Appraisal district errors

Mass appraisal relies on county records that are wrong more often than homeowners realize. Overstated square footage, an unfinished basement coded as living area, a removed pool still on file, or a stale condition class can each move your assessment by 5-15%. Correcting these is often a one-email fix and stacks with a comp-based appeal.

The high-impact fields

Living area (sqft): off by 50-200 sqft is common. At $200/sqft that is $10,000-$40,000.
Condition class: "Good" instead of "Average" can add 8-12% to the assessment.
Pool / deck / outbuilding: removed features still on the card add 2-5%.
Bedroom / bath count: a fictional extra bath adds 3-6%.
Lot size: off by 0.1 acre moves value by 2-4%.
Year built: wrong by 10+ years materially changes depreciation.

How to fix them

Download your property record card from the district website.
Compare every line to your closing docs, builder plans, or own measurements.
List the errors with the supporting document for each.
Submit a written correction request — many districts have a one-page form.
Include the corrections in your appeal packet as a separate page.

Common questions

Where do I find what the district recorded about my home?

Pull your property record card from the appraisal district website. It lists living area, lot size, year built, bedrooms, baths, garage, pool, and condition class. Errors here are the easiest single-shot reductions on the entire appeal track.

How do I prove the district's square footage is wrong?

Submit your original closing documents, builder plans, or a current measured floor plan. A licensed appraiser's measurement carries the most weight, but a clear sketch with exterior dimensions usually suffices for a clerical correction.

Will fixing an error trigger a re-inspection?

Sometimes. Districts may send a field appraiser to re-measure. This rarely changes the outcome if your documentation is solid. Refusing access is your right but typically results in the district keeping its original number.

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