What percent of homes in ZIP 77640 are overassessed?

30.9% of homes in Port Arthur ZIP 77640 (2,054 of 6,643 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 Port Arthur ZIP 77640?

File a Notice of Protest with JCAD by May 15 each year. Bring 3-5 comparable sales from your immediate area to your ARB hearing. Past the May 15 date, a late protest may still be accepted for good cause under §41.44(b) until the ARB approves the records (typically mid-July); the next regular protest window is April-May 2027.

Jefferson County · Port Arthur

ZIP 77640 property tax overassessment report

30.9% of homes in Port Arthur ZIP 77640 (2,054 of 6,643 parcels) are assessed more than 10% above what comparable-size homes in the same ZIP typically pay per square foot. Combined annual overpayment: $1,057,347.

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6,643

Homes in ZIP

2,054

Flagged as overassessed

30.9%

$23,943

Avg overage / home

$145,577

Typical value

~$99/sqft

Jefferson County · over-assessed homes overpay year-round

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

Jefferson County guide →

Top 25 most overassessed homes in 77640

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
1XXXX HWY 87	1,652	2012	$1,362,167	$163,548	$1,198,619	732.9%	$23,853
3XXX MARTIN L. KING JR, DR	2,881	2016	$714,515	$285,219	$429,296	150.5%	$8,543
4XX ISLAND WAY	3,581	2000	$748,963	$354,519	$394,444	111.3%	$7,849
3XXX MARTIN L. KING JR, DR	2,430	2016	$633,986	$240,570	$393,416	163.5%	$7,829
9XX NORTHWIND	3,945	2005	$779,366	$390,555	$388,811	99.6%	$7,737
3XXX 63RD ST	2,014	2014	$584,620	$199,386	$385,234	193.2%	$7,666
2XXX 64TH ST	2,906	2021	$671,218	$287,694	$383,524	133.3%	$7,632
3XXX MARTIN L. KING JR, DR	2,124	2005	$548,065	$210,276	$337,789	160.6%	$6,722
1XXX NORTHWIND	3,017	2005	$634,619	$298,683	$335,936	112.5%	$6,685
3XXX MARTIN L. KING JR, DR	2,268	1997	$549,048	$224,532	$324,516	144.5%	$6,458
8XX NORTHWIND	3,734	1988	$675,245	$369,666	$305,579	82.7%	$6,081
1XXX SOUTHWIND	3,151	1998	$609,388	$311,949	$297,439	95.3%	$5,919
4XX ISLAND WAY	4,036	1993	$685,846	$399,564	$286,282	71.6%	$5,697
9XX SOUTHWIND	3,809	2005	$660,482	$377,091	$283,391	75.2%	$5,639
3XXX MARTIN L. KING JR, DR	3,921	2002	$668,013	$388,179	$279,834	72.1%	$5,569
1XXX NORTHWIND	2,829	1998	$558,993	$280,071	$278,922	99.6%	$5,551
8XX NORTHWIND	3,301	1998	$602,284	$326,799	$275,485	84.3%	$5,482
1XXX SOUTHWIND	2,498	1998	$518,920	$247,302	$271,618	109.8%	$5,405
5XX HIGH SEAS ST	2,604	1992	$528,170	$257,796	$270,374	104.9%	$5,380
8XX NORTHWIND	2,666	2005	$533,446	$263,934	$269,512	102.1%	$5,363
8XX NORTHWIND	3,362	1998	$596,199	$332,838	$263,361	79.1%	$5,241
9XX NORTHWIND	1,849	1988	$432,559	$183,051	$249,508	136.3%	$4,965
9XX NORTHWIND	2,129	1998	$458,509	$210,771	$247,738	117.5%	$4,930
1XXX SOUTHWIND	3,856	1994	$627,662	$381,744	$245,918	64.4%	$4,894
8XX SOUTHWIND	1,602	1991	$396,609	$158,598	$238,011	150.1%	$4,736

Data: HCAD public records, Jefferson County, ZIP 77640. 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. See the full statewide over-assessment study for the methodology behind these numbers.

Is yours one of them?

Past the regular May 15 date, late protests may still be accepted for good cause until the ARB approves the records (typically mid-July), and Jefferson County publishes fresh 2027 values next April. Check your address free now, see if you can still file this year, and when new values drop your $49 iFile-ready protest kit is 30 seconds away.

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