Harris Value

21302 Highland Knolls Dr, Katy, TX 77450

1,935 sqft, built 1979, in Memorial Parkway Appraised at $267,269 for 2026.

Harris County account 1136580000021

Appraised value
$267,269
Tax year 2026 · after any cap, before exemptions
Living area
1,935 sqft
$138 per sqft
Year built
1979
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 1.7% from $272,001 in 2025 to $267,269 in 2026.
  • Appraised value per square footThe current public record shows about $138 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.

  • 21319 Park Brush Ln, Katy, TX 77450
    1,950 sqft | $135/sqft | built 1978 | Similar size (1,950 vs 1,935 sqft); Similar age (1978 vs 1979); Similar lot size (7,820 vs 7,840 sqft)
    $264,098
  • 21422 Park Bluff Dr, Katy, TX 77450
    1,950 sqft | $135/sqft | built 1978 | Similar size (1,950 vs 1,935 sqft); Similar age (1978 vs 1979); Similar lot size (7,705 vs 7,840 sqft)
    $263,940
  • 21431 Park Bluff Dr, Katy, TX 77450
    1,950 sqft | $135/sqft | built 1978 | Similar size (1,950 vs 1,935 sqft); Similar age (1978 vs 1979); Similar lot size (7,705 vs 7,840 sqft)
    $263,940
  • 21302 Park Run Dr, Katy, TX 77450
    1,881 sqft | $146/sqft | built 1979 | Similar size (1,881 vs 1,935 sqft); Built same year (1979); Similar lot size (7,820 vs 7,840 sqft)
    $275,480
  • 21430 Park Bluff Dr, Katy, TX 77450
    1,966 sqft | $137/sqft | built 1978 | Similar size (1,966 vs 1,935 sqft); Similar age (1978 vs 1979); Similar lot size (7,705 vs 7,840 sqft)
    $268,635

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.