Harris Value

21402 Park Mill Ln, Katy, TX 77450

1,284 sqft, built 1984, in Memorial Parkway Appraised at $255,021 for 2026.

Harris County account 1156030460049

Appraised value
$255,021
Tax year 2026 · after any cap, before exemptions
Living area
1,284 sqft
$199 per sqft
Year built
1984
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 2.3% from $249,250 in 2025 to $255,021 in 2026.
  • Appraised value per square footThe current public record shows about $199 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 229 residential records in the same neighborhood, the average appraised value is about $160 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.3% on average.

Comparable assessments

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

  • 21446 Park Mill Ln, Katy, TX 77450
    1,284 sqft | $191/sqft | built 1984 | Similar size (1,284 vs 1,284 sqft); Built same year (1984); Similar lot size (7,360 vs 7,373 sqft)
    $245,085
  • 21470 Park Mill Ln, Katy, TX 77450
    1,284 sqft | $189/sqft | built 1984 | Similar size (1,284 vs 1,284 sqft); Built same year (1984); Similar lot size (7,245 vs 7,373 sqft)
    $242,277
  • 21426 Park Mill Ln, Katy, TX 77450
    1,284 sqft | $186/sqft | built 1985 | Similar size (1,284 vs 1,284 sqft); Similar age (1985 vs 1984); Similar lot size (7,433 vs 7,373 sqft)
    $238,465
  • 21466 Park Bishop Dr, Katy, TX 77450
    1,277 sqft | $184/sqft | built 1983 | Similar size (1,277 vs 1,284 sqft); Similar age (1983 vs 1984); Similar lot size (7,475 vs 7,373 sqft)
    $234,786
  • 21451 Park Orchard Dr, Katy, TX 77450
    1,284 sqft | $188/sqft | built 1983 | Similar size (1,284 vs 1,284 sqft); Similar age (1983 vs 1984); Similar lot size (7,748 vs 7,373 sqft)
    $241,077

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.

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.