Harris Value

21603 Park Downe Ln, Katy, TX 77450

2,024 sqft, built 1975, in Memorial Parkway Appraised at $258,990 for 2026.

Harris County account 1071750000014

Appraised value
$258,990
Tax year 2026 · after any cap, before exemptions
Living area
2,024 sqft
$128 per sqft
Year built
1975
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 decreased 0.3% from $259,845 in 2025 to $258,990 in 2026.
  • Appraised value per square footThe current public record shows about $128 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 214 residential records in the same neighborhood, the average appraised value is about $132 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.0% on average.

Comparable assessments

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

  • 635 Park Leaf Ln, Katy, TX 77450
    2,024 sqft | $128/sqft | built 1975 | Similar size (2,024 vs 2,024 sqft); Built same year (1975); Similar lot size (8,050 vs 8,050 sqft)
    $259,633
  • 21631 Cimarron Pky, Katy, TX 77450
    2,050 sqft | $128/sqft | built 1975 | Similar size (2,050 vs 2,024 sqft); Built same year (1975); Similar lot size (8,050 vs 8,050 sqft)
    $261,427
  • 21603 Park Rock Ln, Katy, TX 77450
    2,016 sqft | $129/sqft | built 1976 | Similar size (2,016 vs 2,024 sqft); Similar age (1976 vs 1975); Similar lot size (7,935 vs 8,050 sqft)
    $260,825
  • 21602 Park Wind Ct, Katy, TX 77450
    1,989 sqft | $132/sqft | built 1975 | Similar size (1,989 vs 2,024 sqft); Built same year (1975); Similar lot size (7,940 vs 8,050 sqft)
    $261,853
  • 610 Park Knoll Ln, Katy, TX 77450
    2,024 sqft | $126/sqft | built 1975 | Similar size (2,024 vs 2,024 sqft); Built same year (1975); Similar lot size (8,480 vs 8,050 sqft)
    $255,422

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.

  • 21123 Park Villa Dr, Katy, TX 77450
    September-18-2026 | 2,002 sqft | $149/sqft | built 1976 | Similar size (2,002 sqft); Similar age (1976); Sold after the valuation date
    $299,000
  • 20311 Lake Sherwood Dr, Katy, TX 77450
    September-25-2026 | 2,005 sqft | $184/sqft | built 1978 | Similar size (2,005 sqft); Similar age (1978); Sold after the valuation date
    $369,900
  • 630 S Fry Rd, Katy, TX 77450
    September-28-2026 | 2,139 sqft | $185/sqft | built 1975 | 6% size difference (2,139 sqft); Similar age (1975); Sold after the valuation date
    $395,000
  • 21614 Park Wick Ln, Katy, TX 77450
    August-28-2026 | 2,112 sqft | $158/sqft | built 1977 | Similar size (2,112 sqft); Similar age (1977); Sold after the valuation date
    $333,333
  • 21311 Park York Dr, Katy, TX 77450
    September-8-2026 | 2,172 sqft | $145/sqft | built 1977 | 7% size difference (2,172 sqft); Similar age (1977); Sold after the valuation date
    $315,000

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.