Harris Value

3521 Lydia St, Houston, TX 77021

1,609 sqft, built 2006, in South Side Appraised at $211,126 for 2026.

Harris County account 0741520800013

Appraised value
$211,126
Tax year 2026 · after any cap, before exemptions
Market value
$255,424
Living area
1,609 sqft
$131 per sqft
Year built
2006
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 $191,933 in 2025 to $211,126 in 2026.
  • Appraised value per square footThe current public record shows about $131 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $44,298 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 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.

  • 3523 Lydia St, Houston, TX 77021
    1,550 sqft | $165/sqft | built 2006 | Similar size (1,550 vs 1,609 sqft); Built same year (2006); Similar lot size (5,000 vs 5,000 sqft)
    $255,023
  • 3721 Mount Pleasant St, Houston, TX 77021
    1,544 sqft | $170/sqft | built 2006 | Similar size (1,544 vs 1,609 sqft); Built same year (2006); Similar lot size (5,000 vs 5,000 sqft)
    $262,410
  • 6722 Lozier St, Houston, TX 77021
    1,560 sqft | $160/sqft | built 2006 | Similar size (1,560 vs 1,609 sqft); Built same year (2006); Similar lot size (5,150 vs 5,000 sqft)
    $249,950
  • 3548 Rebecca St, Houston, TX 77021
    1,588 sqft | $163/sqft | built 2015 | Similar size (1,588 vs 1,609 sqft); Similar lot size (5,000 vs 5,000 sqft); Same quality (Average)
    $258,935
  • 3830 Seabrook St, Houston, TX 77021
    1,607 sqft | $186/sqft | built 2019 | Similar size (1,607 vs 1,609 sqft); Similar lot size (5,000 vs 5,000 sqft); Same quality (Average)
    $298,696

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.

  • 5004 Elizabeth City St, Houston, TX 77021
    September-18-2026 | 1,643 sqft | $154/sqft | built 2025 | Similar size (1,643 sqft); Sold after the valuation date
    $253,510
  • 6423 Madrid St, Houston, TX 77021
    September-28-2026 | 1,693 sqft | $189/sqft | built 2025 | 5% size difference (1,693 sqft); 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); Sold after the valuation date
    $289,000
  • 3305 Daphne St, Houston, TX 77021
    May-15-2026 | 1,596 sqft | $187/sqft | built 2020 | Similar size (1,596 sqft); Sold after the valuation date
    $299,000
  • 7008 Sidney St, Houston, TX 77021
    June-21-2026 | 1,585 sqft | $182/sqft | built 2026 | Similar size (1,585 sqft); Sold after the valuation date
    $289,000

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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $224,900 sale recorded on July-15-2026