Harris Value

4927 Cosby St, Houston, TX 77021

1,466 sqft, built 1950, in South Side Appraised at $120,859 for 2026.

Harris County account 0771030150400

Appraised value
$120,859
Tax year 2026 · after any cap, before exemptions
Living area
1,466 sqft
$82 per sqft
Year built
1950
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 8.3% from $131,867 in 2025 to $120,859 in 2026.
  • Appraised value per square footThe current public record shows about $82 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 584 residential records in the same neighborhood, the average appraised value is about $105 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.2% on average.

Comparable assessments

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

  • 6026 Lisa Ln, Houston, TX 77021
    1,432 sqft | $72/sqft | built 1950 | Similar size (1,432 vs 1,466 sqft); Built same year (1950); Similar lot size (6,300 vs 6,325 sqft)
    $102,542
  • 4911 Kelso St, Houston, TX 77021
    1,452 sqft | $136/sqft | built 1952 | Similar size (1,452 vs 1,466 sqft); Similar age (1952 vs 1950); Similar lot size (6,380 vs 6,325 sqft)
    $197,611
  • 5123 Kingsbury St, Houston, TX 77021
    1,472 sqft | $73/sqft | built 1950 | Similar size (1,472 vs 1,466 sqft); Built same year (1950); Similar lot size (6,600 vs 6,325 sqft)
    $107,651
  • 5127 Hull St, Houston, TX 77021
    1,484 sqft | $79/sqft | built 1950 | Similar size (1,484 vs 1,466 sqft); Built same year (1950); Similar lot size (6,600 vs 6,325 sqft)
    $116,958
  • 4926 Enyart St, Houston, TX 77021
    1,438 sqft | $77/sqft | built 1950 | Similar size (1,438 vs 1,466 sqft); Built same year (1950); Similar lot size (6,534 vs 6,325 sqft)
    $110,499

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.

  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | 6% size difference (1,380 sqft); Similar age (1950); Sold after the valuation date
    $240,000
  • 7019 Sherwood Dr, Houston, TX 77021
    September-22-2026 | 1,532 sqft | $75/sqft | built 1950 | Similar size (1,532 sqft); Similar age (1950); Sold after the valuation date
    $114,900
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | 6% size difference (1,376 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $213,000
  • 5107 Kingsbury St, Houston, TX 77021
    September-4-2026 | 1,328 sqft | $169/sqft | built 1951 | 9% size difference (1,328 sqft); Similar age (1951); Sold after the valuation date
    $225,000
  • 5135 Balkin St, Houston, TX 77021
    August-24-2026 | 1,376 sqft | $124/sqft | built 1955 | 6% size difference (1,376 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $169,990

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.