Harris Value

21871 Calvin Rd Huffman, TX 77336

3,165 sqft, built 1980, in Lake Houston Appraised at $584,639 for 2026.

Harris County account 0503480000169

Appraised value
$584,639
Tax year 2026 · after any cap, before exemptions
Living area
3,165 sqft
$185 per sqft
Year built
1980
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 77336 and Lake Houston 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 2.5% from $570,425 in 2025 to $584,639 in 2026.
  • Appraised value per square footThe current public record shows about $185 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lake Houston neighborhood and ZIP 77336.
  • Neighborhood value signalAmong 52 residential records in the same neighborhood, the average appraised value is about $169 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.8% on average.

Comparable assessments

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

  • 1300 Smith Rd Huffman, TX 77336
    3,318 sqft | $120/sqft | built 1979 | Similar size (3,318 vs 3,165 sqft); Similar age (1979 vs 1980); Lot 20% larger (87,120 vs 72,672 sqft)
    $397,595
  • 32292 Roots Down Way New Caney, TX 77357
    3,194 sqft | $86/sqft | built 1990 | Similar size (3,194 vs 3,165 sqft); Lot 20% larger (87,120 vs 72,672 sqft); Similar quality (1 step: Good vs Average)
    $275,977
  • 91 Meyer Rd Huffman, TX 77336
    3,052 sqft | $80/sqft | built 1970 | Similar size (3,052 vs 3,165 sqft); Lot 20% larger (87,120 vs 72,672 sqft); Same quality (Average)
    $244,567
  • 211 Deen Dr Huffman, TX 77336
    2,914 sqft | $197/sqft | built 1984 | 8% smaller (2,914 vs 3,165 sqft); Similar age (1984 vs 1980); Lot 20% larger (87,120 vs 72,672 sqft)
    $575,266
  • 118 Conners Rd Huffman, TX 77336
    3,028 sqft | $110/sqft | built 1975 | Similar size (3,028 vs 3,165 sqft); Similar age (1975 vs 1980); Same quality (Average)
    $333,791

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.