Harris Value

3430 Lydia St, Houston, TX 77021

1,864 sqft, built 1950, in South Side Appraised at $170,105 for 2026.

Harris County account 0741520900008

Appraised value
$170,105
Tax year 2026 · after any cap, before exemptions
Living area
1,864 sqft
$91 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 0.1% from $169,852 in 2025 to $170,105 in 2026.
  • Appraised value per square footThe current public record shows about $91 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 196 residential records in the same neighborhood, the average appraised value is about $137 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.3% on average.

Comparable assessments

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

  • 3438 Lydia St, Houston, TX 77021
    1,960 sqft | $82/sqft | built 1950 | 5% larger (1,960 vs 1,864 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $161,708
  • 3445 Seabrook St, Houston, TX 77021
    1,796 sqft | $85/sqft | built 1945 | Similar size (1,796 vs 1,864 sqft); Similar age (1945 vs 1950); Similar lot size (5,000 vs 5,000 sqft)
    $151,794
  • 3442 Mount Pleasant St, Houston, TX 77021
    1,974 sqft | $75/sqft | built 1945 | 6% larger (1,974 vs 1,864 sqft); Similar age (1945 vs 1950); Similar lot size (5,000 vs 5,000 sqft)
    $148,976
  • 3441 Lydia St, Houston, TX 77021
    1,650 sqft | $89/sqft | built 1950 | 12% smaller (1,650 vs 1,864 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $146,636
  • 3438 Mainer St, Houston, TX 77021
    1,640 sqft | $93/sqft | built 1950 | 12% smaller (1,640 vs 1,864 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $151,859

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.

  • 7019 Sherwood Dr, Houston, TX 77021
    September-22-2026 | 1,532 sqft | $75/sqft | built 1950 | Similar age (1950); Sold after the valuation date
    $114,900
  • 5118 Cortelyou Ln, Houston, TX 77021
    June-16-2026 | 1,607 sqft | $106/sqft | built 1950 | 14% size difference (1,607 sqft); Similar age (1950); Sold after the valuation date
    $169,900
  • 4522 Dewberry St, Houston, TX 77021
    July-24-2026 | 1,677 sqft | $116/sqft | built 1945 | 10% size difference (1,677 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $195,000
  • 5130 Cosby St, Houston, TX 77021
    June-23-2026 | 2,061 sqft | $116/sqft | built 1955 | 11% size difference (2,061 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $240,000
  • 4810 Winnetka St, Houston, TX 77021
    September-14-2026 | 1,602 sqft | $156/sqft | built 1953 | 14% size difference (1,602 sqft); Similar age (1953); Sold after the valuation date
    $250,000

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.