Luxury Home Property Tax Protest & Appeal Guide

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Key Property Tax Stats

Last updated: October 9, 2026

If you own a high-value home in Texas, you can protest the appraisal district's value to the ARB every year. The protest is about value, not the tax rate. This page explains how luxury homes are valued, how the homestead exemption and 10% limit work, what evidence helps and how the Texas process works. TaxDrop does not guarantee a result, and not every home is over-assessed.

The homestead rules, with current figures

School district exemption: $140,000. Tax Code §11.13(b) requires school districts to exempt $140,000 of a residence homestead's appraised value (Texas Comptroller). For owners age 65 or older or disabled, §11.13(c) adds $60,000 for school districts. If you have seen a smaller figure elsewhere, check its date: the Comptroller currently lists $140,000.
Local option exemption: any taxing unit may adopt an exemption of up to 20% of appraised value, with a $5,000 minimum (Texas Comptroller).
10% limit: the appraised value of a qualifying homestead can rise by no more than 10% per year plus new improvements (Tax Code §23.23; Texas Comptroller).
Certified appraisal rule: the shift in burden of proof for a certified appraisal applies only to property the district values at $1 million or less (Tax Code §41.43), so most luxury homes will not use it.

How districts value a home

Texas appraisers must use market value as of January 1. For single-family homes with enough sales data, the sales comparison approach is typically preferred (Texas Comptroller). You can also protest an unequal appraisal, which compares your appraised value with comparable properties adjusted for differences (Tax Code §41.43). See our glossary on comparable sales.

A hypothetical example (made-up numbers, for illustration only)

These round numbers are invented to show the math. They are not data from any real home, county or TaxDrop client.

Market value on the notice: $2,500,000. After adjustments, comparable sales support about $2,350,000.
The $150,000 difference at a 1.8% combined rate (a placeholder, since rates vary by location) is about $2,700 a year before the effect of exemptions.

Biggest Pain Points

Few true comparable sales

The district must use comparable sales adjusted to your home. Sales generally have to be within 24 months of the valuation date, but older sales can be used if too few comparable properties sold in that period to form a representative sample, and residential sales in a county of more than 150,000 people can be up to 36 months old (Tax Code §23.013). For unusual or custom homes, check how comparable the district's sales really are and how adjustments were made.

Features valued by adjustment

Pools, theaters, outdoor kitchens and custom finishes are usually handled by adjustments or cost-based additions. Ask how the district valued each feature and whether the adjustments are supported by sales. The cost method must account for physical, functional and economic obsolescence (Tax Code §23.011).

The homestead rules look generous but are small against a large value

School districts must exempt $140,000 of a residence homestead's appraised value, with $60,000 more for owners 65 or older or disabled (Texas Comptroller). On a high-value home that is a small share, and the 10% yearly limit on appraised value is measured against the lesser of market value or the capped amount (Texas Comptroller). The market value on your notice still matters.

How it Works

Evidence checklist for a luxury home protest

Evidence works best when it ties to value (Texas Comptroller; Tax Code §41.461):

Notice of appraised value and property record card, to check square footage, quality grade, features, lot and age.
Comparable sales of similar high-value homes, with a written explanation of each adjustment, including older sales when too few recent comparable sales exist.
An appraisal by a certified appraiser, which is often useful for unique homes even when the burden-shifting rule does not apply.
Feature and condition proof: permits, contractor invoices and dated photos for pools, additions and needed repairs.
Location factors: easements, flood or noise issues, and neighboring uses, with documentation.
The district's own evidence, requested ahead of the hearing.

The Texas protest process and deadline

Deadline: file a written notice of protest with the appraisal review board (ARB) by May 15 or the 30th day after the appraisal notice was delivered, whichever is later (Tax Code §41.44). The Comptroller says the 30 days run from the date the district mails the notice (Texas Comptroller), so to be safe use the earlier date and check the dates on your own notice. A late protest can still be heard if you show good cause before the ARB approves the appraisal records.
Filing: use Form 50-132, or any written notice that identifies you, the property and your disagreement. A district cannot charge a fee for a protest (Tax Code §41.41). An agent needs Form 50-162.
Informal conference: you can ask the district for an informal conference before the hearing (Tax Code §41.445).
Before the hearing: the ARB must give you at least 15 days' written notice (Tax Code §41.46). You can ask the chief appraiser for the data, schedules and formulas it will use, which it must deliver at least 14 days before the hearing (Tax Code §41.461). Material you requested but did not receive in time generally cannot be used against you (Tax Code §41.67).
Hearing: on a market value or unequal appraisal protest, the district has the burden of establishing value by a preponderance of the evidence (Tax Code §41.43). Bring your own evidence anyway. Hearings are informal, and you may offer an affidavit, or appear by phone or videoconference (Tax Code §41.45).
Appeal options: regular binding arbitration is available for any residence homestead, regardless of value (Texas Comptroller).
After the ARB: you can appeal to district court within 60 days of receiving the written order. Depending on the property, State Office of Administrative Hearings (SOAH) appeals or regular binding arbitration may also be available (Texas Comptroller).

Our deadlines-by-state guide and Texas protest overview have more. For other states, see California, Georgia, Florida, New Jersey and Maryland.

Hand holding Texas property tax bill showing reduced amount from $2000 to $1100 with checkmark.

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Luxury Home Property Tax Protest: How to Appeal a High-Value Appraisal