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 33478 are overassessed?

24% of homes in Jupiter ZIP 33478 (49 of 204 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 Jupiter ZIP 33478?

File Form DR-486 with the Martin 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.

Martin County · Jupiter

ZIP 33478 property tax overassessment report

24% of homes in Jupiter ZIP 33478 (49 of 204 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $344,916.

Check your address →Martin County guide

204

Homes in ZIP

Flagged as overassessed

24%

$818,500

Avg overage / home

$1,730,819

Typical value

~$462/sqft

Your Martin County deadline

TRIM mailing: Aug 17, 2026 · VAB petition due: Sept 11, 2026

Martin filing guide →

Top 25 most overassessed homes in 33478

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
1XXX SE RANCH RD	2,151	2013	$3,768,480	$993,762	$2,774,718	279.2%	$23,863
1XXXX SE RANCH LN	2,157	1992	$3,025,740	$996,534	$2,029,206	203.6%	$17,451
2XXX SE DOWNWINDS RD	2,330	2009	$2,930,950	$1,076,460	$1,854,490	172.3%	$15,949
1XXX SE CYPRESS PARK LN	6,195	1995	$4,667,950	$2,862,090	$1,805,860	63.1%	$15,530
1XXXX SE CROSSWINDS LN	2,915	2002	$2,923,080	$1,346,730	$1,576,350	117.1%	$13,557
1XXXX SE MACK DAIRY RD	4,491	1995	$3,623,720	$2,074,842	$1,548,878	74.7%	$13,320
1XXX SE RANCH RD	4,259	1995	$3,513,630	$1,967,658	$1,545,972	78.6%	$13,295
3XXX SE CHANDELLE RD	3,664	2008	$3,184,970	$1,692,768	$1,492,202	88.2%	$12,833
1XXXX SE CROSSWINDS LN	3,716	2001	$3,052,680	$1,716,792	$1,335,888	77.8%	$11,489
1XXXX SE CROSSWINDS LN	3,386	1993	$2,867,670	$1,564,332	$1,303,338	83.3%	$11,209
3XXX SE CHANDELLE RD	4,261	2004	$3,231,860	$1,968,582	$1,263,278	64.2%	$10,864
3XXX SE DOWNWINDS RD	2,910	1988	$2,549,780	$1,344,420	$1,205,360	89.7%	$10,366
2XXXX SE MACK DAIRY RD	5,867	1991	$3,901,690	$2,710,554	$1,191,136	43.9%	$10,244
2XXX SE DOWNWINDS RD	4,342	2003	$3,171,900	$2,006,004	$1,165,896	58.1%	$10,027
2XXX SE DOWNWINDS RD	3,231	1991	$2,654,800	$1,492,722	$1,162,078	77.8%	$9,994
2XXX SE RANCH RD	4,959	1991	$3,375,150	$2,291,058	$1,084,092	47.3%	$9,323
1XXX SE RANCH RD	5,013	1995	$3,333,000	$2,316,006	$1,016,994	43.9%	$8,746
1XXX SE RANCH RD	6,470	2008	$3,860,600	$2,989,140	$871,460	29.2%	$7,495
2XXX SE DOWNWINDS RD	4,843	2004	$3,108,830	$2,237,466	$871,364	38.9%	$7,494
1XXXX SE WRIGHTS LN	3,338	1991	$2,327,550	$1,542,156	$785,394	50.9%	$6,754
1XXXX SE CROSSWINDS LN	5,672	1998	$3,371,720	$2,620,464	$751,256	28.7%	$6,461
3XXX SE DOWNWINDS RD	5,209	1994	$3,156,990	$2,406,558	$750,432	31.2%	$6,454
1XXX SE RANCH RD	7,744	2012	$4,307,420	$3,577,728	$729,692	20.4%	$6,275
1XXXX SE CROSSWINDS LN	3,860	2005	$2,510,420	$1,783,320	$727,100	40.8%	$6,253
1XXX SE RANCH RD	8,553	1997	$4,572,720	$3,951,486	$621,234	15.7%	$5,343

Data: FL DOR 2025 Final NAL roll, Martin County, ZIP 33478. 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 MartinCounty's TRIM notice mails this August, you'll have a $49 DR-486 packet ready to file with the VAB.

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