Harris Value

4730 Marietta Ln, Houston, TX 77021

2,209 sqft, built 1950, in South Side Appraised at $268,440 for 2026.

Harris County account 0611390320008

Appraised value
$268,440
Tax year 2026 · after any cap, before exemptions
Living area
2,209 sqft
$122 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 decreased 3.2% from $277,368 in 2025 to $268,440 in 2026.
  • Appraised value per square footThe current public record shows about $122 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.

  • 5038 Arvilla Ln, Houston, TX 77021
    2,168 sqft | $129/sqft | built 1949 | Similar size (2,168 vs 2,209 sqft); Similar age (1949 vs 1950); Similar lot size (7,500 vs 7,425 sqft)
    $279,936
  • 5019 Madalyn Ln, Houston, TX 77021
    2,259 sqft | $137/sqft | built 1952 | Similar size (2,259 vs 2,209 sqft); Similar age (1952 vs 1950); Similar lot size (7,440 vs 7,425 sqft)
    $309,425
  • 4711 Winnetka St, Houston, TX 77021
    2,188 sqft | $87/sqft | built 1950 | Similar size (2,188 vs 2,209 sqft); Built same year (1950); Similar lot size (7,140 vs 7,425 sqft)
    $190,271
  • 5015 Madalyn Ln, Houston, TX 77021
    2,183 sqft | $86/sqft | built 1952 | Similar size (2,183 vs 2,209 sqft); Similar age (1952 vs 1950); Similar lot size (7,140 vs 7,425 sqft)
    $187,377
  • 4823 Marietta Ln, Houston, TX 77021
    2,340 sqft | $150/sqft | built 1952 | 6% larger (2,340 vs 2,209 sqft); Similar age (1952 vs 1950); Similar lot size (7,500 vs 7,425 sqft)
    $350,387

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.

  • 3327 Charleston St, Houston, TX 77021
    July-17-2026 | 2,142 sqft | $163/sqft | built 1940 | Similar size (2,142 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $350,000
  • 5130 Cosby St, Houston, TX 77021
    June-23-2026 | 2,061 sqft | $116/sqft | built 1955 | 7% size difference (2,061 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $240,000
  • 3727 Yosemite St, Houston, TX 77021
    June-26-2026 | 2,184 sqft | $82/sqft | built 1940 | Similar size (2,184 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $179,900
  • 4914 Gammage St, Houston, TX 77021
    April-9-2026 | 2,110 sqft | $124/sqft | built 1954 | Similar size (2,110 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $262,200
  • 3702 Charleston St, Houston, TX 77021
    July-23-2026 | 2,295 sqft | $244/sqft | built 1950 | Similar size (2,295 sqft); Similar age (1950); Sold after the valuation date
    $560,000

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.