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 32421 are overassessed?

38% of homes in Altha ZIP 32421 (336 of 885 parcels) are assessed more than 10% above the typical per-square-foot value for the neighborhood, based on the FL DOR 2025 Final NAL roll.

How do I appeal my property taxes in Altha ZIP 32421?

File Form DR-486 with the Calhoun County Value Adjustment Board within 25 days of your TRIM notice (typically mid-August). The $15 filing fee is paid to the Clerk of Court. Strong petitions include 3-5 comparable sales from your immediate area.

Calhoun County · Altha

ZIP 32421 property tax overassessment report

38% of homes in Altha ZIP 32421 (336 of 885 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $160,439.

Check your address →Calhoun County guide

885

Homes in ZIP

336

Flagged as overassessed

38%

$55,523

Avg overage / home

$142,081

Typical value

~$77/sqft

Your Calhoun County deadline

TRIM mailing: Mid-August 2026 · VAB petition due: 25 days after TRIM mailing (typically mid-September 2026)

Calhoun filing guide →

Top 25 most overassessed homes in 32421

Addresses anonymized. Pulled directly from the FL DOR 2025 Final NAL roll. Each home pays significantly more than what a comparable-size home in this ZIP typically pays.

Address	Sq ft	Year	Just value	Expected	Overage	% over	$/yr
1XXXX NW ZACK SEGERS LN	2,052	1992	$329,731	$158,004	$171,727	108.7%	$1,477
1XXXX NW SHUMAN FERRY RD	3,111	1994	$403,530	$239,547	$163,983	68.5%	$1,410
2XXXX NW CR 275	4,865	2019	$529,347	$374,605	$154,742	41.3%	$1,331
1XXXX NW PORTER GRADE RD	6,833	2009	$677,272	$526,141	$151,131	28.7%	$1,300
2XXXX NE CANTON RD	2,500	2021	$339,417	$192,500	$146,917	76.3%	$1,263
1XXXX NW CHIPOLA HGHTS S/D	4,684	2007	$503,434	$360,668	$142,766	39.6%	$1,228
2XXXX NE CR 274	3,039	2018	$370,495	$234,003	$136,492	58.3%	$1,174
1XXXX NW COLUMBUS DR	3,926	2002	$438,778	$302,302	$136,476	45.1%	$1,174
4XXX NW BAKER RD	2,563	1973	$331,624	$197,351	$134,273	68%	$1,155
1XXXX NE FLATWOODS RD	2,927	2022	$358,492	$225,379	$133,113	59.1%	$1,145
5XXX NW CR 274	2,316	2008	$311,292	$178,332	$132,960	74.6%	$1,143
2XXXX NW BLACK BOTTOM RD	1,683	2000	$257,758	$129,591	$128,167	98.9%	$1,102
1XXXX NW ASHLEY SHIVER RD	2,721	2006	$337,012	$209,517	$127,495	60.9%	$1,096
1XXXX NE MORGAN TUCKER RD	3,090	2003	$363,538	$237,930	$125,608	52.8%	$1,080
2XXXX NE CR 69-A	2,599	2006	$324,594	$200,123	$124,471	62.2%	$1,070
2XXXX NE CANTON RD	1,937	2022	$271,508	$149,149	$122,359	82%	$1,052
1XXXX NW CR 275	2,126	2020	$285,973	$163,702	$122,271	74.7%	$1,052
1XXXX NE CR 274	3,808	2023	$411,890	$293,216	$118,674	40.5%	$1,021
2XXXX NW MANATEE SPRINGS LN	1,512	2004	$234,638	$116,424	$118,214	101.5%	$1,017
2XXXX NW CR 275	2,968	2018	$344,907	$228,536	$116,371	50.9%	$1,001
2XXXX N SR 71 RD	2,297	2019	$292,752	$176,869	$115,883	65.5%	$997
2XXXX NE ALLEN LN	2,867	1997	$333,677	$220,759	$112,918	51.1%	$971
2XXXX NW CR 275	1,952	2005	$262,691	$150,304	$112,387	74.8%	$967
1XXXX NW GLORY HILL RD	3,323	2012	$367,345	$255,871	$111,474	43.6%	$959
1XXXX NW WESTERFIELD RD	1,596	2007	$233,300	$122,892	$110,408	89.8%	$950

Data: FL DOR 2025 Final NAL roll, Calhoun County, ZIP 32421. Addresses anonymized to protect privacy; full data is public record under Fla. Stat. Ch. 119. Showing top 25 — there are likely more overassessed homes in this ZIP.

Is yours one of them?

Search your address — we'll show your specific overassessment estimate in 30 seconds. Then when CalhounCounty's TRIM notice mails this August, you'll have a $49 DR-486 packet ready to file with the VAB.

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