Harris Value

4106 Mainer St, Houston, TX 77021

1,228 sqft, built 1982, in South Side Appraised at $170,103 for 2026.

Harris County account 0332300690002

Appraised value
$170,103
Tax year 2026 · after any cap, before exemptions
Living area
1,228 sqft
$139 per sqft
Year built
1982
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 1.6% from $167,500 in 2025 to $170,103 in 2026.
  • Appraised value per square footThe current public record shows about $139 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 692 residential records in the same neighborhood, the average appraised value is about $123 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.7% on average.

Comparable assessments

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

  • 4114 Mainer St, Houston, TX 77021
    1,228 sqft | $128/sqft | built 1982 | Similar size (1,228 vs 1,228 sqft); Built same year (1982); Same quality (Average)
    $157,103
  • 7222 Conley St, Houston, TX 77021
    1,222 sqft | $76/sqft | built 1980 | Similar size (1,222 vs 1,228 sqft); Similar age (1980 vs 1982); Same quality (Average)
    $92,411
  • 7346 Conley St, Houston, TX 77021
    1,342 sqft | $120/sqft | built 1977 | 9% larger (1,342 vs 1,228 sqft); Similar age (1977 vs 1982); Lot 16% smaller (5,393 vs 6,450 sqft)
    $161,350
  • 7124 Foster St, Houston, TX 77021
    1,175 sqft | $149/sqft | built 1992 | Similar size (1,175 vs 1,228 sqft); Lot 20% larger (7,725 vs 6,450 sqft); Same quality (Average)
    $174,588
  • 7343 England St, Houston, TX 77021
    1,364 sqft | $114/sqft | built 1983 | 11% larger (1,364 vs 1,228 sqft); Similar age (1983 vs 1982); Lot 20% larger (7,725 vs 6,450 sqft)
    $156,171

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.

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.