Harris Value

6424 Mercer St, Houston, TX 77005

4,402 sqft, built 1990 Appraised at $2,098,675 for 2026.

Harris County account 0393170000003

Appraised value
$2,098,675
Tax year 2026 · after any cap, before exemptions
Living area
4,402 sqft
$477 per sqft
Year built
1990
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 7.7% from $1,949,029 in 2025 to $2,098,675 in 2026.
  • Appraised value per square footThe current public record shows about $477 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.

  • 6514 Mercer St, Houston, TX 77005
    4,146 sqft | $510/sqft | built 1992 | 6% smaller (4,146 vs 4,402 sqft); Similar age (1992 vs 1990); Similar lot size (6,500 vs 6,512 sqft)
    $2,115,559
  • 6502 Mercer St, Houston, TX 77005
    3,953 sqft | $468/sqft | built 1990 | 10% smaller (3,953 vs 4,402 sqft); Built same year (1990); Similar lot size (6,500 vs 6,512 sqft)
    $1,848,259
  • 6341 Mercer St, Houston, TX 77005
    4,358 sqft | $505/sqft | built 1983 | Similar size (4,358 vs 4,402 sqft); Lot 15% larger (7,500 vs 6,512 sqft); Same quality (Excellent)
    $2,199,850
  • 3604 Carnegie St, Houston, TX 77005
    4,098 sqft | $456/sqft | built 1990 | 7% smaller (4,098 vs 4,402 sqft); Built same year (1990); Similar lot size (6,500 vs 6,512 sqft)
    $1,870,000
  • 6703 Rutgers Ave, Houston, TX 77005
    4,200 sqft | $480/sqft | built 1991 | Similar size (4,200 vs 4,402 sqft); Similar age (1991 vs 1990); Similar lot size (6,300 vs 6,512 sqft)
    $2,014,094

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.

  • 1919 Albans Rd, Houston, TX 77005
    August-29-2026 | 4,548 sqft | $491/sqft | built 1991 | Similar size (4,548 sqft); Similar age (1991); Sold after the valuation date
    $2,235,000
  • 6554 Auden St, Houston, TX 77005
    August-25-2026 | 4,527 sqft | $552/sqft | built 1993 | Similar size (4,527 sqft); Similar age (1993); Sold after the valuation date
    $2,499,000
  • 4220 Riley St, Houston, TX 77005
    June-29-2026 | 4,493 sqft | $506/sqft | built 1999 | Similar size (4,493 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $2,275,000
  • 3925 Arnold St, Houston, TX 77005
    September-28-2026 | 3,960 sqft | $529/sqft | built 2001 | 10% size difference (3,960 sqft); Sold after the valuation date
    $2,095,000
  • 3754 Carlon St, Houston, TX 77005
    June-9-2026 | 4,375 sqft | $623/sqft | built 1994 | Similar size (4,375 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $2,725,000

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.