Harris Value

21819 Alta Peak Way, Katy, TX 77449

3,115 sqft, built 2011 Appraised at $350,192 for 2026.

Harris County account 1285720040004

Appraised value
$350,192
Tax year 2026 · after any cap, before exemptions
Living area
3,115 sqft
$112 per sqft
Year built
2011
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 77449, HCAD Appraisal Area 2847.07, and Katy 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 1.5% from $355,399 in 2025 to $350,192 in 2026.
  • Appraised value per square footThe current public record shows about $112 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77449.
  • Neighborhood value signalAmong 135 residential records in the same neighborhood, the average appraised value is about $126 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.4% on average.

Comparable assessments

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

  • 21718 Crest Peak Way, Katy, TX 77449
    3,104 sqft | $106/sqft | built 2008 | Similar size (3,104 vs 3,115 sqft); Similar age (2008 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $330,375
  • 4423 Wheeler Peak Way, Katy, TX 77449
    3,152 sqft | $113/sqft | built 2013 | Similar size (3,152 vs 3,115 sqft); Similar age (2013 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $354,662
  • 21618 Mid Peak Way, Katy, TX 77449
    3,186 sqft | $113/sqft | built 2013 | Similar size (3,186 vs 3,115 sqft); Similar age (2013 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $360,029
  • 21614 Mid Peak Way, Katy, TX 77449
    3,192 sqft | $115/sqft | built 2013 | Similar size (3,192 vs 3,115 sqft); Similar age (2013 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $366,020
  • 21627 Mid Peak Way, Katy, TX 77449
    3,180 sqft | $113/sqft | built 2008 | Similar size (3,180 vs 3,115 sqft); Similar age (2008 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $358,893

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.