Harris Value

6739 Madrid St, Houston, TX 77021

1,324 sqft, built 1955, in South Side Appraised at $135,498 for 2026.

Harris County account 0572770090010

Appraised value
$135,498
Tax year 2026 · after any cap, before exemptions
Living area
1,324 sqft
$102 per sqft
Year built
1955
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 1.9% from $138,138 in 2025 to $135,498 in 2026.
  • Appraised value per square footThe current public record shows about $102 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 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.

  • 6826 Weston St, Houston, TX 77021
    1,312 sqft | $82/sqft | built 1955 | Similar size (1,312 vs 1,324 sqft); Built same year (1955); Similar lot size (5,000 vs 5,000 sqft)
    $107,767
  • 6725 Madrid St, Houston, TX 77021
    1,386 sqft | $103/sqft | built 1955 | Similar size (1,386 vs 1,324 sqft); Built same year (1955); Similar lot size (5,000 vs 5,000 sqft)
    $143,055
  • 6718 Weston St, Houston, TX 77021
    1,302 sqft | $106/sqft | built 1955 | Similar size (1,302 vs 1,324 sqft); Built same year (1955); Lot 10% larger (5,500 vs 5,000 sqft)
    $137,905
  • 4619 Idaho St, Houston, TX 77021
    1,416 sqft | $80/sqft | built 1950 | 7% larger (1,416 vs 1,324 sqft); Similar age (1950 vs 1955); Similar lot size (5,000 vs 5,000 sqft)
    $113,879
  • 6729 Madrid St, Houston, TX 77021
    1,299 sqft | $125/sqft | built 1955 | Similar size (1,299 vs 1,324 sqft); Built same year (1955); Similar lot size (5,000 vs 5,000 sqft)
    $162,500

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 (4 years older); Sold after the valuation date
    $225,000
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | Similar size (1,380 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $240,000
  • 5135 Balkin St, Houston, TX 77021
    August-24-2026 | 1,376 sqft | $124/sqft | built 1955 | Similar size (1,376 sqft); Similar age (1955); Sold after the valuation date
    $169,990
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | Similar size (1,376 sqft); Sold after the valuation date
    $213,000
  • 3457 Mainer St, Houston, TX 77021
    August-31-2026 | 1,054 sqft | $166/sqft | built 1950 | Moderate age difference (5 years older); Sold after the valuation date
    $175,000

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.