Harris Value

626 Aldersgate Ct, Katy, TX 77450

3,154 sqft, built 1973, in Nottingham Country Appraised at $436,861 for 2026.

Harris County account 1056620000031

Appraised value
$436,861
Tax year 2026 · after any cap, before exemptions
Market value
$437,376
Living area
3,154 sqft
$139 per sqft
Year built
1973
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 $397,147 in 2025 to $436,861 in 2026.
  • Appraised value per square footThe current public record shows about $139 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $515 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 508 residential records in the same neighborhood, the average appraised value is about $152 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.8% on average.

Comparable assessments

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

  • 20015 Britannia Dr, Katy, TX 77450
    3,156 sqft | $154/sqft | built 1973 | Similar size (3,156 vs 3,154 sqft); Built same year (1973); Similar lot size (8,400 vs 7,810 sqft)
    $485,290
  • 302 Houghton Rd, Katy, TX 77450
    3,118 sqft | $153/sqft | built 1972 | Similar size (3,118 vs 3,154 sqft); Similar age (1972 vs 1973); Similar lot size (8,295 vs 7,810 sqft)
    $476,911
  • 703 Houghton Rd, Katy, TX 77450
    3,129 sqft | $130/sqft | built 1974 | Similar size (3,129 vs 3,154 sqft); Similar age (1974 vs 1973); Similar lot size (7,770 vs 7,810 sqft)
    $405,597
  • 20311 Silbury Ct, Katy, TX 77450
    3,248 sqft | $186/sqft | built 1975 | Similar size (3,248 vs 3,154 sqft); Similar age (1975 vs 1973); Similar lot size (7,425 vs 7,810 sqft)
    $605,586
  • 20538 Laverton Dr, Katy, TX 77450
    3,176 sqft | $162/sqft | built 1977 | Similar size (3,176 vs 3,154 sqft); Similar age (1977 vs 1973); Lot 13% larger (8,820 vs 7,810 sqft)
    $514,622

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.

  • 20115 Dering Ct, Katy, TX 77450
    August-21-2026 | 3,032 sqft | $115/sqft | built 1973 | Similar size (3,032 sqft); Similar age (1973); Sold after the valuation date
    $350,000
  • 614 Houghton Rd, Katy, TX 77450
    August-4-2026 | 3,125 sqft | $142/sqft | built 1974 | Similar size (3,125 sqft); Similar age (1974); Sold after the valuation date
    $445,000
  • 20911 Park Brush Cir, Katy, TX 77450
    September-17-2026 | 2,890 sqft | $119/sqft | built 1977 | 8% size difference (2,890 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $345,000
  • 1214 Shillington Dr, Katy, TX 77450
    July-9-2026 | 3,024 sqft | $144/sqft | built 1980 | Similar size (3,024 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $435,000
  • 1122 Rustic Knolls Dr, Katy, TX 77450
    July-14-2026 | 2,925 sqft | $164/sqft | built 1982 | 7% size difference (2,925 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $480,000

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.