Harris Value

503 Avondale St, Houston, TX 77006

2,342 sqft, built 1919, in Montrose Appraised at $869,000 for 2026.

Harris County account 0261280000007

Appraised value
$869,000
Tax year 2026 · after any cap, before exemptions
Market value
$907,495
Living area
2,342 sqft
$371 per sqft
Year built
1919
Good 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 77006, Montrose, and Montrose 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 $790,000 in 2025 to $869,000 in 2026.
  • Appraised value per square footThe current public record shows about $371 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $38,495 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Montrose neighborhood and ZIP 77006.
  • Neighborhood value signalAmong 285 residential records in the same neighborhood, the average appraised value is about $372 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.0% on average.

Comparable assessments

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

  • 611 Harold St, Houston, TX 77006
    2,308 sqft | $441/sqft | built 1928 | Similar size (2,308 vs 2,342 sqft); Similar lot size (6,996 vs 7,000 sqft); Same quality (Good)
    $1,018,080
  • 504 Branard St, Houston, TX 77006
    2,312 sqft | $334/sqft | built 1918 | Similar size (2,312 vs 2,342 sqft); Similar age (1918 vs 1919); Lot 11% smaller (6,250 vs 7,000 sqft)
    $772,782
  • 704 Hawthorne St, Houston, TX 77006
    2,344 sqft | $438/sqft | built 1932 | Similar size (2,344 vs 2,342 sqft); Similar lot size (7,200 vs 7,000 sqft); Same quality (Good)
    $1,025,887
  • 603 Marshall St, Houston, TX 77006
    2,404 sqft | $401/sqft | built 1930 | Similar size (2,404 vs 2,342 sqft); Similar lot size (6,944 vs 7,000 sqft); Same quality (Good)
    $963,383
  • 615 Marshall St, Houston, TX 77006
    2,512 sqft | $461/sqft | built 1917 | 7% larger (2,512 vs 2,342 sqft); Similar age (1917 vs 1919); Similar lot size (7,200 vs 7,000 sqft)
    $1,157,335

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.

  • 110 Stratford St, Houston, TX 77006
    September-28-2026 | 2,318 sqft | $367/sqft | built 1912 | Similar size (2,318 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $849,999
  • 1534 Harold St, Houston, TX 77006
    September-10-2026 | 2,114 sqft | $388/sqft | built 1928 | 10% size difference (2,114 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $820,000
  • 617 Harold St, Houston, TX 77006
    May-27-2026 | 2,380 sqft | $419/sqft | built 1928 | Similar size (2,380 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $998,000
  • 1521 Kipling St, Houston, TX 77006
    October-9-2026 | 1,992 sqft | $439/sqft | built 1935 | 15% size difference (1,992 sqft); Sold after the valuation date
    $875,000
  • 302 W Drew St, Houston, TX 77006
    July-17-2026 | 2,200 sqft | $432/sqft | built 1930 | 6% size difference (2,200 sqft); Sold after the valuation date
    $950,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $1,724,000 sale recorded on August-7-2026