Harris Value

6433 Mercer St, Houston, TX 77005

3,552 sqft, built 1996 Appraised at $2,135,550 for 2026.

Harris County account 0393180000011

Appraised value
$2,135,550
Tax year 2026 · after any cap, before exemptions
Living area
3,552 sqft
$601 per sqft
Year built
1996
Excellent 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 77005, HCAD Appraisal Area 7427.01, and West University 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 8.1% from $1,975,167 in 2025 to $2,135,550 in 2026.
  • Appraised value per square footThe current public record shows about $601 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77005.
  • Neighborhood value signalAmong 404 residential records in the same neighborhood, the average appraised value is about $577 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +11.1% on average.

Comparable assessments

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

  • 6608 Westchester Ave, Houston, TX 77005
    3,610 sqft | $587/sqft | built 1992 | Similar size (3,610 vs 3,552 sqft); Similar age (1992 vs 1996); Similar lot size (7,500 vs 7,500 sqft)
    $2,117,486
  • 3221 Carnegie St, Houston, TX 77005
    3,680 sqft | $588/sqft | built 1993 | Similar size (3,680 vs 3,552 sqft); Similar age (1993 vs 1996); Similar lot size (7,500 vs 7,500 sqft)
    $2,162,952
  • 6411 Westchester Ave, Houston, TX 77005
    3,504 sqft | $530/sqft | built 1989 | Similar size (3,504 vs 3,552 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Excellent)
    $1,855,426
  • 6509 Sewanee Ave, Houston, TX 77005
    3,524 sqft | $549/sqft | built 1990 | Similar size (3,524 vs 3,552 sqft); Similar lot size (7,350 vs 7,500 sqft); Same quality (Excellent)
    $1,936,049
  • 6504 Sewanee Ave, Houston, TX 77005
    3,675 sqft | $558/sqft | built 1992 | Similar size (3,675 vs 3,552 sqft); Similar age (1992 vs 1996); Similar lot size (7,500 vs 7,500 sqft)
    $2,051,739

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.

  • 6709 Westchester Ave, Houston, TX 77005
    July-21-2026 | 3,570 sqft | $546/sqft | built 2003 | Similar size (3,570 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $1,949,000
  • 6625 Westchester Ave, Houston, TX 77005
    August-25-2026 | 3,420 sqft | $548/sqft | built 1987 | Similar size (3,420 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $1,875,000
  • 3737 Robinhood St, Houston, TX 77005
    June-29-2026 | 3,489 sqft | $572/sqft | built 1993 | Similar size (3,489 sqft); Similar age (1993); Sold after the valuation date
    $1,995,000
  • 3823 Coleridge St, Houston, TX 77005
    August-18-2026 | 3,540 sqft | $494/sqft | built 2003 | Similar size (3,540 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $1,750,000
  • 3910 Riley St, Houston, TX 77005
    September-10-2026 | 3,692 sqft | $433/sqft | built 1987 | Similar size (3,692 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $1,599,000

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.