee on your behalf and mail your petition to the Clerk of the Value Adjustment Board. Your petition is signed by you as the property owner under section 194.011(3), Florida Statutes. TaxAppeal USA does not sign as your representative, does not appear before the Board, and does not present evidence or argument at a hearing.