Harris Value

5263 Cosby St, Houston, TX 77021

1,736 sqft, built 1949, in South Side Appraised at $109,133 for 2026.

Harris County account 0771020120022

Appraised value
$109,133
Tax year 2026 · after any cap, before exemptions
Market value
$123,460
Living area
1,736 sqft
$63 per sqft
Year built
1949
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 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 increased 10.0% from $99,212 in 2025 to $109,133 in 2026.
  • Appraised value per square footThe current public record shows about $63 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $14,327 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the South Side neighborhood and ZIP 77021.
  • Neighborhood value signalAmong 358 residential records in the same neighborhood, the average appraised value is about $120 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.8% on average.

Comparable assessments

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

  • 6105 Cavanaugh St, Houston, TX 77021
    1,700 sqft | $84/sqft | built 1951 | Similar size (1,700 vs 1,736 sqft); Similar age (1951 vs 1949); Similar lot size (6,492 vs 5,950 sqft)
    $142,212
  • 5246 Cosby St, Houston, TX 77021
    1,575 sqft | $94/sqft | built 1949 | 9% smaller (1,575 vs 1,736 sqft); Built same year (1949); Similar lot size (6,213 vs 5,950 sqft)
    $148,790
  • 5303 Kingsbury St, Houston, TX 77021
    1,639 sqft | $82/sqft | built 1950 | 6% smaller (1,639 vs 1,736 sqft); Similar age (1950 vs 1949); Lot 11% larger (6,589 vs 5,950 sqft)
    $134,938
  • 5206 Dewberry St, Houston, TX 77021
    1,834 sqft | $71/sqft | built 1950 | 6% larger (1,834 vs 1,736 sqft); Similar age (1950 vs 1949); Lot 11% larger (6,600 vs 5,950 sqft)
    $130,639
  • 5227 Cosby St, Houston, TX 77021
    1,648 sqft | $83/sqft | built 1949 | 5% smaller (1,648 vs 1,736 sqft); Built same year (1949); Lot 14% larger (6,782 vs 5,950 sqft)
    $136,660

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.

  • 7019 Sherwood Dr, Houston, TX 77021
    September-22-2026 | 1,532 sqft | $75/sqft | built 1950 | 12% size difference (1,532 sqft); Similar age (1950); Sold after the valuation date
    $114,900
  • 4522 Dewberry St, Houston, TX 77021
    July-24-2026 | 1,677 sqft | $116/sqft | built 1945 | Similar size (1,677 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $195,000
  • 5118 Cortelyou Ln, Houston, TX 77021
    June-16-2026 | 1,607 sqft | $106/sqft | built 1950 | 7% size difference (1,607 sqft); Similar age (1950); Sold after the valuation date
    $169,900
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | Similar age (1950); Sold after the valuation date
    $240,000
  • 4827 Ventura Ln, Houston, TX 77021
    June-26-2026 | 1,722 sqft | $90/sqft | built 1950 | Similar size (1,722 sqft); Similar age (1950); Sold after the valuation date
    $154,900

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.