77640 Property Tax Rate
Port Arthur, Texas · Part of Jefferson County
Effective Tax Rate
1.31%
59.2% below state avgMedian Annual Tax
$1,277
$106/mo escrow
Estimate Your Tax
Annual Tax
$1,277
Monthly
$106
Eff. Rate
1.31%
Buyer decision brief
What ZIP 77640 means for your housing budget
Use this ZIP page to compare recurring tax burden before you compare listing prices. The numbers below are Census ZCTA estimates, so they are strongest for neighborhood comparison and weakest for parcel-specific tax planning.
Monthly escrow signal
$106/mo
Based on median annual tax paid
State context
0.04 percentage points below the Texas average
Texas average: 1.35%
Data confidence
High confidenceThe Census margin of error is $185, about 14% of the median tax estimate.
Verify before you offer
- Confirm parcel assessed value with Jefferson County assessor.
- Check homestead, senior, veteran, and disability exemptions.
- Ask whether purchase triggers reassessment or value-cap reset.
- Review school district and special assessment boundaries.
Lower-rate similar ZIPs
This is informational content, not tax, legal, or mortgage advice. Local assessor records remain the source of truth for a specific property.
Data confidence ledger
Can you trust ZIP 77640 for comparison?
ACS vintage
2019-2023 ACS 5-Year Estimates
Five-year Census ZCTA estimates.
ZCTA caveat
Census area, not parcel boundary
USPS ZIP routes and taxing districts can differ inside the same area.
Field completeness
3/3 required fields
Median tax, home value, and derived rate are present.
MOE status
Strong ACS confidence
$185 tax MOE, 14% of the median tax estimate.
Last site refresh
March 10, 2026
Dataset and page-quality audit run locally before publication.
County fallback
County advisory available
Jefferson County is used for assessor verification and broader context.
Tax bill anatomy
What can change your actual bill in ZIP 77640
Use the ZIP estimate to compare neighborhoods, then verify these parcel-level inputs before relying on a payment estimate.
Assessed value
The ZCTA median home value is $97,200, but your bill starts with the local assessed value for a specific parcel.
Effective rate
The displayed rate is 1.31%, derived from median tax paid divided by median home value.
Exemptions
Homestead, senior, veteran, disability, and local exemptions can reduce taxable value. Confirm eligibility before estimating escrow.
Reassessment
A purchase can change assessed value depending on Texas and county rules. Ask how sale price affects the next assessment cycle.
Escrow impact
The median tax paid in this ZCTA equals about $106 per month before insurance, HOA dues, or special assessments.
Assessor verification
Jefferson County assessor or tax collector records are the source of truth for parcel taxes, appeal windows, and exemptions.
How ZIP 77640 Compares
Median Annual Property Tax
ZIP 77640
1.31%
Effective rate
Texas Avg
1.35%
Effective rate
National Avg
1.10%
Effective rate
State Ranking
Property Tax Rank in Texas
Lower than 53% of ZIP codes in Texas(47th percentile, 1,654 ZIPs compared)
Property Tax Analysis
Property Tax Insights for ZIP 77640
Property owners in ZIP code 77640 (Port Arthur, Texas) pay a median of $1,277/year in property taxes on homes valued at $97,200. This translates to an effective tax rate of 1.31%, which is near the Texas state average of 1.35%.
The monthly property tax burden for a median-valued home in 77640 is approximately $106, which factors into escrow payments on mortgages. This ZIP code is located within Jefferson County. This is $1,854 less than the Texas average of $3,131/year.
Compared to similar ZIP codes in Texas, 77640 has lower property taxes. ZIP codes with similar effective rates include 77563 (1.31%) and 77705 (1.31%).
In Port Arthur, property taxes represent approximately 2.5% of the median household income of $50,832, providing context for the relative tax burden on homeowners in this area.
Texas imposes no state income tax and caps annual homestead appraisal increases at 10%, but this protection only applies once you file a Homestead Exemption application with the Jefferson County Appraisal District by April 30 of the year following your purchase. The exemption removes a portion of your home's value from school, county, and city tax bills, typically saving homeowners $800–$1,500 annually on a $200K home. Contact the Jefferson County Appraisal District immediately after closing to confirm your exemption status and review your Notice of Appraised Value each spring.
Frequently Asked Questions
What is the property tax rate in ZIP code 77640?
How much are property taxes in Port Arthur, TX (77640)?
How does ZIP 77640 compare to the Texas average?
What is the median home value in ZIP 77640?
What county is ZIP code 77640 in?
Margin of Error
The median property tax estimate for this ZIP code has a margin of error of ±$185. ZCTA-level data has wider margins than county-level estimates due to smaller sample sizes.
County-Level Data
ZIP code 77640 is part of Jefferson County, Texas. View the full county profile for broader context and more data.
View Jefferson County on TaxByCounty →Explore Port Arthur, TX
View all 2 ZIP codes in Port Arthur with property tax comparisons.
View Port Arthur Property Tax Rates →Why compare these ZIPs?
Better comparison set for ZIP 77640
Each ZIP highlights a homebuyer tradeoff: lower rate, stronger value context, shared county rules, city boundary changes, or nearby missing data.
77613
China, TX
0.39 percentage points lower than ZIP 77640.
Rate
0.92%
Tax
$1,848
Quality
89
77703
Beaumont, TX
0.33 percentage points lower than ZIP 77640.
Rate
0.99%
Tax
$959
Quality
90
77629
Nome, TX
0.30 percentage points lower than ZIP 77640.
Rate
1.02%
Tax
$1,734
Quality
84
77701
Beaumont, TX
0.13 percentage points lower than ZIP 77640.
Rate
1.19%
Tax
$939
Quality
96
77622
Hamshire, TX
0.07 percentage points lower than ZIP 77640.
Rate
1.25%
Tax
$2,789
Quality
74
75205
Dallas, TX
0.66 percentage points lower than ZIP 77640.
Rate
0.66%
Tax
$10,001
Quality
82
75225
Dallas, TX
0.64 percentage points lower than ZIP 77640.
Rate
0.67%
Tax
$10,001
Quality
82
77005
Houston, TX
0.58 percentage points lower than ZIP 77640.
Rate
0.74%
Tax
$10,001
Quality
82
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.