Harris Value

21651 Westcliffe Falls Dr, Katy, TX 77450

2,510 sqft, built 1992, in Memorial Parkway Appraised at $428,500 for 2026.

Harris County account 1173380010041

Appraised value
$428,500
Tax year 2026 · after any cap, before exemptions
Living area
2,510 sqft
$171 per sqft
Year built
1992
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, Memorial Parkway, 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 7.5% from $398,521 in 2025 to $428,500 in 2026.
  • Appraised value per square footThe current public record shows about $171 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Memorial Parkway neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 138 residential records in the same neighborhood, the average appraised value is about $158 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.9% on average.

Comparable assessments

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

  • 21610 Cedar Cove Dr, Katy, TX 77450
    2,476 sqft | $148/sqft | built 1992 | Similar size (2,476 vs 2,510 sqft); Built same year (1992); Similar lot size (13,288 vs 13,286 sqft)
    $366,971
  • 1706 Park Maple Dr, Katy, TX 77450
    2,519 sqft | $153/sqft | built 1992 | Similar size (2,519 vs 2,510 sqft); Built same year (1992); Similar lot size (12,785 vs 13,286 sqft)
    $386,442
  • 21618 Park Timbers Ln, Katy, TX 77450
    2,593 sqft | $151/sqft | built 1994 | Similar size (2,593 vs 2,510 sqft); Similar age (1994 vs 1992); Similar lot size (12,877 vs 13,286 sqft)
    $390,663
  • 1710 Park Maple Dr, Katy, TX 77450
    2,622 sqft | $129/sqft | built 1992 | Similar size (2,622 vs 2,510 sqft); Built same year (1992); Similar lot size (12,814 vs 13,286 sqft)
    $338,098
  • 21606 Cedar Cove Dr, Katy, TX 77450
    2,414 sqft | $159/sqft | built 1992 | Similar size (2,414 vs 2,510 sqft); Built same year (1992); Similar lot size (14,047 vs 13,286 sqft)
    $383,135

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.

  • 21450 Park Post Ln, Katy, TX 77450
    September-14-2026 | 2,448 sqft | $155/sqft | built 1989 | Similar size (2,448 sqft); Similar age (1989); Sold after the valuation date
    $380,000
  • 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 (9 years older); Sold after the valuation date
    $318,000
  • 703 Cranfield Ct, Katy, TX 77450
    September-21-2026 | 2,658 sqft | $173/sqft | built 1979 | 6% size difference (2,658 sqft); Sold after the valuation date
    $460,000
  • 1311 Shadow Mountain Dr, Katy, TX 77450
    September-18-2026 | 2,396 sqft | $134/sqft | built 1994 | Similar size (2,396 sqft); Similar age (1994); Sold after the valuation date
    $319,900
  • 1330 Sherfield Ridge Dr, Katy, TX 77450
    June-30-2026 | 2,499 sqft | $177/sqft | built 1991 | Similar size (2,499 sqft); Similar age (1991); Sold after the valuation date
    $442,000

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.