Harris Value

20518 Hampshire Rocks Dr, Katy, TX 77450

2,282 sqft, built 1990, in Nottingham Country Appraised at $378,696 for 2026.

Harris County account 1093850000018

Appraised value
$378,696
Tax year 2026 · after any cap, before exemptions
Living area
2,282 sqft
$166 per sqft
Year built
1990
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 5.3% from $399,846 in 2025 to $378,696 in 2026.
  • Appraised value per square footThe current public record shows about $166 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.

  • 20323 Pittsford Dr, Katy, TX 77450
    2,234 sqft | $178/sqft | built 1988 | Similar size (2,234 vs 2,282 sqft); Similar age (1988 vs 1990); Similar lot size (7,360 vs 7,475 sqft)
    $398,399
  • 20231 Pittsford Dr, Katy, TX 77450
    2,280 sqft | $161/sqft | built 1982 | Similar size (2,280 vs 2,282 sqft); Similar lot size (7,475 vs 7,475 sqft); Same quality (Good)
    $367,247
  • 1130 Crossfield Dr, Katy, TX 77450
    2,262 sqft | $175/sqft | built 1988 | Similar size (2,262 vs 2,282 sqft); Similar age (1988 vs 1990); Similar lot size (7,130 vs 7,475 sqft)
    $394,970
  • 20235 Prince Creek Dr, Katy, TX 77450
    2,274 sqft | $157/sqft | built 1982 | Similar size (2,274 vs 2,282 sqft); Similar lot size (7,475 vs 7,475 sqft); Same quality (Good)
    $358,087
  • 20315 Pittsford Dr, Katy, TX 77450
    2,285 sqft | $163/sqft | built 1982 | Similar size (2,285 vs 2,282 sqft); Similar lot size (7,360 vs 7,475 sqft); Same quality (Good)
    $373,322

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.

  • 1219 Hollow Ash Ln, Katy, TX 77450
    September-16-2026 | 2,334 sqft | $156/sqft | built 1993 | Similar size (2,334 sqft); Similar age (1993); Sold after the valuation date
    $365,000
  • 1311 Shadow Mountain Dr, Katy, TX 77450
    September-18-2026 | 2,396 sqft | $134/sqft | built 1994 | Similar size (2,396 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $319,900
  • 21659 Park York Dr, Katy, TX 77450
    September-14-2026 | 2,456 sqft | $129/sqft | built 1983 | 8% size difference (2,456 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $318,000
  • 20710 Surrey Stone Ct, Katy, TX 77450
    June-24-2026 | 2,282 sqft | $169/sqft | built 1998 | Similar size (2,282 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $385,000
  • 21450 Park Post Ln, Katy, TX 77450
    September-14-2026 | 2,448 sqft | $155/sqft | built 1989 | 7% size difference (2,448 sqft); Similar age (1989); 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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $409,900 sale recorded on August-28-2026