Harris Value

21426 Park Valley Dr, Katy, TX 77450

3,863 sqft, built 1978, in Memorial Parkway Appraised at $355,274 for 2026.

Harris County account 1102010000034

Appraised value
$355,274
Tax year 2026 · after any cap, before exemptions
Living area
3,863 sqft
$92 per sqft
Year built
1978
Good 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 1.4% from $360,365 in 2025 to $355,274 in 2026.
  • Appraised value per square footThe current public record shows about $92 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.

  • 21127 Park Brook Dr, Katy, TX 77450
    3,599 sqft | $105/sqft | built 1977 | 7% smaller (3,599 vs 3,863 sqft); Similar age (1977 vs 1978); Similar lot size (8,120 vs 7,705 sqft)
    $377,704
  • 21335 Park Run Dr, Katy, TX 77450
    3,404 sqft | $119/sqft | built 1979 | 12% smaller (3,404 vs 3,863 sqft); Similar age (1979 vs 1978); Lot 10% smaller (6,900 vs 7,705 sqft)
    $404,528
  • 21307 Park Willow Dr, Katy, TX 77450
    3,008 sqft | $107/sqft | built 1978 | Built same year (1978); Similar lot size (7,980 vs 7,705 sqft); Similar quality (1 step: Average vs Good)
    $321,774
  • 21339 Park York Dr, Katy, TX 77450
    2,924 sqft | $157/sqft | built 1977 | Similar age (1977 vs 1978); Similar lot size (7,705 vs 7,705 sqft); Similar quality (1 step: Average vs Good)
    $460,331
  • 21134 Park York Dr, Katy, TX 77450
    2,903 sqft | $114/sqft | built 1977 | Similar age (1977 vs 1978); Similar lot size (7,524 vs 7,705 sqft); Similar quality (1 step: Average vs Good)
    $332,129

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.

  • 20502 Chadbury Park Dr, Katy, TX 77450
    September-30-2026 | 3,672 sqft | $132/sqft | built 1990 | Similar size (3,672 sqft); Sold after the valuation date
    $484,900
  • 2414 Shelby Park Dr, Katy, TX 77450
    July-27-2026 | 3,800 sqft | $151/sqft | built 1992 | Similar size (3,800 sqft); Sold after the valuation date
    $575,000
  • 1118 Sherfield Ridge Dr, Katy, TX 77450
    August-21-2026 | 3,538 sqft | $201/sqft | built 1989 | 8% size difference (3,538 sqft); Sold after the valuation date
    $709,700
  • 1431 Hoveden Dr, Katy, TX 77450
    August-19-2026 | 3,495 sqft | $209/sqft | built 1980 | 10% size difference (3,495 sqft); Similar age (1980); Sold after the valuation date
    $729,000
  • 1706 Hickory Chase Dr, Katy, TX 77450
    April-29-2026 | 3,897 sqft | $159/sqft | built 1986 | Similar size (3,897 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $619,000

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.