Harris Value

20227 Tilstock Dr, Katy, TX 77450

2,464 sqft, built 1979, in Nottingham Country Appraised at $397,133 for 2026.

Harris County account 1093750000034

Appraised value
$397,133
Tax year 2026 · after any cap, before exemptions
Living area
2,464 sqft
$161 per sqft
Year built
1979
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, Nottingham Country, 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 1.5% from $403,252 in 2025 to $397,133 in 2026.
  • Appraised value per square footThe current public record shows about $161 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Nottingham Country neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 549 residential records in the same neighborhood, the average appraised value is about $163 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.1% on average.

Comparable assessments

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

  • 20218 Prince Creek Dr, Katy, TX 77450
    2,432 sqft | $167/sqft | built 1982 | Similar size (2,432 vs 2,464 sqft); Similar age (1982 vs 1979); Similar lot size (7,475 vs 7,370 sqft)
    $406,234
  • 20206 Monkswood Dr, Katy, TX 77450
    2,451 sqft | $148/sqft | built 1979 | Similar size (2,451 vs 2,464 sqft); Built same year (1979); Similar lot size (7,800 vs 7,370 sqft)
    $361,754
  • 1227 Dominion Dr, Katy, TX 77450
    2,384 sqft | $178/sqft | built 1978 | Similar size (2,384 vs 2,464 sqft); Similar age (1978 vs 1979); Similar lot size (7,475 vs 7,370 sqft)
    $424,508
  • 20227 Pittsford Dr, Katy, TX 77450
    2,463 sqft | $166/sqft | built 1982 | Similar size (2,463 vs 2,464 sqft); Similar age (1982 vs 1979); Similar lot size (7,475 vs 7,370 sqft)
    $408,209
  • 20226 Prince Creek Dr, Katy, TX 77450
    2,525 sqft | $164/sqft | built 1981 | Similar size (2,525 vs 2,464 sqft); Similar age (1981 vs 1979); Similar lot size (7,633 vs 7,370 sqft)
    $414,303

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.

  • 1419 Dominion Dr, Katy, TX 77450
    September-11-2026 | 2,498 sqft | $172/sqft | built 1979 | Similar size (2,498 sqft); Similar age (1979); Sold after the valuation date
    $430,000
  • 21659 Park York Dr, Katy, TX 77450
    September-14-2026 | 2,456 sqft | $129/sqft | built 1983 | Similar size (2,456 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $318,000
  • 20414 Withington Dr, Katy, TX 77450
    September-10-2026 | 2,378 sqft | $132/sqft | built 1977 | Similar size (2,378 sqft); Similar age (1977); Sold after the valuation date
    $314,000
  • 20723 Vanderwick Dr, Katy, TX 77450
    August-26-2026 | 2,586 sqft | $168/sqft | built 1982 | Similar size (2,586 sqft); Similar age (1982); Sold after the valuation date
    $435,000
  • 21450 Park Post Ln, Katy, TX 77450
    September-14-2026 | 2,448 sqft | $155/sqft | built 1989 | Similar size (2,448 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $380,000

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.