Property tax protest in San Antonio: how to fight your appraisal and win

Last updated 2026-07-09

What is a property tax protest in San Antonio, and why does it matter?

A property tax protest is a formal challenge to the value the Bexar Appraisal District (BCAD) puts on your property each year. That number, the appraised value, is what your tax rate gets multiplied against. Bexar County's combined effective rate for most San Antonio homeowners runs somewhere between 2.0% and 2.7%, depending on the city, school district, and special districts stacked on your address ^[1].

Do the math on that. On a home BCAD values at $350,000, a single percentage point of rate difference is $3,500 a year.

Texas law gives every property owner the right to protest annually under Texas Tax Code Section 41.41 ^[2]. You don't need a lawyer, a licensed appraiser, or a third-party firm. The Appraisal Review Board (ARB) is an independent body, separate from BCAD, and it hears your case.

BCAD appraised roughly 700,000 parcels in 2024, and values have climbed hard since 2020. Homestead exemptions help (more on those below), but they cap only the taxable value increase, not the appraised value itself. If BCAD overshoots the market, a protest is your only way to correct it. That's the whole reason this article exists.

What are the Bexar County property tax protest deadlines for 2025?

The standard deadline is May 15, 2025, or 30 days from the date printed on your Notice of Appraised Value, whichever is later ^[2]. Miss it and you lose your shot for the entire year. No late filings. No grace periods. No hardship exceptions in the standard process.

BCAD mails notices on a rolling schedule starting in April. If yours arrives April 25, your deadline is May 25. If it arrives March 20, your deadline is still May 15, because 30 days would only carry you to April 19.

Trigger	Deadline
Notice mailed before April 15	May 15, 2025
Notice mailed April 16 or later	30 days from the notice date
No notice received (you found a change yourself)	May 15, 2025
New property (no prior notice)	May 15, or 30 days from date of ownership, confirm with BCAD

You can file online at bcad.org, by mail, or in person at 411 N Frio St., San Antonio, TX 78207 ^[1]. File online. It's the safest route because you get a timestamp and a confirmation email, so keep that email. If you mail your protest instead, send it certified with return receipt.

One thing trips people up. You don't have to wait for a notice to file. If you're sure your value jumped before the notice arrives, you can file as early as January 1. Most people skip that, but the option is there.

How often do San Antonio property tax protests actually succeed?

More often than most homeowners expect. Roughly 55% to 65% of Bexar County residential protests that reach a hearing end in some value reduction, based on recent cycles reported by the Texas Comptroller ^[3]. The exact percentage swings with the market.

In a fast-rising market (think 2021 through 2023), reductions came easily because appraised values chased sale prices upward. In a softening market, fewer protests win, because the appraised value may already trail what homes actually sold for. Preparation drives the outcome more than anything else.

Informal settlements, the ones that happen before the formal ARB hearing, account for a big share of the wins. BCAD appraisers can negotiate, and they do. Show up with three or four well-chosen comparable sales that prove your home is overvalued, and many cases settle in the hallway before you ever reach the hearing room.

The median residential reduction in Bexar County in recent years has landed somewhere in the $20,000 to $40,000 range of appraised value. Nobody publishes perfectly clean county-level medians on this, so treat that as a rough band; the Texas Comptroller's annual reports are the closest authoritative source ^[3]. At a 2.3% effective rate, a $30,000 cut saves about $690 a year, every year, until BCAD reassesses.

Showing up is the whole game. Owners who file but never attend almost never get a reduction. The ARB can rule for an absent owner only if that owner submitted written evidence in advance.

What grounds can you use to protest your Bexar County appraisal?

Texas Tax Code Section 41.41 lists several grounds ^[2]. Two of them do almost all the work for homeowners.

1. The appraised value is over market value. This is the standard argument. You claim BCAD's number is higher than what your property would sell for on the open market as of January 1 of the tax year.

2. The appraised value is unequal compared to similar properties. Texas law gives you a right to equal and uniform taxation. Even if BCAD's value sits close to market, you can win if nearby similar homes are appraised at a lower rate per square foot. This is the equity protest, and you can run it alongside the market-value argument.

The equity angle is underused. A 2019 analysis in the Journal of Property Tax Assessment and Administration found that equity protests in Texas counties often produced reductions independent of any market-value claim. File both, argue both.

Other valid grounds exist: the property isn't actually in Bexar County's jurisdiction, you weren't given proper notice, or BCAD applied the wrong exemption status. Edge cases, but real ones.

Here's what you cannot argue. You can't say taxes are too high in general, that the rate itself is unfair, or that you can't afford the bill. The ARB decides one thing only: whether BCAD's appraised value is correct. Budget complaints belong with the taxing entities that set the rates, not the ARB.

How do you find comparable sales (comps) for a San Antonio protest?

Comparable sales are the backbone of a market-value protest. You want recent sales of properties like yours, ideally within the last 12 months and within half a mile to a mile of your address. San Antonio neighborhoods vary enough that you sometimes have to widen the net.

Free sources worth using:

BCAD's online property search at bcad.org lets you search by neighborhood, square footage range, and year built ^[1]. Pull the sales history for each candidate and note the price and the date.

Bexar County Clerk deed records are public. Search the county clerk portal to confirm actual transaction prices.

Zillow, Redfin, and Realtor.com carry no weight with the ARB, but they're fine for spotting candidates. Once you find one, verify the price against the official record.

What makes a comp strong? Square footage within 15% to 20% of your home. Similar age. Similar lot size. Same construction type (brick versus frame matters in San Antonio). A sale date as close to January 1 of the tax year as you can find. Condition counts too. If your comp has a renovated kitchen and yours still runs 1980s appliances, note the gap and adjust the value downward.

Aim for at least three strong comps. Five is better. If all five land below BCAD's number, your case is solid. Lay them out on one spreadsheet: address, sale date, sale price, square footage, price per square foot. The panel reviews hundreds of cases a day. Make yours easy to read.

For the equity argument, pull comps from BCAD's own rolls rather than from sales data. Find similar homes BCAD appraised at a lower price per square foot. If your home sits at $175 a square foot and five nearby comparables sit at $145, that's your equity argument on a plate.

Want a structured way to gather and present all this? The TaxFightBack appeal kit walks through comp selection with worksheets built for Texas ARB hearings.

What is the step-by-step process to protest your property taxes in Bexar County?

Five stages. None of them need a professional.

Step 1: File your protest notice. Submit Form 50-132 (Notice of Protest) by the deadline ^[10]. File at bcad.org, mail it to 411 N Frio St., or drop it in person. Check box 1 (value over market) and box 2 (unequal appraisal) no matter which argument you plan to lean on. You can always drop a ground later. You can't add one after filing.

Step 2: Wait for your informal hearing notice. BCAD schedules an informal meeting first, usually with a single appraiser, before any formal hearing. Most cases settle right here. You'll get a notice with a date, time, and location, or a phone or video option.

Step 3: Attend the informal hearing. Bring your comps, photos of condition problems, repair estimates if you have them, and any recent appraisal you paid for. Stay calm and specific. Tell the appraiser the exact value you think is correct and why. Many will meet you partway if your evidence holds up.

Step 4: No deal at informal? Go to the ARB hearing. You present to a three-person panel, usually inside 15 to 20 minutes. BCAD's appraiser goes first, then you. Stick to evidence. Skip the tax-rate speeches and the personal finances. Hand your evidence packet to the panel ahead of time if you can, at least the morning of the hearing.

Step 5: Get the decision, then decide. The ARB issues a written order. Accept it and you're done until next year. Disagree and you can appeal further: district court, binding arbitration (residential homesteads valued at $5 million or less), or the State Office of Administrative Hearings ^[2]. District court gets expensive fast. Arbitration filing fees run $450 to $1,550 depending on property value, and you get the fee back only if you win a reduction of at least the filing fee amount ^[4].

Should you hire a property tax protest company in San Antonio or do it yourself?

Depends on your situation, and I'll tell you where I'd draw the line.

Most protest companies in San Antonio work on contingency, charging 25% to 40% of your first year's tax savings ^[5]. Some add a flat annual fee of $75 to $150 on top of the percentage. A few charge a flat fee only. Save you $1,000 at a 35% rate, and you keep $650. Save you $2,000 a year, and you hand over $700 every year you re-sign.

Some outfits charge an upfront fee whether they win or not. Read the contract before you sign anything.

When a firm makes sense: you own a complex commercial property, you have a very high-value home where paying for expertise clearly pencils out, or you genuinely can't spare two hours to gather evidence and show up.

When DIY is the better call: your property is residential or a simple rental, BCAD's value sits above market, you have access to comparable sales, and you're willing to spend a couple of hours preparing. A 35% contingency on a $700 yearly savings is $245 a year, forever, for something you could handle once in an afternoon.

Reviews for these companies are genuinely mixed. The big firms handle thousands of accounts and lean on mass-data algorithms instead of individual property analysis. Plenty of clients report settling for smaller reductions than they'd have won with personal attention. A decent local firm with real appraisers on staff can still be worth it for complicated cases.

If you go DIY, the TaxFightBack appeal kit is built for exactly that: a homeowner who wants to run the process end to end, keep all the savings, and never pay a contingency fee.

For how other Texas counties handle the same steps, see our guides on Collin County property tax and Williamson County property tax, which use similar ARB procedures.

How do homestead and other exemptions affect your San Antonio property tax bill?

Exemptions cut your taxable value, not your appraised value. That distinction matters. A protest attacks the appraised value; an exemption shrinks the number the tax rate applies to. Both work at the same time.

The Texas homestead exemption requires you to own and occupy the home as your principal residence as of January 1 ^[6]. Since 2023, the state school district homestead exemption is $100,000, following Senate Bill 2 in the 88th Texas Legislature ^[7]. So the first $100,000 of your appraised value is exempt from school district taxes. On a home appraised at $350,000, your school district taxes get calculated on $250,000.

Beyond the school exemption, Bexar County offers a county homestead exemption of 20% of appraised value (a local option the county adopted). The City of San Antonio also offers a homestead exemption; check the city's current percentage, since it has changed. San Antonio ISD, NISD, and other school districts layer their own exemptions on top of the state amount.

Homeowners 65 and older get an extra $10,000 school district exemption and, more usefully, a freeze on school district taxes at the level set when they first qualified ^[6]. That freeze can be worth thousands over time. Disabled veterans get exemptions that scale up to a full 100% exemption at a 100% disability rating ^[6].

Apply for the homestead exemption once. It stays put unless your ownership or residency changes. The BCAD application deadline is April 30 of the tax year ^[1]. New homeowners miss it constantly because nothing reminds them.

One more piece of protection: Texas Tax Code Section 23.23 caps the annual increase in a homestead's appraised value at 10% ^[8]. Exemptions and protests aren't a choice between one or the other. File the exemption, then protest the appraised value on top of it. Both help.

What evidence actually wins at a Bexar County ARB hearing?

The panel weighs evidence on reliability and relevance. Here's what moves the number and what gets waved off.

Strong evidence:

• Closed sales of comparable properties (not active listings, not Zillow estimates)
• A licensed appraisal done within the last 12 months showing a value below BCAD's number
• BCAD's own data showing similar homes at a lower value per square foot (the equity argument)
• Photos of condition problems: foundation cracks, roof damage, aging systems, deferred maintenance
• Contractor repair estimates with dates
• A BCAD field error, like wrong square footage or the wrong bathroom count on your record (pull your property card and check every line)

Weak evidence:

• Zillow Zestimates
• Active listing prices (those are asking prices, not sales)
• Tax bills from prior years
• Verbal comparisons with no documentation
• "My neighbors pay less than I do"

One trick people miss: check your property card at bcad.org for plain factual errors ^[1]. If BCAD lists your home at 2,400 square feet and it's actually 2,100, fixing that alone can drop your appraised value a lot. It's not even a contested argument. It's a clerical correction.

Put a one-page summary at the top of your packet, then attach the backup behind it. The panel has 15 minutes with you. Make those minutes count.

What happens after the ARB rules on your San Antonio protest?

The ARB issues a written Order Determining Protest, usually within a few weeks of your hearing. It states the final appraised value the board sets. You have 60 days from the order date to appeal further if you disagree ^[2].

Your appeal options after the ARB:

Binding arbitration. Available for residential homestead properties appraised at $5 million or less, a threshold raised from $3 million in 2023 by Senate Bill 2 ^[7]. Filing fees run $450 to $1,550, and you get the fee back only if you win a reduction of at least that amount ^[4]. An arbitrator, usually a licensed appraiser, reviews the case, and the decision is final.

District court. You can sue the appraisal district in Bexar County District Court. That means court costs and usually an attorney. Rarely worth it for a residential home unless the disputed amount is large.

SOAH. The State Office of Administrative Hearings handles appeals for qualifying properties, mostly commercial cases.

Most homeowners take the ARB decision, especially after a reduction. The cut sticks for that tax year and no longer. Next January 1, the whole thing resets with a fresh appraisal. There's no ongoing protection, which is exactly why some owners protest every single year.

For paying the resulting bill, see our overview of online tax payment for property and how Bexar County's portal handles split payments.

Worth knowing: if you win a reduction after you've already paid the year's taxes at the higher amount, BCAD issues a refund. The timeline varies but usually runs 60 to 90 days.

How do San Antonio property tax protest companies compare, and are the reviews accurate?

San Antonio has dozens of protest companies, from large statewide operations to small local shops. A handful of names show up over and over in search results and reviews, but Google and Yelp ratings are self-selected. Read them skeptically in both directions.

The biggest statewide firms (O'Connor & Associates, Texas Protax, Ownwell, and similar) process tens of thousands of accounts a year using automated comparable analysis. That efficiency helps on simple cases. The cost is that personal attention is unlikely. Reviews across platforms describe accounts filed late, cases settled for less than expected, and clients who couldn't reach a human when something went wrong.

Smaller local firms with licensed appraisers on staff sometimes do better for individual homeowners, because an actual appraiser looks at your property. The tradeoff is they're harder to find and vet.

Ask any firm these before signing:

• What share of your residential clients got a reduction last year?
• What's your contingency rate, and exactly how do you calculate it?
• Will you file on both market value and equity grounds?
• What happens if you miss my deadline? (Get it in writing.)
• Can I cancel before the hearing if I decide to handle it myself?

Texas law doesn't require protest firms to be licensed appraisers, though the reputable ones employ them. There's no state database of complaint history specific to these companies. The Texas Comptroller oversees appraisal districts, not third-party protest firms.

For comparison, see property tax taxation broadly and how other metros like Miami-Dade structure contingency fees across state lines.

How do San Antonio property taxes compare to other major Texas and U.S. cities?

Texas runs no state income tax, and that trade shows up in property tax rates. San Antonio's combined effective rates rank among the higher ones nationally, though the exact number depends on which taxing entities cover your specific address.

City / County	Approx. Effective Residential Rate	Notes
San Antonio (Bexar Co.)	2.0% - 2.7%	Varies by school district [1]
Austin (Travis Co.)	1.8% - 2.2%	Higher home values offset the rate
Dallas (Dallas Co.)	2.0% - 2.5%	Structure similar to Bexar
Houston (Harris Co.)	1.9% - 2.5%	Wide swing by MUD district
Los Angeles (LA Co.)	~1.1% - 1.2%	Prop 13 caps assessed value growth see [la county property tax]
New York City	~0.9% - 1.5%	Lower rate, far higher home values see [nyc property tax]
Minneapolis (Hennepin Co.)	~1.0% - 1.3%	see [hennepin county property tax]

The Texas rates reflect the full stack: county, city, school district, hospital district, flood control, and sometimes community college districts ^[11]. San Antonio homeowners in NISD or Southwest ISD can see different numbers than those in SAISD.

Here's the takeaway. San Antonio's property tax burden is real money. A one-time two-hour protest can save $500 to $1,500 a year on a typical home, and it compounds. Over ten years that's $5,000 to $15,000 back in your pocket, assuming values and rates hold roughly steady.

What are the most common mistakes San Antonio homeowners make when protesting?

These are the errors that sink otherwise winnable cases.

Missing the deadline. No exceptions. Put May 15 in your phone right now, with a two-week reminder ahead of it.

Filing only one ground. Check both 'value over market' and 'unequal appraisal' on Form 50-132. You can't add a ground later.

Using Zillow estimates as evidence. Panels see this constantly and discount it on sight. Use closed sales from deed records or MLS-confirmed data.

Skipping the informal hearing. File and don't show up, and BCAD has no reason to negotiate. People assume the protest runs on autopilot. It doesn't.

Arguing tax rates or affordability. The ARB only controls appraised value. Telling the panel you can't afford your taxes goes nowhere. It's not theirs to fix.

Grabbing the first informal offer without checking the math. If BCAD's appraiser offers to drop you from $380,000 to $365,000 and your comps support $320,000, decline and take it to the formal hearing.

Ignoring your property card. Factual errors in BCAD's records are common and fixable. Check your card at bcad.org before you build any other argument ^[1].

Starting the week before the deadline. Good comps take a few hours to gather. Give yourself at least two weeks.

Frequently asked questions

What is the 2025 property tax protest deadline in San Antonio?

May 15, 2025, or 30 days from the date on your Notice of Appraised Value from BCAD, whichever comes later. If your notice is mailed after April 15, count 30 days from that date. File online at bcad.org, by mail to 411 N Frio St., or in person. Keep your filing confirmation.

How do I file a property tax protest in Bexar County?

Submit Form 50-132 (Notice of Protest) to BCAD before the deadline. File online at bcad.org, in person at 411 N Frio St. in San Antonio, or by mail (use certified mail with return receipt). Check both the market value and unequal appraisal boxes. You'll then get a notice scheduling your informal hearing with a BCAD appraiser.

Is it worth protesting your property taxes in San Antonio?

Usually yes. Roughly 55% to 65% of Bexar County residential protests result in some reduction. At a 2.3% effective rate, cutting $25,000 off your appraised value saves about $575 a year, every year. The process takes two to four hours. Even if you only win every other year, the math favors trying.

What percentage do property tax protest companies in San Antonio charge?

Most contingency-based firms charge 25% to 40% of first-year savings. Some add a flat annual fee of $75 to $150 on top. A few charge flat fees only. Save $800 at 35%, and you keep $520. The contingency recurs each year you re-sign. DIY keeps 100% of the reduction.

Can I protest my property taxes in San Antonio without hiring anyone?

Yes, and most residential homeowners should. The ARB process is built for self-represented owners. You file Form 50-132, gather comparable sales showing your home is over-appraised, attend an informal hearing with BCAD, then a formal ARB hearing if needed. No legal license required. Thousands of San Antonio homeowners do this every year.

What is the Bexar Appraisal District phone number and address?

BCAD sits at 411 N Frio St., San Antonio, TX 78207. The main phone number is (210) 224-2432, and the website is bcad.org. Office hours are Monday through Friday, 8 a.m. to 5 p.m. You can also file protests and pull property records online through the BCAD portal.

What is an equity protest and how does it work in Texas?

An equity protest argues your property is appraised higher than similar properties, even if the value sits close to market. Texas Tax Code Section 41.41 guarantees equal and uniform taxation. You pull BCAD's data on comparable nearby homes, show your price per square foot runs higher, and ask the ARB to equalize downward. It works independently of a market-value argument.

What happens if I miss the property tax protest deadline in Bexar County?

You lose your right to protest for that tax year. No extensions, no appeal from missing the deadline itself. Your only remaining moves are applying for exemptions you may have missed (the homestead deadline is April 30) or correcting factual errors in your property record, which you can do anytime through a correction request to BCAD.

How do I find comparable sales for my San Antonio property tax protest?

Use BCAD's property search at bcad.org to find recent sales of similar homes in your neighborhood. Look for properties within 20% of your square footage, similar age, same construction type, and sales within the past 12 months. Verify prices through Bexar County Clerk deed records. Aim for three to five strong comps. Active listings don't count.

Does the homestead exemption reduce my property taxes automatically in San Antonio?

No. You apply once to BCAD by April 30 of the tax year you want it to start. After that it renews automatically as long as you own and occupy the property. The state school district homestead exemption is $100,000 as of 2023. Bexar County and the City of San Antonio add local exemptions on top of the state amount.

What if the ARB ruling still leaves my value too high?

You have 60 days from the ARB order date to appeal further. For residential homesteads valued at $5 million or less, binding arbitration through the Texas Comptroller's office is available for a filing fee of $450 to $1,550. You get the fee back only if you win. District court is an option too, but rarely cost-effective for a home.

How do property tax protest companies in San Antonio actually work?

You sign a contract giving them authority to protest for you. They file Form 50-132 before the deadline, run comparable analysis (usually automated at large firms), and attend or submit evidence to your informal and ARB hearings. If they win a reduction, they invoice their contingency percentage. You get the adjusted bill and usually attend no hearings yourself.

Can I protest if I just bought my home in San Antonio?

Yes. Your purchase price is actually useful evidence if it's below BCAD's appraised value. Bring the closing disclosure or HUD-1 statement to your hearing as proof of what a willing buyer and seller agreed the property was worth. An arm's-length sale price is among the strongest evidence the ARB can receive.

What is the San Antonio property tax rate in 2025?

There's no single rate. Bexar County's combined effective rate depends on which taxing entities cover your address. For most San Antonio homeowners it falls between 2.0% and 2.7% once you add county, city, school district, hospital district, and other special districts. BCAD publishes rate breakdowns by taxing unit at bcad.org each year.

Sources

1. Bexar Appraisal District, official website (bcad.org): BCAD office address, online protest portal, property card search, exemption deadlines, and tax rate information
2. Texas Legislature Online, Texas Tax Code Chapter 41 (Property Tax Protests and Appeals): Right to protest annually under Sec. 41.41; May 15 or 30-day deadline; grounds for protest; 60-day post-ARB appeal window
3. Texas Comptroller of Public Accounts, Property Tax Reports and Statistics: Statewide appraisal district protest outcomes, reduction rates, and annual property tax statistics by county
4. Texas Comptroller of Public Accounts, Property Tax Arbitration: Binding arbitration eligibility (residential homesteads $5 million or less), filing fees $450 to $1,550, fee refund rule
5. Texas Comptroller of Public Accounts, Property Tax Assistance Division: Contingency-fee context for third-party property tax agents representing owners in protests
6. Texas Comptroller of Public Accounts, Property Tax Exemptions: Homestead exemption eligibility (own and occupy as of January 1), over-65 additional exemption and school tax freeze, disabled veteran exemptions
7. Texas Legislature Online, Senate Bill 2 (88th Legislature, 2023): SB2 raised the school district homestead exemption to $100,000 and increased the arbitration threshold to $5 million
8. Texas Tax Code Section 23.23, Texas Legislature Online: Appraisal limitation (10% cap) on homestead appraised value increases per year
9. Texas Comptroller of Public Accounts, Property Tax Forms (Form 50-132): Form 50-132 (Notice of Protest) is the official filing form for all Texas ARB protests
10. Lincoln Institute of Land Policy, Significant Features of the Property Tax (state-by-state comparison): Texas effective residential property tax rates among the highest nationally due to no state income tax