Harris Value

6425 Mercer St, Houston, TX 77005

4,100 sqft, built 1988 Appraised at $1,965,040 for 2026.

Harris County account 0393180000010

Appraised value
$1,965,040
Tax year 2026 · after any cap, before exemptions
Market value
$2,088,254
Living area
4,100 sqft
$479 per sqft
Year built
1988
Excellent 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 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 10.0% from $1,786,400 in 2025 to $1,965,040 in 2026.
  • Appraised value per square footThe current public record shows about $479 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $123,214 above the appraised value used on this page.
  • 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.

  • 6328 Sewanee Ave, Houston, TX 77005
    4,138 sqft | $514/sqft | built 1990 | Similar size (4,138 vs 4,100 sqft); Similar age (1990 vs 1988); Similar lot size (7,500 vs 7,500 sqft)
    $2,125,822
  • 6515 Sewanee Ave, Houston, TX 77005
    4,130 sqft | $482/sqft | built 1990 | Similar size (4,130 vs 4,100 sqft); Similar age (1990 vs 1988); Similar lot size (7,350 vs 7,500 sqft)
    $1,992,056
  • 6348 Mercer St, Houston, TX 77005
    3,977 sqft | $552/sqft | built 1987 | Similar size (3,977 vs 4,100 sqft); Similar age (1987 vs 1988); Similar lot size (7,500 vs 7,500 sqft)
    $2,196,565
  • 6621 Sewanee Ave, Houston, TX 77005
    4,184 sqft | $440/sqft | built 1989 | Similar size (4,184 vs 4,100 sqft); Similar age (1989 vs 1988); Similar lot size (7,350 vs 7,500 sqft)
    $1,842,500
  • 6445 Mercer St, Houston, TX 77005
    4,121 sqft | $525/sqft | built 1994 | Similar size (4,121 vs 4,100 sqft); Similar lot size (7,500 vs 7,500 sqft); Same quality (Excellent)
    $2,163,627

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.

  • 6554 Auden St, Houston, TX 77005
    August-25-2026 | 4,527 sqft | $552/sqft | built 1993 | 10% size difference (4,527 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $2,499,000
  • 6625 Westchester Ave, Houston, TX 77005
    August-25-2026 | 3,420 sqft | $548/sqft | built 1987 | Similar age (1987); Sold after the valuation date
    $1,875,000
  • 3754 Carlon St, Houston, TX 77005
    June-9-2026 | 4,375 sqft | $623/sqft | built 1994 | 7% size difference (4,375 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $2,725,000
  • 3910 Riley St, Houston, TX 77005
    September-10-2026 | 3,692 sqft | $433/sqft | built 1987 | 10% size difference (3,692 sqft); Similar age (1987); Sold after the valuation date
    $1,599,000
  • 3903 Purdue St, Houston, TX 77005
    September-22-2026 | 4,540 sqft | $496/sqft | built 2006 | 11% size difference (4,540 sqft); Sold after the valuation date
    $2,250,000

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.