Harris Value

20218 Tilstock Dr, Katy, TX 77450

1,755 sqft, built 1978, in Nottingham Country Appraised at $283,680 for 2026.

Harris County account 1093750000025

Appraised value
$283,680
Tax year 2026 · after any cap, before exemptions
Living area
1,755 sqft
$162 per sqft
Year built
1978
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 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 increased 3.3% from $274,599 in 2025 to $283,680 in 2026.
  • Appraised value per square footThe current public record shows about $162 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.

  • 1403 Crossfield Dr, Katy, TX 77450
    1,758 sqft | $162/sqft | built 1978 | Similar size (1,758 vs 1,755 sqft); Built same year (1978); Similar lot size (7,546 vs 7,488 sqft)
    $284,526
  • 1334 Crossfield Dr, Katy, TX 77450
    1,766 sqft | $169/sqft | built 1978 | Similar size (1,766 vs 1,755 sqft); Built same year (1978); Similar lot size (7,598 vs 7,488 sqft)
    $298,440
  • 20231 Monkswood Dr, Katy, TX 77450
    1,786 sqft | $165/sqft | built 1978 | Similar size (1,786 vs 1,755 sqft); Built same year (1978); Similar lot size (7,475 vs 7,488 sqft)
    $295,524
  • 20418 Hampshire Rocks Dr, Katy, TX 77450
    1,786 sqft | $198/sqft | built 1978 | Similar size (1,786 vs 1,755 sqft); Built same year (1978); Similar lot size (7,475 vs 7,488 sqft)
    $352,825
  • 1014 Crossfield Dr, Katy, TX 77450
    1,720 sqft | $161/sqft | built 1978 | Similar size (1,720 vs 1,755 sqft); Built same year (1978); Similar lot size (7,448 vs 7,488 sqft)
    $276,726

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.

  • 22507 Coriander Dr, Katy, TX 77450
    August-26-2026 | 1,732 sqft | $147/sqft | built 1978 | Similar size (1,732 sqft); Similar age (1978); Sold after the valuation date
    $254,900
  • 21403 Park Bluff Dr, Katy, TX 77450
    August-26-2026 | 1,715 sqft | $174/sqft | built 1978 | Similar size (1,715 sqft); Similar age (1978); Sold after the valuation date
    $299,000
  • 22707 Elsinore Dr, Katy, TX 77450
    September-8-2026 | 1,710 sqft | $120/sqft | built 1977 | Similar size (1,710 sqft); Similar age (1977); Sold after the valuation date
    $205,000
  • 310 Gentilly Dr, Katy, TX 77450
    July-9-2026 | 1,760 sqft | $151/sqft | built 1978 | Similar size (1,760 sqft); Similar age (1978); Sold after the valuation date
    $265,000
  • 22927 Indian Ridge Dr, Katy, TX 77450
    August-28-2026 | 1,815 sqft | $152/sqft | built 1983 | Similar size (1,815 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $275,000

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.