What is a property tax appeal?

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

When is the Florida property tax appeal deadline?

Florida property owners have 25 days from the date the TRIM (Truth in Millage) notice is mailed to file a VAB petition (Form DR-486). TRIM notices typically mail mid-August, putting the petition deadline in early-to-mid September. The deadline varies by county and is printed on the TRIM notice itself.

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 several hundred to several thousand dollars per year in Florida (Save Our Homes locks in the savings for 10+ years). 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 75116 are overassessed?

38.4% of homes in Duncanville ZIP 75116 (918 of 2,388 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 Duncanville ZIP 75116?

File a Notice of Protest with DCAD 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.

Dallas County · Duncanville

ZIP 75116 property tax overassessment report

38.4% of homes in Duncanville ZIP 75116 (918 of 2,388 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $639,932.

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2,388

Homes in ZIP

918

Flagged as overassessed

38.4%

$32,423

Avg overage / home

$43,227

Typical value

~$27/sqft

Dallas County · over-assessed homes overpay year-round

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

Dallas County guide →

Top 25 most overassessed homes in 75116

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
4XX N ROYAL OAK DR	4,681	2022	$1,070,610	$126,387	$944,223	747.1%	$20,584
2XXX GALIT COVE	4,835	2016	$936,000	$130,545	$805,455	617%	$17,559
4XX W CENTER ST	3,977	2008	$838,420	$107,379	$731,041	680.8%	$15,937
1 CHURCHILL DOWNS	7,417	2000	$925,370	$200,259	$725,111	362.1%	$15,807
1XXX SIERRA BLANCA DR	3,778	2009	$807,520	$102,006	$705,514	691.6%	$15,380
1XXX FAIRLAWN DR	4,658	1953	$822,150	$125,766	$696,384	553.7%	$15,181
1XX S ROYAL OAK DR	4,535	2018	$764,760	$122,445	$642,315	524.6%	$14,002
4XX N CASA GRANDE CIR	3,366	2018	$729,860	$90,882	$638,978	703.1%	$13,930
4XX N CLARK RD	3,277	2017	$724,220	$88,479	$635,741	718.5%	$13,859
5XX N CASA GRANDE CIR	4,224	1979	$736,740	$114,048	$622,692	546%	$13,575
8 CHURCHILL DOWNS	6,296	1990	$786,820	$169,992	$616,828	362.9%	$13,447
7 BELMONT PL	4,325	2018	$717,410	$116,775	$600,635	514.4%	$13,094
7 CHURCHILL DOWNS	6,488	1995	$772,490	$175,176	$597,314	341%	$13,021
3XX WOODHAVEN BLVD	5,054	2006	$729,180	$136,458	$592,722	434.4%	$12,921
4XX N GREENSTONE LN	4,044	2005	$701,610	$109,188	$592,422	542.6%	$12,915
2XX TUCSON DR	3,758	1982	$693,780	$101,466	$592,314	583.8%	$12,912
1XXX JUNGLE DR	3,839	2010	$692,200	$103,653	$588,547	567.8%	$12,830
5XX W RED BIRD LN	4,189	2018	$697,720	$113,103	$584,617	516.9%	$12,745
2 CHURCHILL DOWNS	4,768	2000	$700,660	$128,736	$571,924	444.3%	$12,468
1XXX FAIRLAWN DR	3,026	1974	$646,550	$81,702	$564,848	691.4%	$12,314
4XX N CLARK RD	2,296	1957	$607,710	$61,992	$545,718	880.3%	$11,897
1XXX LADY LN	4,540	2001	$659,350	$122,580	$536,770	437.9%	$11,702
1XXX RIDGE ROCK LN	3,321	2015	$624,100	$89,667	$534,433	596%	$11,651
4XX N GREENSTONE LN	3,430	2006	$624,780	$92,610	$532,170	574.6%	$11,601
4XX W CENTER ST	2,177	2000	$589,620	$58,779	$530,841	903.1%	$11,572

Data: HCAD public records, Dallas County, ZIP 75116. 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 DallasCounty 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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