Harris Value

6402 Mercer St, Houston, TX 77005

3,815 sqft, built 1998 Appraised at $1,974,214 for 2026.

Harris County account 0393170000006

Appraised value
$1,974,214
Tax year 2026 · after any cap, before exemptions
Market value
$2,126,144
Living area
3,815 sqft
$517 per sqft
Year built
1998
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 $1,794,740 in 2025 to $1,974,214 in 2026.
  • Appraised value per square footThe current public record shows about $517 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $151,930 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.

  • 6329 Sewanee Ave, Houston, TX 77005
    3,932 sqft | $568/sqft | built 1997 | Similar size (3,932 vs 3,815 sqft); Similar age (1997 vs 1998); Lot 15% larger (7,500 vs 6,500 sqft)
    $2,232,253
  • 3511 Cason St, Houston, TX 77005
    3,855 sqft | $596/sqft | built 2005 | Similar size (3,855 vs 3,815 sqft); Lot 15% smaller (5,500 vs 6,500 sqft); Same neighborhood
    $2,298,056
  • 6512 Rutgers Ave, Houston, TX 77005
    3,900 sqft | $576/sqft | built 2004 | Similar size (3,900 vs 3,815 sqft); Lot 15% larger (7,500 vs 6,500 sqft); Same neighborhood
    $2,245,155
  • 6348 Westchester Ave, Houston, TX 77005
    4,268 sqft | $576/sqft | built 1999 | 12% larger (4,268 vs 3,815 sqft); Similar age (1999 vs 1998); Lot 15% larger (7,500 vs 6,500 sqft)
    $2,459,025
  • 6441 Mercer St, Houston, TX 77005
    4,180 sqft | $522/sqft | built 1993 | 10% larger (4,180 vs 3,815 sqft); Similar age (1993 vs 1998); Lot 15% larger (7,500 vs 6,500 sqft)
    $2,182,493

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.

  • 4125 Riley St, Houston, TX 77005
    June-29-2026 | 3,694 sqft | $486/sqft | built 1998 | Similar size (3,694 sqft); Similar age (1998); Sold after the valuation date
    $1,795,000
  • 3910 Riley St, Houston, TX 77005
    September-10-2026 | 3,692 sqft | $433/sqft | built 1987 | Similar size (3,692 sqft); Sold after the valuation date
    $1,599,000
  • 4248 Sunset Blvd, Houston, TX 77005
    July-17-2026 | 3,926 sqft | $380/sqft | built 1998 | Similar size (3,926 sqft); Similar age (1998); Sold after the valuation date
    $1,490,000
  • 4010 Milton St, Houston, TX 77005
    July-24-2026 | 3,996 sqft | $482/sqft | built 2005 | Similar size (3,996 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $1,925,000
  • 4260 Emory Ave, Houston, TX 77005
    July-17-2026 | 3,928 sqft | $433/sqft | built 2003 | Similar size (3,928 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $1,699,000

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.