Harris Value

3646 Nathaniel Brown St, Houston, TX 77021

1,615 sqft, built 2020, in South Side Appraised at $292,043 for 2026.

Harris County account 0741510180012

Appraised value
$292,043
Tax year 2026 · after any cap, before exemptions
Living area
1,615 sqft
$181 per sqft
Year built
2020
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 4.4% from $305,336 in 2025 to $292,043 in 2026.
  • Appraised value per square footThe current public record shows about $181 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 694 residential records in the same neighborhood, the average appraised value is about $151 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.5% on average.

Comparable assessments

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

  • 3830 Seabrook St, Houston, TX 77021
    1,607 sqft | $186/sqft | built 2019 | Similar size (1,607 vs 1,615 sqft); Similar age (2019 vs 2020); Similar lot size (5,000 vs 5,000 sqft)
    $298,696
  • 3548 Rebecca St, Houston, TX 77021
    1,588 sqft | $163/sqft | built 2015 | Similar size (1,588 vs 1,615 sqft); Similar age (2015 vs 2020); Similar lot size (5,000 vs 5,000 sqft)
    $258,935
  • 3821 Mainer St, Houston, TX 77021
    1,685 sqft | $185/sqft | built 2021 | Similar size (1,685 vs 1,615 sqft); Similar age (2021 vs 2020); Similar lot size (5,000 vs 5,000 sqft)
    $311,475
  • 6701 Lozier St, Houston, TX 77021
    1,675 sqft | $185/sqft | built 2022 | Similar size (1,675 vs 1,615 sqft); Similar age (2022 vs 2020); Similar lot size (5,150 vs 5,000 sqft)
    $309,372
  • 3606 Nathaniel Brown St, Houston, TX 77021
    1,545 sqft | $173/sqft | built 2014 | Similar size (1,545 vs 1,615 sqft); Similar lot size (5,000 vs 5,000 sqft); Same quality (Average)
    $267,988

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.

  • 3521 Lydia St, Houston, TX 77021
    July-15-2026 | 1,609 sqft | $140/sqft | built 2006 | Similar size (1,609 sqft); Sold after the valuation date
    $224,900
  • 5004 Elizabeth City St, Houston, TX 77021
    September-18-2026 | 1,643 sqft | $154/sqft | built 2025 | Similar size (1,643 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $253,510
  • 6423 Madrid St, Houston, TX 77021
    September-28-2026 | 1,693 sqft | $189/sqft | built 2025 | Similar size (1,693 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $319,990
  • 7010 Sidney St, Houston, TX 77021
    August-10-2026 | 1,585 sqft | $182/sqft | built 2026 | Similar size (1,585 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $289,000
  • 4013 Griggs Rd UNIT I, Houston, TX 77021
    September-24-2026 | 1,795 sqft | $187/sqft | built 2025 | 11% size difference (1,795 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $334,900

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.