Harris Value

5106 Keystone St, Houston, TX 77021

1,110 sqft, built 1950, in South Side Appraised at $103,719 for 2026.

Harris County account 0771030190495

Appraised value
$103,719
Tax year 2026 · after any cap, before exemptions
Market value
$113,724
Living area
1,110 sqft
$93 per sqft
Year built
1950
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 $94,290 in 2025 to $103,719 in 2026.
  • Appraised value per square footThe current public record shows about $93 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $10,005 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 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.

  • 5150 Perry St, Houston, TX 77021
    1,110 sqft | $98/sqft | built 1950 | Similar size (1,110 vs 1,110 sqft); Built same year (1950); Similar lot size (6,600 vs 6,600 sqft)
    $109,248
  • 5107 Dewberry St, Houston, TX 77021
    1,110 sqft | $103/sqft | built 1950 | Similar size (1,110 vs 1,110 sqft); Built same year (1950); Similar lot size (6,600 vs 6,600 sqft)
    $113,886
  • 5103 Dewberry St, Houston, TX 77021
    1,108 sqft | $98/sqft | built 1950 | Similar size (1,108 vs 1,110 sqft); Built same year (1950); Similar lot size (6,600 vs 6,600 sqft)
    $109,136
  • 5139 Perry St, Houston, TX 77021
    1,107 sqft | $90/sqft | built 1950 | Similar size (1,107 vs 1,110 sqft); Built same year (1950); Similar lot size (6,600 vs 6,600 sqft)
    $99,531
  • 5030 Enyart St, Houston, TX 77021
    1,102 sqft | $89/sqft | built 1950 | Similar size (1,102 vs 1,110 sqft); Built same year (1950); Similar lot size (6,693 vs 6,600 sqft)
    $98,352

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.

  • 4914 Yellowstone Blvd, Houston, TX 77021
    August-21-2026 | 1,090 sqft | $146/sqft | built 1955 | Similar size (1,090 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $159,000
  • 6226 Sherwood Dr, Houston, TX 77021
    September-15-2026 | 1,073 sqft | $107/sqft | built 1940 | Similar size (1,073 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $114,900
  • 5244 Enyart St, Houston, TX 77021
    July-10-2026 | 1,192 sqft | $126/sqft | built 1949 | 7% size difference (1,192 sqft); Similar age (1949); Sold after the valuation date
    $150,000
  • 3457 Mainer St, Houston, TX 77021
    August-31-2026 | 1,054 sqft | $166/sqft | built 1950 | 5% size difference (1,054 sqft); Similar age (1950); Sold after the valuation date
    $175,000
  • 5115 Winnetka St, Houston, TX 77021
    June-24-2026 | 1,086 sqft | $97/sqft | built 1947 | Similar size (1,086 sqft); Similar age (1947); Sold after the valuation date
    $105,000

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.