Harris Value

4518 Keystone St, Houston, TX 77021

1,274 sqft, built 1945, in South Side Appraised at $113,350 for 2026.

Harris County account 0691050070009

Appraised value
$113,350
Tax year 2026 · after any cap, before exemptions
Market value
$147,920
Living area
1,274 sqft
$89 per sqft
Year built
1945
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 $103,046 in 2025 to $113,350 in 2026.
  • Appraised value per square footThe current public record shows about $89 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $34,570 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 547 residential records in the same neighborhood, the average appraised value is about $140 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +13.7% on average.

Comparable assessments

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

  • 4529 Dewberry St, Houston, TX 77021
    1,259 sqft | $81/sqft | built 1945 | Similar size (1,259 vs 1,274 sqft); Built same year (1945); Similar lot size (6,794 vs 6,754 sqft)
    $102,040
  • 4517 Dewberry St, Houston, TX 77021
    1,280 sqft | $119/sqft | built 1945 | Similar size (1,280 vs 1,274 sqft); Built same year (1945); Similar lot size (6,999 vs 6,754 sqft)
    $152,230
  • 4623 Dewberry St, Houston, TX 77021
    1,347 sqft | $86/sqft | built 1940 | 6% larger (1,347 vs 1,274 sqft); Similar age (1940 vs 1945); Similar lot size (6,540 vs 6,754 sqft)
    $115,817
  • 4524 Dixie Dr, Houston, TX 77021
    1,305 sqft | $155/sqft | built 1941 | Similar size (1,305 vs 1,274 sqft); Similar age (1941 vs 1945); Similar lot size (6,783 vs 6,754 sqft)
    $202,700
  • 4513 Dewberry St, Houston, TX 77021
    1,278 sqft | $94/sqft | built 1944 | Similar size (1,278 vs 1,274 sqft); Similar age (1944 vs 1945); Similar lot size (6,498 vs 6,754 sqft)
    $120,690

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.

  • 5107 Kingsbury St, Houston, TX 77021
    September-4-2026 | 1,328 sqft | $169/sqft | built 1951 | Similar size (1,328 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $225,000
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | 8% size difference (1,380 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $240,000
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | 8% size difference (1,376 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $213,000
  • 5026 Marietta Ln, Houston, TX 77021
    August-18-2026 | 1,232 sqft | $114/sqft | built 1950 | Similar size (1,232 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $140,000
  • 7108 Eastwood St, Houston, TX 77021
    August-11-2026 | 1,326 sqft | $132/sqft | built 1949 | Similar size (1,326 sqft); Moderate age difference (4 years newer); 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.