What is a property tax appeal?

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

What's the deadline to file a property tax protest in Texas?

In Texas, the deadline to file a property tax protest is May 15, 2026 (or 30 days after your appraisal notice is mailed, whichever is later). There are no extensions.

How much can I save by appealing my property taxes?

Texas homeowners who appeal save an average of $774 per year. Success rates range from 80-91% when homeowners bring comparable sales evidence.

What percent of homes in ZIP 77587 are overassessed?

27.1% of homes in South Houston ZIP 77587 (880 of 3,247 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 South Houston ZIP 77587?

File a Notice of Protest with HCAD by May 15 each year. HCAD accepts iFile online protests. Most cases settle informally if you bring strong comparable-sale evidence. 2026 deadline has passed — next protest window is April-May 2027.

Harris County · South Houston

ZIP 77587 property tax overassessment report

27.1% of homes in South Houston ZIP 77587 (880 of 3,247 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $1,020,834.

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3,247

Homes in ZIP

880

Flagged as overassessed

27.1%

$53,955

Avg overage / home

$204,050

Typical value

~$147/sqft

Harris County · 2026 protest window closed

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

Harris County guide →

Top 25 most overassessed homes in 77587

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
3XX 8TH ST	1,873	1945	$681,810	$275,331	$406,479	147.6%	$9,390
7XX AVENUE J	2,090	1976	$702,514	$307,230	$395,284	128.7%	$9,131
1XXX G AVE	1,355	2018	$590,151	$199,185	$390,966	196.3%	$9,031
1XX N 3RD ST	1,024	1984	$503,545	$150,528	$353,017	234.5%	$8,155
1XXX AVENUE K	916	1958	$484,016	$134,652	$349,364	259.5%	$8,070
3XX MICHIGAN ST	527	1983	$408,905	$77,469	$331,436	427.8%	$7,656
7XX KOLB RD	1,716	1952	$565,907	$252,252	$313,655	124.3%	$7,245
1XXX IOWA ST	1,064	1983	$408,150	$156,408	$251,742	161%	$5,815
1XXX AVENUE I	1,580	1953	$463,768	$232,260	$231,508	99.7%	$5,348
3XX AVENUE A	2,300	2005	$563,870	$338,100	$225,770	66.8%	$5,215
3XX WELDON ST	1,500	1975	$433,718	$220,500	$213,218	96.7%	$4,925
8XX AVENUE H	672	1946	$310,816	$98,784	$212,032	214.6%	$4,898
9XX INDIANA ST	1,448	2008	$401,874	$212,856	$189,018	88.8%	$4,366
4XX AVENUE I	1,216	1952	$367,471	$178,752	$188,719	105.6%	$4,359
8XX AVENUE K	1,219	1965	$365,126	$179,193	$185,933	103.8%	$4,295
9XX BONNIE ST	576	1948	$267,730	$84,672	$183,058	216.2%	$4,229
1XXX WACO ST	1,975	1997	$472,690	$290,325	$182,365	62.8%	$4,213
3XX INDIANA ST	1,256	1940	$366,607	$184,632	$181,975	98.6%	$4,204
7XX AVENUE M	2,351	2019	$527,269	$345,597	$181,672	52.6%	$4,197
1XXX AVENUE H	987	1949	$321,031	$145,089	$175,942	121.3%	$4,064
2XX YORK ST A	2,184	2022	$495,617	$321,048	$174,569	54.4%	$4,033
1XXX IOWA ST	1,493	1978	$387,281	$219,471	$167,810	76.5%	$3,876
1XXX AVENUE E	1,170	1940	$331,331	$171,990	$159,341	92.6%	$3,681
2XX VIRGINIA ST	988	1930	$304,149	$145,236	$158,913	109.4%	$3,671
8XX AVENUE H	4,079	2021	$757,793	$599,613	$158,180	26.4%	$3,654

Data: HCAD public records, Harris County, ZIP 77587. 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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