Harris Value

321 S 3rd St, La Porte, TX 77571

1,614 sqft, built 1977 Appraised at $287,276 for 2026.

Harris County account 0231590000011

Appraised value
$287,276
Tax year 2026 · after any cap, before exemptions
Market value
$294,368
Living area
1,614 sqft
$178 per sqft
Year built
1977
Average quality
Homestead
Yes
Owner-occupied exemption on file

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 77571 and HCAD Appraisal Area 2158.00 assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is delivered, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 10.0% from $261,160 in 2025 to $287,276 in 2026.
  • Appraised value per square footThe current public record shows about $178 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $7,092 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77571.
  • Neighborhood value signalAmong 541 residential records in the same neighborhood, the average appraised value is about $142 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +12.5% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 801 S 5th St, La Porte, TX 77571
    1,611 sqft | $130/sqft | built 1966 | Similar size (1,611 vs 1,614 sqft); Similar lot size (10,375 vs 10,938 sqft); Same quality (Average)
    $208,697
  • 601 S 6th St, La Porte, TX 77571
    1,740 sqft | $142/sqft | built 1975 | 8% larger (1,740 vs 1,614 sqft); Similar age (1975 vs 1977); Lot 14% smaller (9,375 vs 10,938 sqft)
    $247,496
  • 821 S 5th St, La Porte, TX 77571
    1,661 sqft | $147/sqft | built 1978 | Similar size (1,661 vs 1,614 sqft); Similar age (1978 vs 1977); Lot 11% smaller (9,750 vs 10,938 sqft)
    $243,667
  • 426 S 6th St, La Porte, TX 77571
    1,592 sqft | $168/sqft | built 1976 | Similar size (1,592 vs 1,614 sqft); Similar age (1976 vs 1977); Lot 14% larger (12,500 vs 10,938 sqft)
    $268,053
  • 931 S 5th St, La Porte, TX 77571
    1,763 sqft | $171/sqft | built 1975 | 9% larger (1,763 vs 1,614 sqft); Similar age (1975 vs 1977); Lot 14% smaller (9,375 vs 10,938 sqft)
    $300,906

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

  • 10306 Rustic Rock Rd, La Porte, TX 77571
    August-11-2026 | 1,519 sqft | $178/sqft | built 1977 | 6% size difference (1,519 sqft); Similar age (1977); Sold after the valuation date
    $270,000
  • 308 San Jacinto St, La Porte, TX 77571
    June-26-2026 | 1,707 sqft | $164/sqft | built 1977 | 6% size difference (1,707 sqft); Similar age (1977); Sold after the valuation date
    $279,999
  • 9811 Rocky Hollow Rd, La Porte, TX 77571
    September-30-2026 | 1,643 sqft | $139/sqft | built 1980 | Similar size (1,643 sqft); Similar age (1980); Sold after the valuation date
    $229,000
  • 9702 Willmont Rd, La Porte, TX 77571
    September-24-2026 | 1,780 sqft | $169/sqft | built 1977 | 10% size difference (1,780 sqft); Similar age (1977); Sold after the valuation date
    $300,000
  • 8518 Ashwyne Ln, La Porte, TX 77571
    August-31-2026 | 1,625 sqft | $138/sqft | built 1975 | Similar size (1,625 sqft); Similar age (1975); Sold after the valuation date
    $225,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.