Harris Value

4851 Marietta Ln, Houston, TX 77021

2,016 sqft, built 2020, in South Side Appraised at $355,300 for 2026.

Harris County account 0611390260026

Appraised value
$355,300
Tax year 2026 · after any cap, before exemptions
Market value
$429,831
Living area
2,016 sqft
$176 per sqft
Year built
2020
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 $323,000 in 2025 to $355,300 in 2026.
  • Appraised value per square footThe current public record shows about $176 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $74,531 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 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.

  • 4930 Culmore Dr, Houston, TX 77021
    1,957 sqft | $162/sqft | built 2024 | Similar size (1,957 vs 2,016 sqft); Similar age (2024 vs 2020); Similar lot size (7,963 vs 8,750 sqft)
    $317,094
  • 4814 Eppes St, Houston, TX 77021
    2,102 sqft | $184/sqft | built 2019 | Similar size (2,102 vs 2,016 sqft); Similar age (2019 vs 2020); Lot 11% larger (9,750 vs 8,750 sqft)
    $387,720
  • 5410 Milart St, Houston, TX 77021
    1,790 sqft | $200/sqft | built 2015 | 11% smaller (1,790 vs 2,016 sqft); Similar age (2015 vs 2020); Similar lot size (8,775 vs 8,750 sqft)
    $358,209
  • 4934 Eppes St, Houston, TX 77021
    1,760 sqft | $197/sqft | built 2017 | 13% smaller (1,760 vs 2,016 sqft); Similar age (2017 vs 2020); Similar lot size (9,370 vs 8,750 sqft)
    $346,500
  • 4943 Gammage St, Houston, TX 77021
    1,918 sqft | $156/sqft | built 2005 | Similar size (1,918 vs 2,016 sqft); Similar lot size (7,920 vs 8,750 sqft); Same quality (Average)
    $298,764

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.

  • 4213 Idaho St, Houston, TX 77021
    September-17-2026 | 1,984 sqft | $186/sqft | built 2026 | Similar size (1,984 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $369,000
  • 3347 Kilgore St, Houston, TX 77021
    August-21-2026 | 2,005 sqft | $149/sqft | built 2015 | Similar size (2,005 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $299,000
  • 7108 Saint Augustine St, Houston, TX 77021
    September-4-2026 | 1,932 sqft | $179/sqft | built 2023 | Similar size (1,932 sqft); Similar age (2023); Sold after the valuation date
    $345,000
  • 3735 Lydia St, Houston, TX 77021
    July-22-2026 | 2,018 sqft | $178/sqft | built 2025 | Similar size (2,018 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $359,900
  • 7034 Sherwood Dr, Houston, TX 77021
    May-28-2026 | 2,252 sqft | $149/sqft | built 2013 | 12% size difference (2,252 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $335,000

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.