Harris Value

12519 Blackstone Ct, Houston, TX 77077

2,273 sqft, built 1966, in Briar Forest Appraised at $520,529 for 2026.

Harris County account 0990020000017

Appraised value
$520,529
Tax year 2026 · after any cap, before exemptions
Market value
$546,414
Living area
2,273 sqft
$229 per sqft
Year built
1966
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 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 10.0% from $473,209 in 2025 to $520,529 in 2026.
  • Appraised value per square footThe current public record shows about $229 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $25,885 above the appraised value used on this page.
  • 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.

  • 1018 Ashford Pky, Houston, TX 77077
    2,286 sqft | $189/sqft | built 1966 | Similar size (2,286 vs 2,273 sqft); Built same year (1966); Similar lot size (10,293 vs 9,975 sqft)
    $431,969
  • 12506 Blackstone Ct, Houston, TX 77077
    2,309 sqft | $246/sqft | built 1966 | Similar size (2,309 vs 2,273 sqft); Built same year (1966); Similar lot size (9,680 vs 9,975 sqft)
    $567,318
  • 12530 Westerley Ln, Houston, TX 77077
    2,347 sqft | $215/sqft | built 1966 | Similar size (2,347 vs 2,273 sqft); Built same year (1966); Similar lot size (10,400 vs 9,975 sqft)
    $505,301
  • 12519 Westmere Dr, Houston, TX 77077
    2,272 sqft | $178/sqft | built 1971 | Similar size (2,272 vs 2,273 sqft); Similar age (1971 vs 1966); Similar lot size (10,125 vs 9,975 sqft)
    $403,364
  • 12538 Hazelwood Ln, Houston, TX 77077
    2,262 sqft | $148/sqft | built 1969 | Similar size (2,262 vs 2,273 sqft); Similar age (1969 vs 1966); Similar lot size (10,237 vs 9,975 sqft)
    $334,139

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.

  • 12530 Westerley Ln, Houston, TX 77077
    July-31-2026 | 2,347 sqft | $234/sqft | built 1966 | Similar size (2,347 sqft); Similar age (1966); Sold after the valuation date
    $550,000
  • 12518 Hazelwood Ln, Houston, TX 77077
    September-10-2026 | 2,182 sqft | $236/sqft | built 1967 | Similar size (2,182 sqft); Similar age (1967); Sold after the valuation date
    $515,000
  • 12026 Sugar Springs Dr, Houston, TX 77077
    September-4-2026 | 2,323 sqft | $252/sqft | built 1975 | Similar size (2,323 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $585,000
  • 1027 Arrow Hill Rd, Houston, TX 77077
    August-14-2026 | 2,228 sqft | $166/sqft | built 1977 | Similar size (2,228 sqft); Sold after the valuation date
    $370,000
  • 11319 Olympia Dr, Houston, TX 77077
    September-11-2026 | 2,166 sqft | $145/sqft | built 1977 | Similar size (2,166 sqft); Sold after the valuation date
    $315,000

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.