Harris Value

21719 Britton Hill Way, Katy, TX 77449

1,810 sqft, built 2010 Appraised at $250,033 for 2026.

Harris County account 1259740020053

Appraised value
$250,033
Tax year 2026 · after any cap, before exemptions
Living area
1,810 sqft
$138 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 2847.05, 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 6.5% from $267,446 in 2025 to $250,033 in 2026.
  • Appraised value per square footThe current public record shows about $138 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 287 residential records in the same neighborhood, the average appraised value is about $131 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -8.6% on average.

Comparable assessments

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

  • 21602 Borah Peak Way, Katy, TX 77449
    1,815 sqft | $138/sqft | built 2006 | Similar size (1,815 vs 1,810 sqft); Similar age (2006 vs 2010); Similar lot size (6,000 vs 6,000 sqft)
    $250,156
  • 4123 Mt Everest Way, Katy, TX 77449
    1,815 sqft | $131/sqft | built 2006 | Similar size (1,815 vs 1,810 sqft); Similar age (2006 vs 2010); Similar lot size (6,024 vs 6,000 sqft)
    $238,614
  • 4019 Mt Whitney Way, Katy, TX 77449
    1,815 sqft | $130/sqft | built 2006 | Similar size (1,815 vs 1,810 sqft); Similar age (2006 vs 2010); Similar lot size (6,077 vs 6,000 sqft)
    $236,616
  • 21614 Mt Elbrus Way, Katy, TX 77449
    1,850 sqft | $131/sqft | built 2007 | Similar size (1,850 vs 1,810 sqft); Similar age (2007 vs 2010); Similar lot size (6,000 vs 6,000 sqft)
    $242,857
  • 4034 Mt Whitney Way, Katy, TX 77449
    1,787 sqft | $139/sqft | built 2003 | Similar size (1,787 vs 1,810 sqft); Similar lot size (6,000 vs 6,000 sqft); Same quality (Average)
    $248,028

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.

  • 21615 Britton Hill Way, Katy, TX 77449
    September-25-2026 | 1,724 sqft | $160/sqft | built 2006 | Similar size (1,724 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $275,000
  • 6326 Bonnie Chase Ln, Katy, TX 77449
    September-21-2026 | 1,855 sqft | $135/sqft | built 2005 | Similar size (1,855 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $250,000
  • 4910 Morningmount Ln, Katy, TX 77449
    August-31-2026 | 1,832 sqft | $136/sqft | built 2005 | Similar size (1,832 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $250,000
  • 3830 Silverhawk Dr, Katy, TX 77449
    September-1-2026 | 1,752 sqft | $151/sqft | built 2005 | Similar size (1,752 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $265,000
  • 3814 Bridgebay Ln, Katy, TX 77449
    September-29-2026 | 1,735 sqft | $133/sqft | built 1998 | Similar size (1,735 sqft); Sold after the valuation date
    $229,990

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.