Harris Value

520 Blalock Rd, Houston, TX 77024

9,147 sqft, built 1999, in Westside Appraised at $3,509,000 for 2026.

Harris County account 0854130000005

Appraised value
$3,509,000
Tax year 2026 · after any cap, before exemptions
Market value
$3,962,358
Living area
9,147 sqft
$384 per sqft
Year built
1999
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 77024, Westside, and Memorial 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 $3,190,000 in 2025 to $3,509,000 in 2026.
  • Appraised value per square footThe current public record shows about $384 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $453,358 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Westside neighborhood and ZIP 77024.
  • Neighborhood value signalAmong 463 residential records in the same neighborhood, the average appraised value is about $553 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +11.4% on average.

Comparable assessments

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

  • 2 Wexford Ct, Houston, TX 77024
    9,001 sqft | $380/sqft | built 1995 | Similar size (9,001 vs 9,147 sqft); Similar age (1995 vs 1999); Similar lot size (40,014 vs 40,002 sqft)
    $3,420,417
  • 1 Baker Cv, Houston, TX 77024
    8,823 sqft | $449/sqft | built 1997 | Similar size (8,823 vs 9,147 sqft); Similar age (1997 vs 1999); Similar lot size (39,682 vs 40,002 sqft)
    $3,964,101
  • 11510 Dunsinane St, Houston, TX 77024
    8,692 sqft | $481/sqft | built 2001 | Similar size (8,692 vs 9,147 sqft); Similar age (2001 vs 1999); Similar lot size (40,605 vs 40,002 sqft)
    $4,180,000
  • 252 Piney Point Rd, Houston, TX 77024
    9,130 sqft | $626/sqft | built 2011 | Similar size (9,130 vs 9,147 sqft); Similar lot size (40,000 vs 40,002 sqft); Same neighborhood
    $5,713,350
  • 11527 Green Oaks Dr, Houston, TX 77024
    8,777 sqft | $575/sqft | built 2006 | Similar size (8,777 vs 9,147 sqft); Similar lot size (39,730 vs 40,002 sqft); Same neighborhood
    $5,047,067

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.

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.