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Dallas County, TX property tax appeal results & deadline

Protest deadline

May 15, or 30 days after the appraisal district mails your notice of appraised value, whichever is later

That rule applies in Dallas County and every Texas county. Check the date on your notice today. If you got it recently, your clock is already running.

Source (primary): Texas Comptroller: Property Tax Protests and Appeals. Checked Oct 27, 2026.

Late protests: the ARB can grant a late hearing only for good cause. Your appraisal district sets the exact mailing date on your notice.

Deadlines can change. Always confirm your deadline with your county appraisal district or assessor before filing.

Appeal results

Measure (tax year 2025)Result
Residential value cut after ARB hearings1.1%
Commercial value rise before appeals+15.1%
Apartments: rise vs. appeal cut+16.1% raised, 10.8% cut
Source (secondary): O'Connor: Major Texas Metro Areas Landed Huge Savings with Informal and Formal Appeals (2025 appraisal district data). Checked Oct 27, 2026.

These are total value reductions won through protests, not the share of protests that won. Per-protest win rate: Not published in the sources we checked.

From the appraisal district (primary)

MeasureValueYearSource
Protests received230,2762025primary source, checked 2026-10-27
ARB hearings held146,8152025primary source, checked 2026-10-27
ARB hearings with panel value (outcome direction not reported)133,6112025primary source, checked 2026-10-27
ARB hearings with dismissal13,2042025primary source, checked 2026-10-27
Per-protest win rateNot published2025primary source, checked 2026-10-27

Source check date: Oct 27, 2026. Past results don't guarantee future outcomes.

Don't miss the window in Dallas County

Get a free email the moment we confirm the appeal window is open. Missing the deadline usually means waiting until next year; late protests are allowed only in limited cases.

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Information only, not legal or tax advice. Past results don't guarantee future outcomes.