Harris Value

20615 Castlemills Ct, Katy, TX 77450

2,622 sqft, built 1993, in Kelliwood Place Appraised at $419,891 for 2026.

Harris County account 1172640030020

Appraised value
$419,891
Tax year 2026 · after any cap, before exemptions
Living area
2,622 sqft
$160 per sqft
Year built
1993
Good 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 77450, Kelliwood Place, 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 $404,914 in 2025 to $419,891 in 2026.
  • Appraised value per square footThe current public record shows about $160 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Kelliwood Place neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 218 residential records in the same neighborhood, the average appraised value is about $158 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.8% on average.

Comparable assessments

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

  • 20618 Castlemills Ct, Katy, TX 77450
    2,635 sqft | $166/sqft | built 1992 | Similar size (2,635 vs 2,622 sqft); Similar age (1992 vs 1993); Similar lot size (8,142 vs 7,835 sqft)
    $437,815
  • 20526 Spring Rose Dr, Katy, TX 77450
    2,536 sqft | $167/sqft | built 1995 | Similar size (2,536 vs 2,622 sqft); Similar age (1995 vs 1993); Similar lot size (7,828 vs 7,835 sqft)
    $424,437
  • 20726 Castlemills Ct, Katy, TX 77450
    2,588 sqft | $161/sqft | built 1992 | Similar size (2,588 vs 2,622 sqft); Similar age (1992 vs 1993); Similar lot size (7,200 vs 7,835 sqft)
    $417,505
  • 20719 Castlemills Ct, Katy, TX 77450
    2,588 sqft | $162/sqft | built 1991 | Similar size (2,588 vs 2,622 sqft); Similar age (1991 vs 1993); Similar lot size (7,200 vs 7,835 sqft)
    $419,225
  • 20507 Chelsea Park Ct, Katy, TX 77450
    2,798 sqft | $153/sqft | built 1992 | 7% larger (2,798 vs 2,622 sqft); Similar age (1992 vs 1993); Similar lot size (7,756 vs 7,835 sqft)
    $429,413

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.

  • 2023 Stanford Park Ct, Katy, TX 77450
    August-28-2026 | 2,608 sqft | $142/sqft | built 2000 | Similar size (2,608 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $369,900
  • 20723 Vanderwick Dr, Katy, TX 77450
    August-26-2026 | 2,586 sqft | $168/sqft | built 1982 | Similar size (2,586 sqft); Sold after the valuation date
    $435,000
  • 1027 Flagmore Dr, Katy, TX 77450
    August-18-2026 | 2,698 sqft | $189/sqft | built 1983 | Similar size (2,698 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $510,000
  • 21659 Park York Dr, Katy, TX 77450
    September-14-2026 | 2,456 sqft | $129/sqft | built 1983 | 6% size difference (2,456 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $318,000
  • 1219 Hollow Ash Ln, Katy, TX 77450
    September-16-2026 | 2,334 sqft | $156/sqft | built 1993 | 11% size difference (2,334 sqft); Similar age (1993); Sold after the valuation date
    $365,000

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.