Harris Value

423 Gammon Dr, Houston, TX 77022

832 sqft, built 1954, in Northside Appraised at $160,949 for 2026.

Harris County account 0800810000013

Appraised value
$160,949
Tax year 2026 · after any cap, before exemptions
Living area
832 sqft
$193 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 77022 and Northside 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 2.3% from $164,761 in 2025 to $160,949 in 2026.
  • Appraised value per square footThe current public record shows about $193 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northside neighborhood and ZIP 77022.
  • Neighborhood value signalAmong 653 residential records in the same neighborhood, the average appraised value is about $146 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.8% on average.

Comparable assessments

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

  • 434 Gammon Dr, Houston, TX 77022
    836 sqft | $196/sqft | built 1955 | Similar size (836 vs 832 sqft); Similar age (1955 vs 1954); Similar lot size (6,900 vs 6,900 sqft)
    $163,457
  • 410 Gammon Dr, Houston, TX 77022
    804 sqft | $177/sqft | built 1955 | Similar size (804 vs 832 sqft); Similar age (1955 vs 1954); Similar lot size (6,960 vs 6,900 sqft)
    $142,031
  • 435 Gammon Dr, Houston, TX 77022
    904 sqft | $184/sqft | built 1955 | 9% larger (904 vs 832 sqft); Similar age (1955 vs 1954); Similar lot size (6,900 vs 6,900 sqft)
    $165,960
  • 426 E Delz Dr, Houston, TX 77022
    912 sqft | $96/sqft | built 1955 | 10% larger (912 vs 832 sqft); Similar age (1955 vs 1954); Similar lot size (6,900 vs 6,900 sqft)
    $87,519
  • 346 E Delz Dr, Houston, TX 77022
    817 sqft | $202/sqft | built 1956 | Similar size (817 vs 832 sqft); Similar age (1956 vs 1954); Lot 12% larger (7,740 vs 6,900 sqft)
    $165,042

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.

  • 1414 E 32nd 1/2 St, Houston, TX 77022
    September-11-2026 | 874 sqft | $160/sqft | built 1935 | 5% size difference (874 sqft); Sold after the valuation date
    $140,000
  • 129 Garrotsville St, Houston, TX 77022
    May-22-2026 | 756 sqft | $205/sqft | built 1946 | 9% size difference (756 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $155,000
  • 609 Firnat St, Houston, TX 77022
    April-11-2026 | 840 sqft | $214/sqft | built 1959 | Similar size (840 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $180,000
  • 64 Neyland St, Houston, TX 77022
    June-2-2026 | 720 sqft | $188/sqft | built 1944 | 14% size difference (720 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $135,000
  • 241 Norview Dr, Houston, TX 77022
    June-30-2026 | 1,044 sqft | $216/sqft | built 1955 | Similar age (1955); Sold after the valuation date
    $225,000

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.