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Harris County Property Tax Appeal Guide

If your Harris County, TX property is over-assessed, you can appeal to lower your tax bill. Here are the deadlines, filing steps, and how often appeals succeed.

Appeal deadline
May 15 (or 30 days after notice)
Appeal success rate
60%
Effective tax rate
2.09%
How to file
ARB protest (Form 50-132)
Pre-fillable appeal form
Available via TaxCheck

How to appeal your assessment in Harris County

Compare your assessed value to recent comparable sales. If your home is assessed above market value, gather 3–6 comparable sales and file your appeal with Harris County before the deadline. A well-documented appeal with strong comps has the best chance of a reduction.

Check if you are over-assessed

Upload your assessment notice for an instant comparable-sales analysis, an over-assessment estimate, and a pre-filled appeal.

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For informational purposes only. Not legal, tax, or medical advice.

Harris County Property Tax Appeal Guide — Deadlines, Steps & Success Rate