PORT ARTHUR, Texas · Jefferson County · public appraisal records

2,724 homes in ZIP 77640 may be over-assessed

We analyzed 6,695 single-family homes in 77640 (PORT ARTHUR, Texas) against comparable homes nearby. About 40.7% are assessed more than 15% above the typical home on their own block — an estimated $5.4M a year in property-tax overpayment. Is yours one of them?

Check my address, free

Free, 30 seconds, no signup, no email. Straight from Jefferson County public records.

40.7%
Homes over-assessed
2,724
Homes flagged
78%
Avg over comps
$5.4M
Est. overpaid / yr

Where over-assessment clusters in 77640

Streets in PORT ARTHUR with the most homes assessed above comparable homes nearby. We show the street and a count only — never a specific address or owner. Enter your address below to see if yours is one of them.

63rd St70 over-assessed homes
Dominion Ranch Dr68 over-assessed homes
62nd St57 over-assessed homes
61st St54 over-assessed homes
58th St49 over-assessed homes
6th St48 over-assessed homes
60th St44 over-assessed homes
10th St43 over-assessed homes

Enter your address to see if yours is one of them

Free instant analysis against comparable homes in 77640. No signup. About 30 seconds.

Check my PORT ARTHUR home, free

Know someone in PORT ARTHUR?

If 40.7% of homes in 77640 are over-assessed, your neighbors probably are too — and most never check. Send them this page.

How we measured this

We compared every single-family home in 77640 to the median comparable home in the same ZIP, using public assessment rolls, and counted a home as over-assessed when it sits more than 15% above that median. This is a ZIP-level screen — it shows where over-assessment is common, not whether any specific home is over-assessed. See the full nationwide methodology and ranking. Data as of June 2026.

Other overtaxed ZIPs in Texas

See all overtaxed ZIP codes →

Frequently asked

How many homes in ZIP 77640 are over-assessed?

In PORT ARTHUR, Texas (ZIP 77640), about 40.7% of single-family homes — roughly 2,724 of the 6,695 we analyzed — are assessed more than 15% above the typical comparable home in the same ZIP. That points to an estimated $5.4M a year in property-tax overpayment across the ZIP.

Does living in 77640 mean my home is over-assessed?

Not necessarily. This is a ZIP-level screen built from public appraisal records — it shows where over-assessment is common, not whether your specific home is over-assessed. The only way to know is a per-home comparison against similar properties, which our free address check does in about 30 seconds.

What can I do if my PORT ARTHUR home is over-assessed?

You can file a property-tax appeal (or "protest") with your county, usually once a year within a filing window. If comparable homes are assessed for less than yours, that's the standard "unequal appraisal" grounds for a reduction. AppealMyTax builds the pre-filled protest kit and appeal letter for $49 flat — sign and submit, and you keep 100% of any savings.