Harris Value

3650 Mainer St, Houston, TX 77021

1,502 sqft, built 1950, in South Side Appraised at $151,105 for 2026.

Harris County account 0741510380013

Appraised value
$151,105
Tax year 2026 · after any cap, before exemptions
Living area
1,502 sqft
$101 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 decreased 2.5% from $154,989 in 2025 to $151,105 in 2026.
  • Appraised value per square footThe current public record shows about $101 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.

  • 3716 Rebecca St, Houston, TX 77021
    1,474 sqft | $139/sqft | built 1950 | Similar size (1,474 vs 1,502 sqft); Built same year (1950); Similar lot size (5,000 vs 5,000 sqft)
    $205,353
  • 3618 Lydia St, Houston, TX 77021
    1,448 sqft | $134/sqft | built 1946 | Similar size (1,448 vs 1,502 sqft); Similar age (1946 vs 1950); Similar lot size (5,000 vs 5,000 sqft)
    $194,606
  • 6815 Burkett St, Houston, TX 77021
    1,502 sqft | $102/sqft | built 1950 | Similar size (1,502 vs 1,502 sqft); Built same year (1950); Similar lot size (5,150 vs 5,000 sqft)
    $153,685
  • 3720 Lydia St, Houston, TX 77021
    1,506 sqft | $101/sqft | built 1953 | Similar size (1,506 vs 1,502 sqft); Similar age (1953 vs 1950); Similar lot size (5,000 vs 5,000 sqft)
    $151,922
  • 3565 Noah St, Houston, TX 77021
    1,464 sqft | $107/sqft | built 1949 | Similar size (1,464 vs 1,502 sqft); Similar age (1949 vs 1950); Similar lot size (5,000 vs 5,000 sqft)
    $156,476

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 size (1,532 sqft); Similar age (1950); Sold after the valuation date
    $114,900
  • 4935 Enyart St, Houston, TX 77021
    September-21-2026 | 1,380 sqft | $174/sqft | built 1950 | 8% size difference (1,380 sqft); Similar age (1950); Sold after the valuation date
    $240,000
  • 4626 Dewberry St, Houston, TX 77021
    September-30-2026 | 1,376 sqft | $155/sqft | built 1940 | 8% size difference (1,376 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $213,000
  • 5501 Milart St, Houston, TX 77021
    September-25-2026 | 1,464 sqft | $95/sqft | built 1949 | Similar size (1,464 sqft); Similar age (1949); Sold after the valuation date
    $139,000
  • 5107 Kingsbury St, Houston, TX 77021
    September-4-2026 | 1,328 sqft | $169/sqft | built 1951 | 12% size difference (1,328 sqft); Similar age (1951); Sold after the valuation date
    $225,000

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.