Map Counties Appeals Playbook Data About

Texas Property Tax Appeals

What the colors mean

Scope: this site evaluates parcels under the §41.43(b)(3) tax-appeal test only — not market value, sale price, or mortgage appraisal.

Each color shows how your appraised value compares with the median of 5 similar homes (same neighborhood, same grade, within ±15% square footage and ±10 years of age). The median is figured two co-equal ways — size-adjusted (each comp adjusted to your home's size — the “appropriately adjusted” equity figure) and raw dollars (the comps' median appraised value, the basis the county's online-settlement process tends to offer on). The color is the stronger of the two: you have a case if either measure shows you over.

Strong case — more than 7% over the median on at least one measure. Under Tex. Tax Code §41.43(b)(3), the ARB is required to lower your appraisal to that median if your comps hold up.
Marginal case — 2–7% over the median on at least one measure. A reduction is possible, but the ARB panel may push back on individual comp choices.
Weak case — neither measure shows a meaningful over-assessment (within 5% under to 2% over). Filing is unlikely to change the value either direction.
No case — more than 5% under the median on both measures. Filing under §41.43(b)(3) won't reduce your value (the median tests compare to your noticed value; you're already below both), and the ARB cannot raise it above what the appraisal district has noticed (Tex. Tax Code §41.47(c-2), per SB 2 of the 86th Legislature, 2019). If you have other grounds (cap, condition, damage), those still apply.
Review by hand — either fewer than 5 neighbors matched the filters (usually an unusually old, new, large, or atypically-graded home), or it's a rural residence (E-class) outside the standard comparable-home set. No automatic case — review comps by hand if it matters to you.
For each parcel, the tool searches the appraisal district for homes that match four filters — same neighborhood code, same grade, living area within ±15%, year built within ±10. The 5 geographically closest matches become your comps. “No comps” means fewer than 5 properties cleared all four filters.

Indicator, not a guarantee. See the Playbook for how to use this site, file your protest, and track it. No legal advice.

Educational tool — not legal advice. See Disclaimer & Terms of Use.

What the years mean

Latest shows every county's newest values.

Certified = a year's final values, set after protest season.

Preliminary = the district's opening values for a year, before protests brought some down.

The small count is how many counties have that data. Counties without it appear dimmed until you switch back.

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