Harris Value

3811 Windmoor Dr, Katy, TX 77449

2,192 sqft, built 2005, in Westfield Appraised at $319,324 for 2026.

Harris County account 1198180060021

Appraised value
$319,324
Tax year 2026 · after any cap, before exemptions
Living area
2,192 sqft
$146 per sqft
Year built
2005
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, Westfield, 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 3.7% from $307,848 in 2025 to $319,324 in 2026.
  • Appraised value per square footThe current public record shows about $146 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Westfield neighborhood and ZIP 77449.
  • Neighborhood value signalAmong 269 residential records in the same neighborhood, the average appraised value is about $127 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.7% on average.

Comparable assessments

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

  • 19627 Autumn Glade Pl, Katy, TX 77449
    2,187 sqft | $142/sqft | built 2001 | Similar size (2,187 vs 2,192 sqft); Similar age (2001 vs 2005); Similar lot size (7,971 vs 8,189 sqft)
    $309,978
  • 19703 Campfield Dr, Katy, TX 77449
    2,185 sqft | $135/sqft | built 2000 | Similar size (2,185 vs 2,192 sqft); Similar age (2000 vs 2005); Similar lot size (8,407 vs 8,189 sqft)
    $295,065
  • 19806 Timberfield Pl, Katy, TX 77449
    2,249 sqft | $134/sqft | built 1999 | Similar size (2,249 vs 2,192 sqft); Similar lot size (8,233 vs 8,189 sqft); Same quality (Average)
    $301,986
  • 3902 Wrenfield Ct, Katy, TX 77449
    2,257 sqft | $132/sqft | built 2000 | Similar size (2,257 vs 2,192 sqft); Similar age (2000 vs 2005); Similar lot size (7,884 vs 8,189 sqft)
    $298,346
  • 3523 Sweetspire Rd, Katy, TX 77449
    2,247 sqft | $133/sqft | built 2000 | Similar size (2,247 vs 2,192 sqft); Similar age (2000 vs 2005); Similar lot size (8,581 vs 8,189 sqft)
    $299,751

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.

  • 21007 Sonoma Mission Ct, Katy, TX 77449
    June-25-2026 | 2,251 sqft | $119/sqft | built 2007 | Similar size (2,251 sqft); Similar age (2007); Sold after the valuation date
    $268,000
  • 5802 Garden Flower Ct, Katy, TX 77449
    August-14-2026 | 2,049 sqft | $132/sqft | built 2004 | 6% size difference (2,049 sqft); Similar age (2004); Sold after the valuation date
    $269,990
  • 5447 Mersea Dr, Katy, TX 77449
    August-7-2026 | 2,075 sqft | $130/sqft | built 2000 | 5% size difference (2,075 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $269,000
  • 3734 Veranda Dr, Katy, TX 77449
    August-7-2026 | 2,257 sqft | $140/sqft | built 2003 | Similar size (2,257 sqft); Similar age (2003); Sold after the valuation date
    $315,000
  • 21307 Riverside Ridge Ln, Katy, TX 77449
    July-16-2026 | 2,220 sqft | $135/sqft | built 1994 | Similar size (2,220 sqft); Sold after the valuation date
    $299,900

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.