Conflicting 2026 School Homestead Exemption Numbers Mean You May Not Know What Value Is Actually Being Taxed

Two widely used Texas property-tax resources published in 2026 are telling homeowners different things about one of the most consequential numbers in their tax bill — the school-district residence-homestead exemption — and the gap is not trivial.

A 2026 Texas property-tax guide published by PropertyTaxRates.org on April 21, 2026, states that the base school-district homestead exemption for the 2026 tax year is $100,000, with an additional $60,000 exemption available to homeowners who are over 65 or disabled, for a combined exempt school-tax value of $160,000. The guide attributes the base figure to SB 2 (2023) reforms.

A separate 2026 Texas homestead-exemption calculator and explainer published by CountryTaxCalc — originally dated June 1, 2026, and last updated July 3, 2026 — presents different figures: a $140,000 base school-district homestead exemption for 2026, with only a $10,000 additional exemption for over-65 or disabled homeowners, for a combined total of $150,000. That guide attributes its numbers to 89th Legislature changes effective 2025 onward.

Both sources expressly address the 2026 tax year. They cannot both be right.

What the Discrepancy Actually Means for Your Bill

The homestead exemption reduces the portion of your home's appraised value that your school district can tax. It does not reduce the appraised value itself — that number is set separately by your county appraisal district — but it does determine how much of that appraised value is exposed to the ISD tax rate.

For a standard homeowner, the two sources differ by $40,000 on the base exemption alone ($140,000 versus $100,000). For a homeowner who qualifies as over 65 or disabled, the combined exemption under one interpretation is $160,000 and under the other is $150,000 — a $10,000 difference in taxable school value. Depending on a district's ISD rate, a $10,000 difference in taxable value can represent a meaningful real-dollar change in the annual bill.

County appraisal district websites, third-party tax estimators, and even some media explainers pull from guides like these. If those downstream sources have absorbed the wrong figure, homeowners checking their estimated liability may be working from a flawed baseline.

Why This Matters More for Seniors and Disabled Homeowners

The divergence is sharpest on the over-65 and disabled add-on. PropertyTaxRates.org reports a $60,000 additional exemption; CountryTaxCalc reports $10,000. That is a $50,000 difference in what the two guides say qualifying homeowners are entitled to shield from school taxation.

Texas Tax Code Section 11.13 establishes the residence-homestead exemption framework, and Section 11.13(n) authorizes the additional exemption for qualifying seniors and disabled persons. The statutory amounts — whatever the legislature has most recently set them at — govern regardless of what any third-party guide says. But most homeowners are not reading enrolled legislation. They are reading guides like these, and right now those guides disagree substantially.

Homeowners who qualify for the over-65 school-tax ceiling under Texas Tax Code Section 11.26 have additional protections, but those protections still operate on top of an underlying appraised value and exemption structure. If the exemption baseline is misunderstood, the ceiling calculation may also be misapplied.

The Part of This Equation You Can Actually Control

Exemption amounts are set by the legislature and applied by appraisal districts. You cannot negotiate them at the appraisal review board. What you can contest — every year, under Texas Tax Code Section 41.41 — is the appraised value your district has placed on your property.

A tax bill is a rate multiplied by a value. The legislature sets rates and exemptions; the appraisal district sets the value. Only one of those inputs is yours to contest, and it is the value — not the rate, not the exemption formula, but the raw appraised number sitting on your notice.

This distinction matters especially when exemption guidance is in flux. If you do not know with certainty what exemption amount will be applied, you have even more reason to ensure that the appraised value underneath that exemption is as accurate as possible. An inflated appraised value compounds any exemption shortfall: you pay more regardless of which exemption figure turns out to be correct.

Under Texas Tax Code Section 41.43(b)(3), a homeowner can protest on the grounds that the appraised value is unequal compared to similarly situated properties — what practitioners call the equal-and-uniform standard. That avenue is available independent of any exemption dispute. You can read more about how that standard works in our guide to unequal appraisal in Texas.

What to Do While the Guidance Conflict Persists

First, do not rely on a single third-party calculator to determine your exempt value. The conflict documented here — between two sources both dated to 2026 — illustrates why. Verify figures against your county appraisal district's website and, where possible, against the Texas Comptroller's published guidance.

Second, pull your most recent Notice of Appraised Value, issued under Texas Tax Code Section 25.19. The notice shows the appraised value your district has placed on your property before any exemptions. That is the number worth scrutinizing independently of whatever exemption amount ultimately applies.

Third, if you believe your appraised value is higher than it should be relative to comparable properties, the protest deadline for the 2026 tax year may have passed — but Texas Tax Code Section 25.25(c) and (d) preserve limited post-deadline correction rights in specific circumstances. A future protest for the 2027 tax year can begin as early as the next notice cycle.

Our full insights archive tracks how legislative and administrative developments translate into actionable steps at the appraisal district level. The exemption confusion playing out in these guides is real — but the appraisal value printed on your notice is the number you have the clearest legal right to challenge, and that right does not depend on resolving any legislative ambiguity.

The Practical Takeaway

If you are a standard Texas homeowner, online guides currently show either $100,000 or $140,000 as your 2026 school-district homestead exemption. If you are over 65 or disabled, those same guides show a combined school exemption of either $160,000 or $150,000. The difference changes your taxable value and your bill.

Neither figure helps you if the appraised value sitting underneath the exemption is inflated. Verify what your appraisal district has placed on your property, compare it to recent sales of similar homes, and consider whether the equal-and-uniform standard gives you grounds to protest. That is the part of the equation the legislature has put directly in your hands.