Harris Value

3434 Lydia St, Houston, TX 77021

1,080 sqft, built 1950, in South Side Appraised at $113,808 for 2026.

Harris County account 0741520900009

Appraised value
$113,808
Tax year 2026 · after any cap, before exemptions
Market value
$137,494
Living area
1,080 sqft
$105 per sqft
Year built
1950
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 $103,462 in 2025 to $113,808 in 2026.
  • Appraised value per square footThe current public record shows about $105 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $23,686 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 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.

  • 3434 Mainer St, Houston, TX 77021
    1,080 sqft | $127/sqft | built 1950 | Similar size (1,080 vs 1,080 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $137,552
  • 3401 Rebecca St, Houston, TX 77021
    1,081 sqft | $116/sqft | built 1950 | Similar size (1,081 vs 1,080 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $125,071
  • 3442 Lydia St, Houston, TX 77021
    1,088 sqft | $133/sqft | built 1950 | Similar size (1,088 vs 1,080 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $144,282
  • 3449 Seabrook St, Houston, TX 77021
    1,062 sqft | $123/sqft | built 1950 | Similar size (1,062 vs 1,080 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $130,789
  • 3418 Lydia St, Houston, TX 77021
    1,052 sqft | $109/sqft | built 1950 | Similar size (1,052 vs 1,080 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $114,946

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.

  • 3457 Mainer St, Houston, TX 77021
    August-31-2026 | 1,054 sqft | $166/sqft | built 1950 | Similar size (1,054 sqft); Similar age (1950); Sold after the valuation date
    $175,000
  • 6226 Sherwood Dr, Houston, TX 77021
    September-15-2026 | 1,073 sqft | $107/sqft | built 1940 | Similar size (1,073 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $114,900
  • 4914 Yellowstone Blvd, Houston, TX 77021
    August-21-2026 | 1,090 sqft | $146/sqft | built 1955 | Similar size (1,090 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $159,000
  • 6604 Conley St, Houston, TX 77021
    July-7-2026 | 960 sqft | $94/sqft | built 1950 | 11% size difference (960 sqft); Similar age (1950); Sold after the valuation date
    $89,882
  • 3714 Lydia St, Houston, TX 77021
    July-15-2026 | 1,021 sqft | $117/sqft | built 1965 | 6% size difference (1,021 sqft); Sold after the valuation date
    $119,900

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.