Harris Value

5203 Cosby St, Houston, TX 77021

1,482 sqft, built 1949, in South Side Appraised at $135,210 for 2026.

Harris County account 0771020120037

Appraised value
$135,210
Tax year 2026 · after any cap, before exemptions
Living area
1,482 sqft
$91 per sqft
Year built
1949
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 increased 1.6% from $133,113 in 2025 to $135,210 in 2026.
  • Appraised value per square footThe current public record shows about $91 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 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.

  • 5206 Balkin St, Houston, TX 77021
    1,483 sqft | $98/sqft | built 1949 | Similar size (1,483 vs 1,482 sqft); Built same year (1949); Similar lot size (7,205 vs 7,458 sqft)
    $146,058
  • 5206 Enyart St, Houston, TX 77021
    1,535 sqft | $58/sqft | built 1949 | Similar size (1,535 vs 1,482 sqft); Built same year (1949); Similar lot size (7,336 vs 7,458 sqft)
    $88,968
  • 5315 Browncroft St, Houston, TX 77021
    1,500 sqft | $94/sqft | built 1950 | Similar size (1,500 vs 1,482 sqft); Similar age (1950 vs 1949); Similar lot size (7,810 vs 7,458 sqft)
    $141,729
  • 6127 Cavanaugh St, Houston, TX 77021
    1,464 sqft | $87/sqft | built 1950 | Similar size (1,464 vs 1,482 sqft); Similar age (1950 vs 1949); Similar lot size (7,850 vs 7,458 sqft)
    $127,992
  • 5202 Enyart St, Houston, TX 77021
    1,539 sqft | $82/sqft | built 1949 | Similar size (1,539 vs 1,482 sqft); Built same year (1949); Similar lot size (7,205 vs 7,458 sqft)
    $126,753

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.

  • 5501 Milart St, Houston, TX 77021
    September-25-2026 | 1,464 sqft | $95/sqft | built 1949 | Similar size (1,464 sqft); Similar age (1949); Sold after the valuation date
    $139,000
  • 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
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | 7% size difference (1,380 sqft); Similar age (1950); Sold after the valuation date
    $240,000
  • 6723 London St, Houston, TX 77021
    August-20-2026 | 1,538 sqft | $47/sqft | built 1950 | Similar size (1,538 sqft); Similar age (1950); Sold after the valuation date
    $73,000
  • 7108 Eastwood St, Houston, TX 77021
    August-11-2026 | 1,326 sqft | $132/sqft | built 1949 | 10% size difference (1,326 sqft); Similar age (1949); 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.