Harris Value

21823 Alta Peak Way, Katy, TX 77449

2,293 sqft, built 2011 Appraised at $294,836 for 2026.

Harris County account 1285720040003

Appraised value
$294,836
Tax year 2026 · after any cap, before exemptions
Living area
2,293 sqft
$129 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 increased 6.5% from $276,943 in 2025 to $294,836 in 2026.
  • Appraised value per square footThe current public record shows about $129 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.

  • 21815 Alta Peak Way, Katy, TX 77449
    2,248 sqft | $125/sqft | built 2011 | Similar size (2,248 vs 2,293 sqft); Built same year (2011); Similar lot size (5,509 vs 5,500 sqft)
    $280,020
  • 21622 Mid Peak Way, Katy, TX 77449
    2,355 sqft | $134/sqft | built 2013 | Similar size (2,355 vs 2,293 sqft); Similar age (2013 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $315,252
  • 4507 Wheeler Peak Way, Katy, TX 77449
    2,229 sqft | $131/sqft | built 2013 | Similar size (2,229 vs 2,293 sqft); Similar age (2013 vs 2011); Similar lot size (5,500 vs 5,500 sqft)
    $292,445
  • 4606 Alta Peak Ct, Katy, TX 77449
    2,376 sqft | $129/sqft | built 2011 | Similar size (2,376 vs 2,293 sqft); Built same year (2011); Similar lot size (5,720 vs 5,500 sqft)
    $306,274
  • 21726 Mid Peak Way, Katy, TX 77449
    2,311 sqft | $127/sqft | built 2010 | Similar size (2,311 vs 2,293 sqft); Similar age (2010 vs 2011); Similar lot size (5,934 vs 5,500 sqft)
    $294,261

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.

  • 5106 Opal Sky Dr, Katy, TX 77449
    September-24-2026 | 2,322 sqft | $125/sqft | built 2004 | Similar size (2,322 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $290,000
  • 5207 Appleton Meadow Trce, Katy, TX 77449
    September-30-2026 | 2,428 sqft | $124/sqft | built 2016 | 6% size difference (2,428 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $299,999
  • 21523 Victoria Harbor Dr, Katy, TX 77449
    August-5-2026 | 2,333 sqft | $131/sqft | built 2020 | Similar size (2,333 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $305,000
  • 5906 Coyote Echo Dr, Katy, TX 77449
    August-10-2026 | 2,285 sqft | $139/sqft | built 2007 | Similar size (2,285 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $317,500
  • 21618 Alta Peak Way, Katy, TX 77449
    July-1-2026 | 2,266 sqft | $132/sqft | built 2011 | Similar size (2,266 sqft); Similar age (2011); Sold after the valuation date
    $299,000

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.