Harris Value

21306 Park Willow Dr, Katy, TX 77450

2,249 sqft, built 1978, in Memorial Parkway Appraised at $284,111 for 2026.

Harris County account 1102020000020

Appraised value
$284,111
Tax year 2026 · after any cap, before exemptions
Living area
2,249 sqft
$126 per sqft
Year built
1978
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 0.2% from $284,797 in 2025 to $284,111 in 2026.
  • Appraised value per square footThe current public record shows about $126 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 674 residential records in the same neighborhood, the average appraised value is about $135 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.2% on average.

Comparable assessments

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

  • 21311 Park Valley Dr, Katy, TX 77450
    2,249 sqft | $147/sqft | built 1978 | Similar size (2,249 vs 2,249 sqft); Built same year (1978); Similar lot size (8,050 vs 7,980 sqft)
    $330,101
  • 21323 Park Brush Ln, Katy, TX 77450
    2,240 sqft | $121/sqft | built 1978 | Similar size (2,240 vs 2,249 sqft); Built same year (1978); Similar lot size (8,050 vs 7,980 sqft)
    $271,272
  • 21310 Park Tree Ln, Katy, TX 77450
    2,248 sqft | $127/sqft | built 1977 | Similar size (2,248 vs 2,249 sqft); Similar age (1977 vs 1978); Similar lot size (8,113 vs 7,980 sqft)
    $284,393
  • 21314 Park Bluff Dr, Katy, TX 77450
    2,280 sqft | $125/sqft | built 1978 | Similar size (2,280 vs 2,249 sqft); Built same year (1978); Similar lot size (8,050 vs 7,980 sqft)
    $285,109
  • 21307 Park Valley Dr, Katy, TX 77450
    2,280 sqft | $126/sqft | built 1978 | Similar size (2,280 vs 2,249 sqft); Built same year (1978); Similar lot size (8,050 vs 7,980 sqft)
    $286,285

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.

  • 623 Sancroft Ct, Katy, TX 77450
    September-25-2026 | 2,248 sqft | $200/sqft | built 1975 | Similar size (2,248 sqft); Similar age (1975); Sold after the valuation date
    $449,000
  • 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
  • 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
  • 715 Dominion Dr, Katy, TX 77450
    July-27-2026 | 2,240 sqft | $163/sqft | built 1977 | Similar size (2,240 sqft); Similar age (1977); Sold after the valuation date
    $365,000
  • 20414 Withington Dr, Katy, TX 77450
    September-10-2026 | 2,378 sqft | $132/sqft | built 1977 | 6% size difference (2,378 sqft); Similar age (1977); Sold after the valuation date
    $314,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.