Harris Value

21415 Park Mount Dr, Katy, TX 77450

2,252 sqft, built 1977, in Memorial Parkway Appraised at $299,214 for 2026.

Harris County account 1101980000008

Appraised value
$299,214
Tax year 2026 · after any cap, before exemptions
Living area
2,252 sqft
$133 per sqft
Year built
1977
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 9.0% from $274,619 in 2025 to $299,214 in 2026.
  • Appraised value per square footThe current public record shows about $133 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.

  • 21314 Park Mount Dr, Katy, TX 77450
    2,267 sqft | $134/sqft | built 1978 | Similar size (2,267 vs 2,252 sqft); Similar age (1978 vs 1977); Similar lot size (7,475 vs 7,475 sqft)
    $303,153
  • 21215 Park Bend Dr, Katy, TX 77450
    2,202 sqft | $158/sqft | built 1979 | Similar size (2,202 vs 2,252 sqft); Similar age (1979 vs 1977); Similar lot size (7,475 vs 7,475 sqft)
    $347,746
  • 21202 Park York Dr, Katy, TX 77450
    2,209 sqft | $148/sqft | built 1979 | Similar size (2,209 vs 2,252 sqft); Similar age (1979 vs 1977); Similar lot size (7,524 vs 7,475 sqft)
    $326,745
  • 21319 Park Tree Ln, Katy, TX 77450
    2,216 sqft | $146/sqft | built 1977 | Similar size (2,216 vs 2,252 sqft); Built same year (1977); Similar lot size (7,232 vs 7,475 sqft)
    $322,532
  • 21418 Park Willow Dr, Katy, TX 77450
    2,249 sqft | $137/sqft | built 1978 | Similar size (2,249 vs 2,252 sqft); Similar age (1978 vs 1977); Similar lot size (7,705 vs 7,475 sqft)
    $309,081

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.

  • 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
  • 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
  • 20319 Monkswood Dr, Katy, TX 77450
    August-21-2026 | 2,118 sqft | $165/sqft | built 1978 | 6% size difference (2,118 sqft); Similar age (1978); Sold after the valuation date
    $350,000
  • 21614 Park Wick Ln, Katy, TX 77450
    August-28-2026 | 2,112 sqft | $158/sqft | built 1977 | 6% size difference (2,112 sqft); Similar age (1977); Sold after the valuation date
    $333,333

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.