Harris Value

21806 Alta Peak Way, Katy, TX 77449

2,113 sqft, built 2010 Appraised at $287,415 for 2026.

Harris County account 1285720020029

Appraised value
$287,415
Tax year 2026 · after any cap, before exemptions
Living area
2,113 sqft
$136 per sqft
Year built
2010
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 4.1% from $299,843 in 2025 to $287,415 in 2026.
  • Appraised value per square footThe current public record shows about $136 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.

  • 21723 Mid Peak Way, Katy, TX 77449
    2,150 sqft | $133/sqft | built 2009 | Similar size (2,150 vs 2,113 sqft); Similar age (2009 vs 2010); Similar lot size (7,311 vs 7,820 sqft)
    $284,989
  • 21622 Crest Peak Way, Katy, TX 77449
    2,150 sqft | $133/sqft | built 2009 | Similar size (2,150 vs 2,113 sqft); Similar age (2009 vs 2010); Similar lot size (8,384 vs 7,820 sqft)
    $285,376
  • 21734 Mid Peak Way, Katy, TX 77449
    2,106 sqft | $134/sqft | built 2009 | Similar size (2,106 vs 2,113 sqft); Similar age (2009 vs 2010); Lot 11% larger (8,680 vs 7,820 sqft)
    $283,247
  • 4418 Wheeler Peak Way, Katy, TX 77449
    2,255 sqft | $145/sqft | built 2013 | 7% larger (2,255 vs 2,113 sqft); Similar age (2013 vs 2010); Similar lot size (8,065 vs 7,820 sqft)
    $326,712
  • 21615 Crest Peak Way, Katy, TX 77449
    2,150 sqft | $130/sqft | built 2008 | Similar size (2,150 vs 2,113 sqft); Similar age (2008 vs 2010); Lot 14% larger (8,897 vs 7,820 sqft)
    $279,287

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.

  • 6903 Silver Trace Ct, Katy, TX 77449
    July-28-2026 | 2,133 sqft | $131/sqft | built 2012 | Similar size (2,133 sqft); Similar age (2012); Sold after the valuation date
    $279,000
  • 4406 Follina Trl, Katy, TX 77449
    August-18-2026 | 2,146 sqft | $147/sqft | built 2020 | Similar size (2,146 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $315,000
  • 5802 Garden Flower Ct, Katy, TX 77449
    August-14-2026 | 2,049 sqft | $132/sqft | built 2004 | Similar size (2,049 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $269,990
  • 3835 Goldleaf Trail Dr, Katy, TX 77449
    September-17-2026 | 2,090 sqft | $146/sqft | built 2016 | Similar size (2,090 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $305,000
  • 3106 Snug Harbour Ct, Katy, TX 77449
    September-23-2026 | 1,968 sqft | $127/sqft | built 1999 | 7% size difference (1,968 sqft); Sold after the valuation date
    $249,000

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.