Harris Value

6814 Madrid St, Houston, TX 77021

1,768 sqft, built 1955, in South Side Appraised at $199,431 for 2026.

Harris County account 0572840230014

Appraised value
$199,431
Tax year 2026 · after any cap, before exemptions
Living area
1,768 sqft
$113 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 increased 5.6% from $188,853 in 2025 to $199,431 in 2026.
  • Appraised value per square footThe current public record shows about $113 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.

  • 6802 Weston St, Houston, TX 77021
    1,771 sqft | $113/sqft | built 1955 | Similar size (1,771 vs 1,768 sqft); Built same year (1955); Similar lot size (10,000 vs 10,000 sqft)
    $199,286
  • 6834 Weston St, Houston, TX 77021
    1,663 sqft | $111/sqft | built 1955 | 6% smaller (1,663 vs 1,768 sqft); Built same year (1955); Similar lot size (10,000 vs 10,000 sqft)
    $184,391
  • 6414 Liverpool St, Houston, TX 77021
    1,425 sqft | $106/sqft | built 1955 | Built same year (1955); Similar lot size (10,000 vs 10,000 sqft); Same quality (Average)
    $151,590
  • 4528 Perry St, Houston, TX 77021
    1,458 sqft | $129/sqft | built 1948 | Similar lot size (10,000 vs 10,000 sqft); Same quality (Average); Same neighborhood
    $188,153
  • 4530 Willowbrook Blvd, Houston, TX 77021
    1,691 sqft | $121/sqft | built 1943 | Similar size (1,691 vs 1,768 sqft); Lot 16% larger (11,622 vs 10,000 sqft); Same quality (Average)
    $204,729

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.

  • 4810 Winnetka St, Houston, TX 77021
    September-14-2026 | 1,602 sqft | $156/sqft | built 1953 | 9% size difference (1,602 sqft); Similar age (1953); Sold after the valuation date
    $250,000
  • 4827 Ventura Ln, Houston, TX 77021
    June-26-2026 | 1,722 sqft | $90/sqft | built 1950 | Similar size (1,722 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $154,900
  • 5251 Perry St, Houston, TX 77021
    July-31-2026 | 1,625 sqft | $108/sqft | built 1951 | 8% size difference (1,625 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $174,999
  • 5501 Milart St, Houston, TX 77021
    September-25-2026 | 1,464 sqft | $95/sqft | built 1949 | Moderate age difference (6 years older); Sold after the valuation date
    $139,000
  • 4522 Dewberry St, Houston, TX 77021
    July-24-2026 | 1,677 sqft | $116/sqft | built 1945 | 5% size difference (1,677 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $195,000

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.