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 75087 are overassessed?

42.1% of homes in Killeen ZIP 75087 (69 of 164 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 Killeen ZIP 75087?

File a Notice of Protest with Collin CAD 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.

Collin County · Killeen

ZIP 75087 property tax overassessment report

42.1% of homes in Killeen ZIP 75087 (69 of 164 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $343,070.

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164

Homes in ZIP

Flagged as overassessed

42.1%

$231,257

Avg overage / home

$566,412

Typical value

~$206/sqft

Collin County · over-assessed homes overpay year-round

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

Collin County guide →

Top 25 most overassessed homes in 75087

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
1XXX ANNA CADE RD	6,410	2013	$4,422,021	$1,320,460	$3,101,561	234.9%	$63,272
1XXXX DARK HOLLOW RD	5,249	2024	$2,913,996	$1,081,294	$1,832,702	169.5%	$37,387
1XXXX DARK HOLLOW RD	1,200	2024	$1,791,902	$247,200	$1,544,702	624.9%	$31,512
1XXXX N ANNA CADE RD	6,245	1985	$2,666,321	$1,286,470	$1,379,851	107.3%	$28,149
1XXXX E ANNA CADE RD	4,004	1983	$1,783,429	$824,824	$958,605	116.2%	$19,556
1XXXX DARK HOLLOW RD	5,385	1987	$1,977,293	$1,109,310	$867,983	78.2%	$17,707
1XXXX E ANNA CADE RD	3,349	2022	$1,415,840	$689,894	$725,946	105.2%	$14,809
1XXX OLD MILLWOOD RD	3,457	2023	$1,400,373	$712,142	$688,231	96.6%	$14,040
1XXXX COUNTY ROAD 536	4,772	2022	$1,670,726	$983,032	$687,694	70%	$14,029
1XXX ANNA CADE RD	3,248	2016	$1,242,557	$669,088	$573,469	85.7%	$11,699
1XXXX N ANNA CADE RD	2,536	1983	$1,076,611	$522,416	$554,195	106.1%	$11,306
1XXX ANNA CADE RD	6,185	2022	$1,810,189	$1,274,110	$536,079	42.1%	$10,936
1XXXX CHAPARRAL TROT	3,481	2023	$1,207,000	$717,086	$489,914	68.3%	$9,994
1XXX GAILS LN	3,926	2022	$1,262,132	$808,756	$453,376	56.1%	$9,249
1XXXX COUNTY ROAD 536	3,379	2019	$1,088,561	$696,074	$392,487	56.4%	$8,007
1XXXX COUNTY ROAD 536	2,952	2021	$1,000,049	$608,112	$391,937	64.5%	$7,996
1XXXX COUNTY ROAD 536	2,809	2021	$910,677	$578,654	$332,023	57.4%	$6,773
1XXXX E ANNA CADE RD	6,374	2003	$1,605,376	$1,313,044	$292,332	22.3%	$5,964
1XXXX CHAPARRAL TROT	2,821	2017	$867,271	$581,126	$286,145	49.2%	$5,837
1XXXX CHAPARRAL TROT	2,727	2022	$843,589	$561,762	$281,827	50.2%	$5,749
1XXXX E ANNA CADE RD	3,372	2010	$961,127	$694,632	$266,495	38.4%	$5,436
1XXX GAILS LN	4,326	1994	$1,128,986	$891,156	$237,830	26.7%	$4,852
1XXX OLD MILLWOOD RD	1,830	2021	$602,074	$376,980	$225,094	59.7%	$4,592
1XXXX COUNTY ROAD 949	1,992	1980	$634,645	$410,352	$224,293	54.7%	$4,576
1XXXX COUNTY ROAD 536	3,004	2021	$834,633	$618,824	$215,809	34.9%	$4,403

Data: HCAD public records, Collin County, ZIP 75087. 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.

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The 2026 protest deadline has passed, but CollinCounty 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.

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