Harris Value

4934 Gammage St, Houston, TX 77021

1,398 sqft, built 1954, in South Side Appraised at $229,794 for 2026.

Harris County account 0700420060009

Appraised value
$229,794
Tax year 2026 · after any cap, before exemptions
Living area
1,398 sqft
$164 per sqft
Year built
1954
Average 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 77021 and South Side 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 decreased 6.2% from $245,070 in 2025 to $229,794 in 2026.
  • Appraised value per square footThe current public record shows about $164 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the South Side neighborhood and ZIP 77021.
  • Neighborhood value signalAmong 574 residential records in the same neighborhood, the average appraised value is about $138 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.5% on average.

Comparable assessments

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

  • 4926 Winfree Dr, Houston, TX 77021
    1,421 sqft | $168/sqft | built 1954 | Similar size (1,421 vs 1,398 sqft); Built same year (1954); Similar lot size (7,200 vs 6,900 sqft)
    $238,314
  • 4935 Culmore Dr, Houston, TX 77021
    1,439 sqft | $138/sqft | built 1953 | Similar size (1,439 vs 1,398 sqft); Similar age (1953 vs 1954); Similar lot size (7,200 vs 6,900 sqft)
    $198,169
  • 4802 Winfree Dr, Houston, TX 77021
    1,398 sqft | $126/sqft | built 1950 | Similar size (1,398 vs 1,398 sqft); Similar age (1950 vs 1954); Similar lot size (7,200 vs 6,900 sqft)
    $176,613
  • 5011 Madalyn Ln, Houston, TX 77021
    1,404 sqft | $117/sqft | built 1952 | Similar size (1,404 vs 1,398 sqft); Similar age (1952 vs 1954); Similar lot size (6,840 vs 6,900 sqft)
    $163,899
  • 4846 Arvilla Ln, Houston, TX 77021
    1,366 sqft | $205/sqft | built 1950 | Similar size (1,366 vs 1,398 sqft); Similar age (1950 vs 1954); Similar lot size (7,500 vs 6,900 sqft)
    $279,684

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.

  • 5135 Balkin St, Houston, TX 77021
    August-24-2026 | 1,376 sqft | $124/sqft | built 1955 | Similar size (1,376 sqft); Similar age (1955); Sold after the valuation date
    $169,990
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | Similar size (1,380 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $240,000
  • 5107 Kingsbury St, Houston, TX 77021
    September-4-2026 | 1,328 sqft | $169/sqft | built 1951 | 5% size difference (1,328 sqft); Similar age (1951); Sold after the valuation date
    $225,000
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | Similar size (1,376 sqft); Sold after the valuation date
    $213,000
  • 7108 Eastwood St, Houston, TX 77021
    August-11-2026 | 1,326 sqft | $132/sqft | built 1949 | 5% size difference (1,326 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $174,888

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.