Harris Value

331 Martin St, Houston, TX 77018

2,778 sqft, built 2003, in Northside Appraised at $760,972 for 2026.

Harris County account 0580890000129

Appraised value
$760,972
Tax year 2026 · after any cap, before exemptions
Market value
$1,243,473
Living area
2,778 sqft
$274 per sqft
Year built
2003
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 Northside 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 $691,793 in 2025 to $760,972 in 2026.
  • Appraised value per square footThe current public record shows about $274 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $482,501 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside neighborhood and ZIP 77018.
  • Neighborhood value signalAmong 56 residential records in the same neighborhood, the average appraised value is about $279 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.2% on average.

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.

  • 825 Fisher St, Houston, TX 77018
    September-4-2026 | 2,690 sqft | $257/sqft | built 2007 | Similar size (2,690 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $690,000
  • 1642 Richelieu Ln, Houston, TX 77018
    August-28-2026 | 2,791 sqft | $340/sqft | built 2011 | Similar size (2,791 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $950,000
  • 3803 Brinkman St, Houston, TX 77018
    September-21-2026 | 2,560 sqft | $233/sqft | built 2004 | 8% size difference (2,560 sqft); Similar age (2004); Sold after the valuation date
    $595,500
  • 1618 Du Barry Ln, Houston, TX 77018
    August-19-2026 | 2,650 sqft | $340/sqft | built 2008 | Similar size (2,650 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $900,000
  • 5114 W Lacey Garden Loop, Houston, TX 77018
    September-18-2026 | 2,801 sqft | $196/sqft | built 2019 | Similar size (2,801 sqft); Sold after the valuation date
    $550,000

Comparable assessments

No usable assessment comparisons are available in this data snapshot.

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.