Harris Value

521 Merrill St, Houston, TX 77009

1,260 sqft, built 1925, in Northside Appraised at $730,075 for 2026.

Harris County account 0532190000004

Appraised value
$730,075
Tax year 2026 · after any cap, before exemptions
Market value
$802,581
Living area
1,260 sqft
$579 per sqft
Year built
1925
Average 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 77009, Northside, and The Heights 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 $663,705 in 2025 to $730,075 in 2026.
  • Appraised value per square footThe current public record shows about $579 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $72,506 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside neighborhood and ZIP 77009.
  • Neighborhood value signalAmong 436 residential records in the same neighborhood, the average appraised value is about $492 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.3% on average.

Comparable assessments

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

  • 617 Teetshorn St, Houston, TX 77009
    1,327 sqft | $611/sqft | built 1925 | 5% larger (1,327 vs 1,260 sqft); Built same year (1925); Similar lot size (5,784 vs 5,796 sqft)
    $811,264
  • 416 Pecore St, Houston, TX 77009
    1,274 sqft | $604/sqft | built 1925 | Similar size (1,274 vs 1,260 sqft); Built same year (1925); Similar lot size (6,350 vs 5,796 sqft)
    $770,000
  • 702 Redan St, Houston, TX 77009
    1,230 sqft | $657/sqft | built 1920 | Similar size (1,230 vs 1,260 sqft); Similar age (1920 vs 1925); Similar lot size (6,250 vs 5,796 sqft)
    $808,500
  • 729 Usener St, Houston, TX 77009
    1,334 sqft | $556/sqft | built 1925 | 6% larger (1,334 vs 1,260 sqft); Built same year (1925); Similar lot size (5,330 vs 5,796 sqft)
    $742,106
  • 2715 Beauchamp St, Houston, TX 77009
    1,366 sqft | $540/sqft | built 1926 | 8% larger (1,366 vs 1,260 sqft); Similar age (1926 vs 1925); Similar lot size (6,000 vs 5,796 sqft)
    $737,537

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.

  • 824 W Melwood St, Houston, TX 77009
    August-7-2026 | 1,302 sqft | $530/sqft | built 1928 | Similar size (1,302 sqft); Similar age (1928); Sold after the valuation date
    $689,900
  • 203 Archer St, Houston, TX 77009
    September-1-2026 | 1,300 sqft | $385/sqft | built 1920 | Similar size (1,300 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $499,999
  • 3818 Hardy St, Houston, TX 77009
    September-18-2026 | 1,272 sqft | $138/sqft | built 1938 | Similar size (1,272 sqft); Sold after the valuation date
    $175,000
  • 726 E 26th St, Houston, TX 77009
    June-16-2026 | 1,280 sqft | $387/sqft | built 1925 | Similar size (1,280 sqft); Similar age (1925); Sold after the valuation date
    $495,000
  • 912 Robbie St, Houston, TX 77009
    July-22-2026 | 1,134 sqft | $405/sqft | built 1920 | 10% size difference (1,134 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $459,000

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.