What is a property tax appeal?

A property tax appeal (also called a protest in Texas) is a formal process where you challenge your county appraiser's assessed value of your home. You file with the county Appraisal Review Board (ARB), present comparable-sales evidence that your home is overvalued, and the board issues a ruling.

When is the Texas property tax appeal deadline?

In Texas, the deadline to file a property tax protest is May 15 each year (or 30 days after your appraisal notice is mailed, whichever is later). The 2026 deadline has passed; the next protest window is April-May 2027.

How much can I save by appealing my property taxes?

Homeowners who appeal save an average of $774 per year in Texas, and you can protest again every year. Success rates range from 80-91% when you bring 3-5 comparable sales as evidence.

What's the difference between AppealMyTax and Ownwell?

AppealMyTax charges a flat $99, one time, for a complete personalized appeal packet you file yourself, or $199-$249 for our done-for-you filing service. You keep 100% of your savings every year. Ownwell keeps a 25-35% contingency on whatever you save and O'Connor keeps about half, meaning a $2,461 reduction costs you roughly $615-$1,230 every year forever. We charge $99 once and keep nothing.

What percent of homes in ZIP 78278 are overassessed?

16.7% of homes in San Antonio ZIP 78278 (51 of 306 parcels) are assessed more than 10% above the typical per-square-foot value for the neighborhood, based on HCAD public records.

How do I protest my property taxes in San Antonio ZIP 78278?

File a Notice of Protest with BCAD by May 15 each year. Bring 3-5 comparable sales from your immediate area to your ARB hearing. 2026 deadline has passed — next protest window is April-May 2027.

Bexar County · San Antonio

ZIP 78278 property tax overassessment report

16.7% of homes in San Antonio ZIP 78278 (51 of 306 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $81,831.

Lock in 2027 prep — $99/yr →Check your address (free)

306

Homes in ZIP

Flagged as overassessed

16.7%

$74,630

Avg overage / home

$363,550

Typical value

~$171/sqft

Bexar County · over-assessed homes overpay year-round

Next: BCAD 2027 values mail late March-April. Protest deadline: May 15, 2027.

Bexar County guide →

Top 25 most overassessed homes in 78278

Addresses anonymized. Pulled directly from HCAD public records. Each home pays significantly more than what a comparable-size home in this ZIP typically pays.

Address	Sq ft	Year	Market val	Expected	Overage	% over	$/yr
2XX WINDING LN	6,501	2012	$3,128,110	$1,111,671	$2,016,439	181.4%	$39,724
2XXXX RANCH CRST	4,555	2005	$1,695,000	$778,905	$916,095	117.6%	$18,047
1X DE ZAVALA PL	5,118	1990	$1,613,000	$875,178	$737,822	84.3%	$14,535
4XX HAPPY TRL	6,458	1992	$1,723,550	$1,104,318	$619,232	56.1%	$12,199
1XXXX PECAN RANCH	4,271	2024	$1,244,470	$730,341	$514,129	70.4%	$10,128
1XX SHAVANO DR	2,291	1953	$887,670	$391,761	$495,909	126.6%	$9,769
3XX CINNAMON OAK	4,847	2000	$1,287,000	$828,837	$458,163	55.3%	$9,026
2XXXX HENNESS PASS	4,912	2019	$1,295,000	$839,952	$455,048	54.2%	$8,964
1XX LACEY OAK	4,073	1994	$1,150,000	$696,483	$453,517	65.1%	$8,934
4XXX BAYBERRY ROW	3,012	2007	$967,540	$515,052	$452,488	87.9%	$8,914
1XXXX DREAMLAND DR	2,323	2000	$820,000	$397,233	$422,767	106.4%	$8,329
1XXXX WHITE BONNET ST	3,032	2005	$928,000	$518,472	$409,528	79%	$8,068
4XXX BAYBERRY ROW	2,882	2006	$898,600	$492,822	$405,778	82.3%	$7,994
3XX GEDDINGTON	3,641	2008	$985,760	$622,611	$363,149	58.3%	$7,154
6XXX MALAGA WAY	5,641	2014	$1,316,530	$964,611	$351,919	36.5%	$6,933
1XXXX CRYSTAL BLF	6,490	2001	$1,457,580	$1,109,790	$347,790	31.3%	$6,851
1XX WAGON TRAIL RD	1,172	1956	$528,860	$200,412	$328,448	163.9%	$6,470
3XX BERKLEY OAK	6,456	1999	$1,427,780	$1,103,976	$323,804	29.3%	$6,379
1XX POST OAK WAY	3,226	1991	$867,210	$551,646	$315,564	57.2%	$6,217
9 VINTAGE OAKS	2,865	1989	$745,880	$489,915	$255,965	52.2%	$5,043
8XXX RAINTREE WOODS DR	4,938	2023	$1,100,000	$844,398	$255,602	30.3%	$5,035
4XX CLAY ST	1,613	2018	$503,800	$275,823	$227,977	82.7%	$4,491
1XX BINHAM HTS	2,607	2002	$669,000	$445,797	$223,203	50.1%	$4,397
9X REGENTS PARK	3,803	2024	$869,510	$650,313	$219,197	33.7%	$4,318
1XX BINHAM HTS	3,286	2001	$778,000	$561,906	$216,094	38.5%	$4,257

Data: HCAD public records, Bexar County, ZIP 78278. Addresses anonymized to protect privacy; full data is public record under Texas Public Information Act. Showing top 25 — there are likely more overassessed homes in this ZIP.

Is yours one of them?

The 2026 protest deadline has passed, but BexarCounty will publish fresh 2027 values next April. Lock in $99/yr monitoring now and we'll auto-build your iFile-ready packet the moment your new value drops.

Start 2027 prep — $99/yr →

Cancel anytime · Auto-files your protest packet for 2027, 2028, 2029…