Harris Value

12531 Blackstone Ct, Houston, TX 77077

3,036 sqft, built 1966, in Briar Forest Appraised at $523,545 for 2026.

Harris County account 0990020000020

Appraised value
$523,545
Tax year 2026 · after any cap, before exemptions
Living area
3,036 sqft
$172 per sqft
Year built
1966
Good quality

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 77077 and Briar Forest 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 2.6% from $510,223 in 2025 to $523,545 in 2026.
  • Appraised value per square footThe current public record shows about $172 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Briar Forest neighborhood and ZIP 77077.
  • Neighborhood value signalAmong 444 residential records in the same neighborhood, the average appraised value is about $174 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.2% on average.

Comparable assessments

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

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.

  • 12518 Honeywood Trl, Houston, TX 77077
    August-7-2026 | 2,887 sqft | $190/sqft | built 1966 | Similar size (2,887 sqft); Similar age (1966); Sold after the valuation date
    $549,000
  • 12035 Riverview Dr, Houston, TX 77077
    July-31-2026 | 2,982 sqft | $234/sqft | built 1975 | Similar size (2,982 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $698,500
  • 12559 Westerley Ln, Houston, TX 77077
    May-22-2026 | 3,319 sqft | $205/sqft | built 1966 | 9% size difference (3,319 sqft); Similar age (1966); Sold after the valuation date
    $680,000
  • 1702 Beech Bend Dr, Houston, TX 77077
    September-10-2026 | 3,234 sqft | $142/sqft | built 1975 | 6% size difference (3,234 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $460,000
  • 13802 Menasco Ct, Houston, TX 77077
    July-31-2026 | 3,148 sqft | $199/sqft | built 1977 | Similar size (3,148 sqft); Sold after the valuation date
    $625,000

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.