Kendall County Commercial Property Tax Protest

Kendall County is one of the fastest-growing counties in Texas, and that growth shows up directly on commercial appraisal notices. Between the pull of the San Antonio metro to the southeast and the Hill Country tourism economy anchored in Boerne, commercial land and building values here have climbed sharply over the past decade. When values rise that fast, mass-appraisal models tend to overshoot on individual properties — and that overshoot lands on your tax bill. This guide walks through what the numbers look like in Kendall County, how the Kendall Appraisal District (KAD) sets commercial values, and the practical steps you can take to prepare and file your own protest before the deadline.

Kendall County by the Numbers: Growth, Value, and Assessment Pressure

Kendall County has grown from a rural Hill Country county into one of the most affluent and rapidly expanding counties in the state. Its population has more than doubled since the early 2000s, pushing past 50,000 residents, with Boerne as the county seat and commercial hub and Comfort as a secondary center. That population curve matters for commercial owners because appraisal districts calibrate value models to observed market activity — and in a county where subdivisions, retail centers, and mixed-use projects keep breaking ground, the models are constantly being pushed upward.

Rapid appreciation creates a specific problem for commercial property owners. When a district sees a handful of strong sales in a growing submarket, it can apply that upward pressure broadly across a neighborhood or property class, even to buildings that have not been renovated, are older, or carry higher vacancy than the comparables driving the trend. The result is an assessment that reflects the top of the market rather than the condition and income of your specific property. In a slower county, an inflated notice might be a minor annoyance; in a high-growth, high-tax-rate county like Kendall, the same percentage error translates into real dollars every single year the value stays uncorrected.

The upside is that Texas gives you a clear, no-cost mechanism to push back. Filing a protest with Form 50-132 costs nothing, the deadline is predictable, and under Texas Tax Code §41.43 the appraisal district — not you — carries the burden of proving its value is correct at the hearing. Understanding the local data before you file is the difference between a vague objection and a protest the Appraisal Review Board (ARB) can act on.

Tax Rates in Kendall County

Kendall County sits in the suburban-to-exurban tax range, with combined commercial property tax rates typically landing somewhere between roughly 2.0% and 2.8% of assessed value depending on where the property is located and which overlapping jurisdictions apply. Your total rate is the sum of several line items: the Kendall County rate, your school district (Boerne ISD and Comfort ISD cover most of the county), the City of Boerne or another municipality if you are inside city limits, and any special districts such as emergency services, road, or municipal utility districts.

Because commercial property does not benefit from the residence homestead cap that limits annual increases on owner-occupied homes, a commercial assessment can move up as fast as the district’s models say the market moved. That is exactly why the assessed value — the number you can actually protest — deserves close attention. Consider a hypothetical: a Boerne retail building assessed at $2,000,000 at a combined rate of 2.5% carries a $50,000 annual tax bill. If that assessment is 12% too high because the district leaned on premium comparables, roughly $6,000 of that yearly bill is tied to value the market does not support. That figure is purely illustrative — actual rates and values vary by parcel and year — but it shows why the assessment number is the lever worth pulling, and why an unchallenged overassessment compounds year after year.

Where Commercial Value Concentrates Along the I-10 Corridor

Kendall County’s commercial base is shaped by geography. Interstate 10 runs through the heart of the county, connecting Boerne to San Antonio and the western Hill Country, and much of the county’s retail, hospitality, and light-industrial value clusters along that corridor and the state highways that feed it. Understanding where your property sits in this pattern helps you judge whether the comparables the district used actually reflect your submarket.

The dominant commercial property types in Kendall County include neighborhood and highway-frontage retail, restaurants, professional and medical office space serving Boerne’s growing population, hospitality and tourism-related properties tied to the Hill Country visitor economy, event and wedding venues, wineries and tasting rooms, self-storage, and light industrial and flex space near the I-10 interchanges. Boerne’s historic Hauptstrasse district adds a layer of small-footprint retail and restaurant space where value is driven as much by foot traffic and character as by square footage.

This mix creates real valuation complexity. A wedding venue on rural acreage, a highway convenience store, and a downtown boutique are three completely different economic animals, yet a mass-appraisal model can lump them into broad categories. When the district applies a corridor-wide value trend to a property whose income or use does not match that trend, the assessment drifts away from reality — and that gap is the foundation of a well-supported protest.

How Kendall Appraisal District Arrives at Your Commercial Value

The Kendall Appraisal District is responsible for valuing every taxable property in the county as of January 1 each year, and like every Texas CAD it relies on mass appraisal to handle thousands of parcels. For commercial property, KAD generally works from three recognized approaches to value. The sales comparison approach looks at recent sales of similar properties and adjusts for differences in size, age, location, and condition. The cost approach estimates what it would cost to rebuild the improvements today, subtracts depreciation, and adds land value. The income approach — most relevant for leased commercial property — estimates value based on the net operating income a property produces and a capitalization rate drawn from the market.

The weakness of mass appraisal is not the methods themselves but the scale at which they are applied. To value an entire county on an annual cycle, the district groups properties into classes and neighborhoods and applies models across the whole group. Those models often cannot capture deferred maintenance, functional obsolescence, unusual site constraints, above-market vacancy, below-market lease terms, or the simple fact that your property is older or less updated than the comparables driving the trend. When you protest, you are not accusing anyone of bad faith — you are supplying the property-specific facts the model could not see.

Under Texas Tax Code §41.461, you have the right to request and receive, before your hearing, the evidence and data the district intends to use to support its value. Requesting that packet is one of the most valuable moves you can make, because it tells you exactly which comparables and adjustments KAD relied on — and where those choices are vulnerable.

Which Kendall County Properties Draw the Highest Overassessments

Certain property types in a high-growth Hill Country county are especially prone to overassessment. Older retail and office buildings are frequently valued against newer construction nearby, ignoring the age, layout, and systems that make an older building genuinely worth less. Tourism- and hospitality-dependent properties — venues, tasting rooms, short-term-rental-adjacent commercial space — can be valued on peak-season assumptions that overstate stabilized income. Special-purpose properties such as event venues, wineries, and restaurants often get compared to general commercial comps that do not reflect their narrower resale market.

Land is another common pressure point. As subdivisions and commercial projects push land prices up along the I-10 corridor and around Boerne, raw or lightly improved commercial tracts can be assessed at values that assume a development potential your parcel may not actually have, given zoning, utilities, access, or topography. Properties with high or persistent vacancy are also frequent overassessment candidates, because an income-approach value built on full-occupancy assumptions collapses once you document the real rent roll.

If your property falls into any of these categories, the odds that your notice reflects the top of the market rather than your specific reality are meaningfully higher — and that is exactly the situation the protest process exists to correct.

Filing Your Protest in Kendall County: Five Steps From Notice to ARB

You can prepare and file your own Kendall County protest without hiring anyone. Here is the practical sequence.

First, review your appraisal notice as soon as it arrives, usually in spring. Check the assessed value, the property classification, the square footage, and the land size for errors. Simple factual mistakes — wrong building area, a demolished structure still on the roll, an incorrect class — are common and can be corrected quickly.

Second, file Form 50-132, the Notice of Protest, with the Kendall Appraisal District by the deadline. For most commercial property the deadline is May 15, or 30 days after the district mailed your notice, whichever is later, under Texas Tax Code §41.44. Filing Form 50-132 costs nothing. On the form, mark that you are protesting both the market value and unequal appraisal — checking both preserves the widest set of arguments.

Third, request the district’s evidence under Texas Tax Code §41.461. Ask KAD for the comparables, adjustments, and data it will use so you can see the basis for your value before you ever sit down at a hearing.

Fourth, attend the informal review. Most Texas protests are resolved here, in a one-on-one conversation with a district appraiser before any formal hearing. Bring your evidence, present it plainly, and many valuation disagreements get settled at this stage without going further.

Fifth, if the informal review does not produce a fair result, present your case at the formal ARB hearing. The Appraisal Review Board is an independent panel that hears both sides. You present your evidence, the district presents its own, and under §41.43 the district bears the burden of proving its value. Keep your presentation organized and factual, and tie every claim back to a document.

For a deeper, statewide walkthrough of each stage, see our guide on how to protest commercial property tax in Texas.

Assembling Evidence the Appraisal Review Board Will Weigh

Evidence is what separates a protest that succeeds from one that stalls. The strongest package for a Kendall County commercial property usually combines several elements. Sales of genuinely comparable properties — similar in type, size, age, condition, and location — carry real weight, especially when they undercut the comparables the district used. For income-producing property, a current rent roll, actual operating statements, and documented vacancy let you build an income-approach value grounded in what the property truly earns rather than an idealized assumption.

Photographs and repair estimates that document deferred maintenance, functional problems, or physical deterioration help explain why your property is worth less than newer comparables. An independent fee appraisal, while an added cost, can be persuasive for higher-value properties. Evidence of unequal appraisal — showing that similar properties in your class are assessed at lower values per square foot — is a distinct and powerful argument under Texas law, separate from the market-value question.

The common thread is specificity. The ARB responds to concrete, property-level facts far better than to general complaints that taxes feel too high. Every document you bring should answer one question: why is the district’s number wrong for this particular property?

Kendall Against Its Neighbors: Comal, Bexar, Kerr, and Blanco

Kendall County does not exist in a vacuum, and comparing it to its neighbors sharpens your sense of whether an assessment is out of line. To the southeast lies Bexar County and the San Antonio metro, a far larger and more urban commercial market whose sales the district should not casually import into rural or small-town Kendall submarkets. To the east, Comal County shares much of Kendall’s Hill Country growth dynamic along the I-10 and I-35 corridors, making it a useful reference point for how fast-growing exurban counties value similar retail and hospitality property. To the west sits Kerr County and Kerrville, a slightly more established Hill Country market, while Blanco County to the northeast offers a more rural comparison where commercial value density is lower.

These distinctions matter in practice. If KAD valued your Boerne property using comparables that really belong to the denser San Antonio market, that is a defensible line of challenge. If your rural Kendall tract was valued as though it carried Comal-corridor development potential it does not have, that gap is worth documenting. You can review neighboring county guides to ground your comparisons — see our overviews for Comal County, Bexar County, and Blanco County to understand how commercial value behaves across the region.

Starting Your Kendall County Protest

The most expensive mistake a Kendall County commercial owner can make is doing nothing. In a county where values are climbing this fast, an unchallenged assessment does not just cost you once — it becomes the baseline the district builds on next year, compounding the error. Filing Form 50-132 costs nothing, the deadline is predictable, and the law puts the burden of proof on the district, not on you.

If you own commercial property in Boerne, Comfort, or anywhere across Kendall County, start by reading your notice closely, noting the May 15 deadline, and gathering the documents that describe what your property actually is and earns. If you have questions about the process or want help preparing and filing your own protest, email us at info@lowermycommercialtax.com and we will point you to the right guides and help you get your filing in order.

About the Author

Mike VanVickle is the founder of LowerMyCommercialTax.com, an independent resource for Texas commercial property tax education. He writes plain-English guides to the protest process under Texas Tax Code Chapter 41 and helps commercial property owners prepare and file their own protests in counties across the state.

Sources & References

• Texas Comptroller of Public Accounts — Property Tax System Basics
• Texas Property Tax Code, Title 1, Subtitle D — Tax Code §41.41
• Texas Property Tax Code — Tax Code §41.43, Protest of Determination of Value
• Kendall Appraisal District — county appraisal roll and protest information
• Texas Taxpayers and Research Association — Property Tax Reports

This guide was last reviewed and updated on August 10, 2026. Tax rates, deadlines, and procedures are subject to change. Consult your county appraisal district for the most current information.