Harris Value

5003 Marietta Ln, Houston, TX 77021

2,001 sqft, built 1950, in South Side Appraised at $247,598 for 2026.

Harris County account 0611390250034

Appraised value
$247,598
Tax year 2026 · after any cap, before exemptions
Living area
2,001 sqft
$124 per sqft
Year built
1950
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 5.2% from $235,423 in 2025 to $247,598 in 2026.
  • Appraised value per square footThe current public record shows about $124 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 574 residential records in the same neighborhood, the average appraised value is about $138 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.5% on average.

Comparable assessments

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

  • 4902 Gammage St, Houston, TX 77021
    2,038 sqft | $145/sqft | built 1952 | Similar size (2,038 vs 2,001 sqft); Similar age (1952 vs 1950); Similar lot size (7,441 vs 7,500 sqft)
    $296,003
  • 4847 Arvilla Ln, Houston, TX 77021
    2,046 sqft | $137/sqft | built 1946 | Similar size (2,046 vs 2,001 sqft); Similar age (1946 vs 1950); Similar lot size (7,500 vs 7,500 sqft)
    $279,600
  • 5043 Marietta Ln, Houston, TX 77021
    2,008 sqft | $103/sqft | built 1950 | Similar size (2,008 vs 2,001 sqft); Built same year (1950); Similar lot size (7,500 vs 7,500 sqft)
    $207,670
  • 4819 Marietta Ln, Houston, TX 77021
    1,871 sqft | $108/sqft | built 1953 | 6% smaller (1,871 vs 2,001 sqft); Similar age (1953 vs 1950); Similar lot size (7,500 vs 7,500 sqft)
    $202,780
  • 5022 Ventura Ln, Houston, TX 77021
    2,069 sqft | $170/sqft | built 1950 | Similar size (2,069 vs 2,001 sqft); Built same year (1950); Similar lot size (7,860 vs 7,500 sqft)
    $351,291

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.

  • 5130 Cosby St, Houston, TX 77021
    June-23-2026 | 2,061 sqft | $116/sqft | built 1955 | Similar size (2,061 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $240,000
  • 3327 Charleston St, Houston, TX 77021
    July-17-2026 | 2,142 sqft | $163/sqft | built 1940 | 7% size difference (2,142 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $350,000
  • 4914 Gammage St, Houston, TX 77021
    April-9-2026 | 2,110 sqft | $124/sqft | built 1954 | 5% size difference (2,110 sqft); Moderate age difference (4 years newer)
    $262,200
  • 4827 Ventura Ln, Houston, TX 77021
    June-26-2026 | 1,722 sqft | $90/sqft | built 1950 | 14% size difference (1,722 sqft); Similar age (1950); Sold after the valuation date
    $154,900
  • 4522 Dewberry St, Houston, TX 77021
    July-24-2026 | 1,677 sqft | $116/sqft | built 1945 | Moderate age difference (5 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.