How to Protest or Appeal Your Property Tax — A Free, Step-by-Step Guide

By Andrea · Last updated: August 2026

If your property tax bill feels too high, you may be right — and you have the right to challenge it. In Texas, the process is called a protest; in most other states, it's an appeal. For a broader look at all the ways to reduce what you owe, see How To Lower Your Property Taxes.

This guide covers the complete process: what grounds you can argue, how to gather evidence, what happens at the hearing, and what to do after.

Is Your Assessment Actually Too High?

Start by pulling your property record card from your county assessor's website and checking the basics — square footage, bedroom count, lot size, year built. Errors like a finished basement recorded as unfinished or an extra bathroom that doesn't exist are common and can inflate your assessed value. For a full walkthrough of how to find and fix these errors, see How To Lower Your Property Taxes.

Comparable home sales (comps) in your neighborhood are the core of a market value argument — if similar homes sold for less than your assessed value, that gap supports a reduction. Some counties also allow a uniformity argument if neighbors are assessed lower than you. More detail on both strategies is in the How To Lower Your Property Taxes guide.

Know Your Deadline — This Is the Most Time-Sensitive Step

Appeal and protest windows are short — typically 30 to 90 days from when your assessment notice arrives — and missing the deadline almost always means waiting a full year. Always confirm the exact date with your county assessor or appraisal district. See How To Lower Your Property Taxes for more on timing and other strategies.

How to File Your Protest or Appeal

Filing officially starts your challenge — most jurisdictions accept a written form, an online submission, or a letter requesting review. The form typically asks for your parcel number, your stated opinion of value, and the grounds for your challenge. For a deeper look at the filing process and what to expect, visit How To Lower Your Property Taxes.

Keep a copy of everything you submit and note the date. If you file by mail, send it certified so you have proof of delivery.

Building Your Evidence Packet

The strength of your case comes down to documentation. A solid evidence packet for a market value argument typically includes:

For a uniformity argument, compare your assessed value per square foot against those of comparable nearby properties using public assessor data. If your figure is consistently higher than your neighbors', that discrepancy is your case. The How To Lower Your Property Taxes guide covers how to build this comparison.

What Happens at the Hearing

Informal review comes first in many counties — an assessor's staff member reviews your evidence before any formal hearing. Many cases settle here. If you reach agreement, get it in writing.

If no informal agreement is reached, you go before the board — the ARB in Texas, a Board of Review or Equalization elsewhere. You present your evidence, the assessor presents theirs, and the board decides. Hearings are usually brief, often under 15 minutes. Stick to the numbers: your comps, the assessed value, the gap. Boards respond to data, not frustration about your tax rate — the rate is set by local government, not the assessor, and arguing it is off-topic.

You do not need a lawyer or a paid protest company to present your case. Most homeowners who prepare solid comp data and property record comparisons handle their own hearings without issue.

A Simple Savings Estimate

Say your home is assessed at $320,000, your evidence supports a value of $280,000, and your combined local tax rate (the mill rate) is 1.4%. A $40,000 reduction in assessed value would cut your annual bill by roughly $560. If that reduction holds year after year — and a successful appeal typically resets your base going forward — the cumulative savings add up quickly.

Estimate only — your actual assessed value, reduction, and tax savings may be higher or lower and are not guaranteed. Results depend on your evidence, your comparables, and your local board's standards. For more context on realistic outcomes, see How To Lower Your Property Taxes.

After the Hearing: Next Steps

If the board rules in your favor, confirm that the corrected value appears on your account before the next billing cycle. If you disagree with the board's decision, most jurisdictions allow a further appeal to a state-level board or court — timelines for that next step are short, so act quickly if you plan to pursue it.

If your appeal is denied, exemptions you haven't yet claimed may still reduce your bill. The How To Lower Your Property Taxes guide covers exemptions, error corrections, and other strategies that work alongside or instead of a formal appeal.

Texas Property Tax Protest: What's Different

Texas uses distinct terminology: you protest — not appeal — to your county appraisal district, and the hearing is before the Appraisal Review Board/ARB, typically with a late-May deadline. Texas allows both market value and unequal appraisal arguments. The How To Lower Your Property Taxes guide covers the Texas-specific details alongside general strategies.

Common Mistakes That Sink an Appeal

Ready to Start?

Pull your property record card today. If the facts don't match your home, or your assessed value exceeds what comparable homes have sold for, you have a case worth making. The process is free, the downside is limited, and a successful protest or appeal lowers your base for every year that follows.