The 2027 deadline to protest your Texas property value is Monday, May 17, 2027 — or 30 days after your appraisal notice is delivered, whichever is later. The usual date is May 15, but in 2027 May 15 falls on a Saturday, and Texas moves deadlines that land on a weekend to the next business day.
Miss it and, in most cases, you’re locked into that year’s value. Here is every date that matters for the 2027 season.
The 2027 Texas property tax calendar
| Date | What happens |
|---|---|
| January 1, 2027 | Your home is valued as of this date |
| April 2027 | Appraisal districts mail notices of appraised value (homesteads from about April 1) |
| May 17, 2027 | Protest deadline (or 30 days after your notice is delivered, if later) |
| May – July | Informal reviews, then Appraisal Review Board (ARB) hearings |
| July 25, 2027 | Appraisal rolls certified |
| 60 days after your ARB order | Last day to request binding arbitration or appeal to district court |
| October 2027 | Tax bills mailed |
| End of January 2028 | Taxes due; unpaid taxes become delinquent February 1 |
When “30 days after your notice” applies
If your notice arrives late — for example, mailed in late April and delivered in May — your deadline is 30 days after delivery instead of May 17. Keep the envelope or note the date it arrived. If you never received a notice, you can still protest; check your appraisal district’s website for your value.
Deadlines by county
Every Texas county uses the same statewide deadline. What differs is when notices go out and how you file:
- Dallas County — DCAD, notices in April
- Harris County — HCAD, notices March–April; online filing through iFile
- Tarrant County — TAD, a 2027 reappraisal year for homes
- Travis County — TCAD, notices starting late March
- Collin County — Collin CAD, notices in mid-April
After the hearing: arbitration deadlines and deposits
If you disagree with the Appraisal Review Board’s decision, you have 60 days from receiving the order to request binding arbitration through the Texas Comptroller or to appeal to district court. Arbitration is open to any homestead and to other property valued at $5 million or less. It requires a refundable deposit:
| Property | Value | Deposit |
|---|---|---|
| Homestead | $500,000 or less | $450 |
| Homestead | Over $500,000 | $500 |
| Other property | $1 million or less | $500 |
Two changes to know for 2027
- Bigger homestead exemption. Texas voters raised the school-tax homestead exemption to $140,000 in November 2025 ($200,000 for homeowners 65+ or disabled). Make sure your exemption is on file — it’s free to apply.
- The 20% cap on non-homestead property may end. The temporary 20% limit on yearly value increases for rentals and other non-homestead property up to about $5.3 million covers tax years 2024–2026. Unless the Legislature extends it, those properties lose that protection in 2027, which makes protesting more important for landlords.
Can protesting raise my value?
No. The Appraisal Review Board can’t set your value higher than what the appraisal district has on record. The worst outcome of a value protest is that your value stays the same.
Sources: Texas Tax Code §41.44, Texas Comptroller — property tax protests, Comptroller deadline calendar, Comptroller — exemptions, Comptroller newsletter, January 2026.