Harris Value

20503 Hampshire Rocks Dr, Katy, TX 77450

2,181 sqft, built 1979, in Nottingham Country Appraised at $307,461 for 2026.

Harris County account 1093840000009

Appraised value
$307,461
Tax year 2026 · after any cap, before exemptions
Market value
$334,496
Living area
2,181 sqft
$141 per sqft
Year built
1979
Good quality
Homestead
Yes
Owner-occupied exemption on file

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 10.0% from $279,510 in 2025 to $307,461 in 2026.
  • Appraised value per square footThe current public record shows about $141 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $27,035 above the appraised value used on this page.
  • 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.

  • 20510 Park Pine Dr, Katy, TX 77450
    2,142 sqft | $155/sqft | built 1979 | Similar size (2,142 vs 2,181 sqft); Built same year (1979); Similar lot size (9,180 vs 9,200 sqft)
    $332,149
  • 20330 Pittsford Dr, Katy, TX 77450
    2,192 sqft | $164/sqft | built 1982 | Similar size (2,192 vs 2,181 sqft); Similar age (1982 vs 1979); Similar lot size (9,480 vs 9,200 sqft)
    $359,672
  • 1106 Pittsford Ct, Katy, TX 77450
    2,182 sqft | $156/sqft | built 1978 | Similar size (2,182 vs 2,181 sqft); Similar age (1978 vs 1979); Similar lot size (8,613 vs 9,200 sqft)
    $340,271
  • 20206 Kempsford Ct, Katy, TX 77450
    2,130 sqft | $163/sqft | built 1978 | Similar size (2,130 vs 2,181 sqft); Similar age (1978 vs 1979); Similar lot size (9,508 vs 9,200 sqft)
    $346,602
  • 20210 Kempsford Ct, Katy, TX 77450
    2,246 sqft | $171/sqft | built 1978 | Similar size (2,246 vs 2,181 sqft); Similar age (1978 vs 1979); Similar lot size (9,431 vs 9,200 sqft)
    $383,826

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.

  • 630 S Fry Rd, Katy, TX 77450
    September-28-2026 | 2,139 sqft | $185/sqft | built 1975 | Similar size (2,139 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $395,000
  • 21311 Park York Dr, Katy, TX 77450
    September-8-2026 | 2,172 sqft | $145/sqft | built 1977 | Similar size (2,172 sqft); Similar age (1977); Sold after the valuation date
    $315,000
  • 21311 Park Bluff Dr, Katy, TX 77450
    August-28-2026 | 2,184 sqft | $144/sqft | built 1978 | Similar size (2,184 sqft); Similar age (1978); Sold after the valuation date
    $315,000
  • 20311 Lake Sherwood Dr, Katy, TX 77450
    September-25-2026 | 2,005 sqft | $184/sqft | built 1978 | 8% size difference (2,005 sqft); Similar age (1978); Sold after the valuation date
    $369,900
  • 21739 Park Brook Dr, Katy, TX 77450
    August-14-2026 | 2,098 sqft | $155/sqft | built 1981 | Similar size (2,098 sqft); Similar age (1981); Sold after the valuation date
    $324,900

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.