Harris Value

818 W 31st St, Houston, TX 77018

1,074 sqft, built 1939, in Central Northwest Appraised at $608,635 for 2026.

Harris County account 0660450170008

Appraised value
$608,635
Tax year 2026 · after any cap, before exemptions
Market value
$666,214
Living area
1,074 sqft
$567 per sqft
Year built
1939
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 77018 and Central Northwest 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 $553,305 in 2025 to $608,635 in 2026.
  • Appraised value per square footThe current public record shows about $567 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $57,579 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Central Northwest neighborhood and ZIP 77018.
  • Neighborhood value signalAmong 77 residential records in the same neighborhood, the average appraised value is about $354 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +13.6% on average.

Comparable assessments

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

  • 825 W 31st St, Houston, TX 77018
    1,100 sqft | $640/sqft | built 1940 | Similar size (1,100 vs 1,074 sqft); Similar age (1940 vs 1939); Lot 10% larger (15,412 vs 14,000 sqft)
    $703,503
  • 801 W 30th St, Houston, TX 77018
    1,192 sqft | $449/sqft | built 1949 | 11% larger (1,192 vs 1,074 sqft); Similar lot size (15,000 vs 14,000 sqft); Same quality (Average)
    $534,855
  • 818 W 32nd St, Houston, TX 77018
    1,267 sqft | $446/sqft | built 1940 | Similar age (1940 vs 1939); Similar lot size (14,000 vs 14,000 sqft); Same quality (Average)
    $564,637
  • 701 W 34th St, Houston, TX 77018
    1,216 sqft | $417/sqft | built 1938 | 13% larger (1,216 vs 1,074 sqft); Similar age (1938 vs 1939); Lot 17% smaller (11,625 vs 14,000 sqft)
    $506,803
  • 810 W 32nd St, Houston, TX 77018
    1,344 sqft | $438/sqft | built 1949 | Similar lot size (14,000 vs 14,000 sqft); Same quality (Average); Same neighborhood
    $588,124

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.

  • 1070 W 43rd St, Houston, TX 77018
    September-17-2026 | 1,208 sqft | $360/sqft | built 1946 | 12% size difference (1,208 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $435,000
  • 1067 W 43rd St, Houston, TX 77018
    September-29-2026 | 1,148 sqft | $348/sqft | built 1946 | 7% size difference (1,148 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $399,000
  • 4105 Ella Blvd, Houston, TX 77018
    June-26-2026 | 1,073 sqft | $279/sqft | built 1947 | Similar size (1,073 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $299,000
  • 1038 Lamonte Ln, Houston, TX 77018
    July-16-2026 | 1,031 sqft | $485/sqft | built 1946 | Similar size (1,031 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $500,000
  • 902 W 42nd St, Houston, TX 77018
    September-21-2026 | 1,254 sqft | $387/sqft | built 1941 | Similar age (1941); Sold after the valuation date
    $485,000

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.