Harris Value

1003 Thornton Rd, Houston, TX 77018

3,272 sqft, built 1961, in Central Northwest Appraised at $676,390 for 2026.

Harris County account 0953620000251

Appraised value
$676,390
Tax year 2026 · after any cap, before exemptions
Market value
$716,930
Living area
3,272 sqft
$207 per sqft
Year built
1961
Good 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 $614,900 in 2025 to $676,390 in 2026.
  • Appraised value per square footThe current public record shows about $207 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $40,540 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 959 residential records in the same neighborhood, the average appraised value is about $301 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.1% on average.

Comparable assessments

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

  • 4607 Chantilly Cir, Houston, TX 77018
    3,378 sqft | $241/sqft | built 1963 | Similar size (3,378 vs 3,272 sqft); Similar age (1963 vs 1961); Similar lot size (11,550 vs 11,850 sqft)
    $815,744
  • 1056 Candlelight Ln, Houston, TX 77018
    3,208 sqft | $248/sqft | built 1970 | Similar size (3,208 vs 3,272 sqft); Similar lot size (12,100 vs 11,850 sqft); Same quality (Good)
    $796,571
  • 4714 Thornton Cir, Houston, TX 77018
    3,004 sqft | $252/sqft | built 1963 | 8% smaller (3,004 vs 3,272 sqft); Similar age (1963 vs 1961); Similar lot size (11,550 vs 11,850 sqft)
    $755,984
  • 1043 Martin St, Houston, TX 77018
    3,219 sqft | $263/sqft | built 1967 | Similar size (3,219 vs 3,272 sqft); Lot 11% larger (13,125 vs 11,850 sqft); Same quality (Good)
    $845,031
  • 1010 Curtin St, Houston, TX 77018
    3,256 sqft | $270/sqft | built 1963 | Similar size (3,256 vs 3,272 sqft); Similar age (1963 vs 1961); Similar lot size (11,500 vs 11,850 sqft)
    $879,923

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.

  • 1043 Martin St, Houston, TX 77018
    June-17-2026 | 3,219 sqft | $261/sqft | built 1967 | Similar size (3,219 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $840,000
  • 1122 Richelieu Ln, Houston, TX 77018
    July-8-2026 | 2,998 sqft | $332/sqft | built 1965 | 8% size difference (2,998 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $995,000
  • 4902 Clift Haven Dr, Houston, TX 77018
    September-30-2026 | 2,597 sqft | $327/sqft | built 1965 | Moderate age difference (4 years newer); Sold after the valuation date
    $850,000
  • 4615 Golf Dr, Houston, TX 77018
    August-3-2026 | 2,925 sqft | $340/sqft | built 1965 | 11% size difference (2,925 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $995,000
  • 4402 Lorinda Dr, Houston, TX 77018
    June-23-2026 | 3,069 sqft | $279/sqft | built 1960 | 6% size difference (3,069 sqft); Similar age (1960); Sold after the valuation date
    $855,000

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.