Harris Value

20610 Castlemills Ct, Katy, TX 77450

2,798 sqft, built 1992, in Kelliwood Place Appraised at $419,361 for 2026.

Harris County account 1172640030015

Appraised value
$419,361
Tax year 2026 · after any cap, before exemptions
Living area
2,798 sqft
$150 per sqft
Year built
1992
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 3.6% from $404,921 in 2025 to $419,361 in 2026.
  • Appraised value per square footThe current public record shows about $150 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.

  • 20730 Castlemills Ct, Katy, TX 77450
    2,798 sqft | $152/sqft | built 1992 | Similar size (2,798 vs 2,798 sqft); Built same year (1992); Similar lot size (7,200 vs 7,051 sqft)
    $425,578
  • 20722 Castlemills Ct, Katy, TX 77450
    2,822 sqft | $146/sqft | built 1992 | Similar size (2,822 vs 2,798 sqft); Built same year (1992); Similar lot size (7,200 vs 7,051 sqft)
    $413,366
  • 20715 Castlemills Ct, Katy, TX 77450
    2,854 sqft | $146/sqft | built 1991 | Similar size (2,854 vs 2,798 sqft); Similar age (1991 vs 1992); Similar lot size (7,200 vs 7,051 sqft)
    $417,982
  • 20706 Fawnbrook Ct, Katy, TX 77450
    2,848 sqft | $157/sqft | built 1995 | Similar size (2,848 vs 2,798 sqft); Similar age (1995 vs 1992); Similar lot size (7,200 vs 7,051 sqft)
    $447,786
  • 20736 Fawnbrook Ct, Katy, TX 77450
    2,838 sqft | $161/sqft | built 1996 | Similar size (2,838 vs 2,798 sqft); Similar age (1996 vs 1992); Similar lot size (7,190 vs 7,051 sqft)
    $457,927

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.

  • 20619 Prince Creek Dr, Katy, TX 77450
    August-28-2026 | 2,794 sqft | $174/sqft | built 1982 | Similar size (2,794 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $487,000
  • 911 Montview Dr, Katy, TX 77450
    August-25-2026 | 2,741 sqft | $157/sqft | built 1983 | Similar size (2,741 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $429,900
  • 20719 Castle Bend Dr, Katy, TX 77450
    July-30-2026 | 2,884 sqft | $139/sqft | built 1982 | Similar size (2,884 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $399,900
  • 1027 Flagmore Dr, Katy, TX 77450
    August-18-2026 | 2,698 sqft | $189/sqft | built 1983 | Similar size (2,698 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $510,000
  • 21519 Canyon Terrace Ln, Katy, TX 77450
    July-17-2026 | 2,796 sqft | $154/sqft | built 2001 | Similar size (2,796 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $430,000

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.