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 75080 are overassessed?

30.1% of homes in Richardson ZIP 75080 (986 of 3,278 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 Richardson ZIP 75080?

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 · Richardson

ZIP 75080 property tax overassessment report

30.1% of homes in Richardson ZIP 75080 (986 of 3,278 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $1,371,562.

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3,278

Homes in ZIP

986

Flagged as overassessed

30.1%

$64,699

Avg overage / home

$48,494

Typical value

~$22/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 75080

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 CHEYENNE DR	6,604	2024	$3,529,990	$145,288	$3,384,702	2329.7%	$73,787
3XX RIDGEVIEW DR	7,583	2024	$3,220,397	$166,826	$3,053,571	1830.4%	$66,568
1XXX GLEN COVE DR	5,573	2023	$2,839,520	$122,606	$2,716,914	2216%	$59,229
2X SHADY COVE	6,443	2023	$2,761,030	$141,746	$2,619,284	1847.9%	$57,100
4 SHENANDOAH PL	6,020	2018	$2,697,240	$132,440	$2,564,800	1936.6%	$55,913
8XX LOCKWOOD DR	5,730	1956	$2,609,540	$126,060	$2,483,480	1970.1%	$54,140
1 FOREST PARK DR	7,144	2021	$2,623,500	$157,168	$2,466,332	1569.2%	$53,766
2X SHADY COVE	6,251	2019	$2,567,670	$137,522	$2,430,148	1767.1%	$52,977
5XX CANYON CREEK DR	6,429	2020	$2,539,370	$141,438	$2,397,932	1695.4%	$52,275
2XXX CLEAR LAKE CIR	6,788	2015	$2,522,850	$149,336	$2,373,514	1589.4%	$51,743
2XXX FAIRWAY DR	5,888	2016	$2,475,910	$129,536	$2,346,374	1811.4%	$51,151
5XX CANYON CREEK DR	5,566	2023	$2,433,780	$122,452	$2,311,328	1887.5%	$50,387
4XX FALL CREEK DR	5,900	2002	$2,438,300	$129,800	$2,308,500	1778.5%	$50,325
9XX CREEKDALE DR	3,582	2023	$2,353,410	$78,804	$2,274,606	2886.4%	$49,586
2XXX MESA DR	4,902	1965	$2,372,940	$107,844	$2,265,096	2100.3%	$49,379
2XXX CLEAR LAKE CIR	5,403	2016	$2,308,000	$118,866	$2,189,134	1841.7%	$47,723
4XX FALL CREEK DR	5,781	1978	$2,269,410	$127,182	$2,142,228	1684.4%	$46,701
6 PEBBLEBROOK CIR	5,246	2022	$2,225,860	$115,412	$2,110,448	1828.6%	$46,008
2XXX FAIRWAY DR	4,082	2015	$2,180,790	$89,804	$2,090,986	2328.4%	$45,583
2XXX FAIRWAY CIR	5,362	2009	$2,201,986	$117,964	$2,084,022	1766.7%	$45,432
3XX FALL CREEK DR	5,643	2009	$2,200,160	$124,146	$2,076,014	1672.2%	$45,257
2XXX FAIRWAY DR	5,580	2006	$2,190,908	$122,760	$2,068,148	1684.7%	$45,086
1XXX SEMINOLE DR	5,340	2024	$2,150,000	$117,480	$2,032,520	1730.1%	$44,309
1XXX CHEYENNE DR	4,888	2020	$2,130,050	$107,536	$2,022,514	1880.8%	$44,091
1XXX CHEYENNE DR	4,796	2019	$2,113,150	$105,512	$2,007,638	1902.8%	$43,767

Data: HCAD public records, Dallas County, ZIP 75080. 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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