Harris Value

21410 Park Valley Dr, Katy, TX 77450

2,184 sqft, built 1977, in Memorial Parkway Appraised at $325,302 for 2026.

Harris County account 1102010000030

Appraised value
$325,302
Tax year 2026 · after any cap, before exemptions
Living area
2,184 sqft
$149 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 decreased 0.3% from $326,401 in 2025 to $325,302 in 2026.
  • Appraised value per square footThe current public record shows about $149 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.

  • 21331 Park York Dr, Katy, TX 77450
    2,178 sqft | $147/sqft | built 1977 | Similar size (2,178 vs 2,184 sqft); Built same year (1977); Similar lot size (7,705 vs 7,705 sqft)
    $320,326
  • 21406 Park Tree Ln, Katy, TX 77450
    2,184 sqft | $137/sqft | built 1977 | Similar size (2,184 vs 2,184 sqft); Built same year (1977); Similar lot size (7,888 vs 7,705 sqft)
    $298,730
  • 21430 Park Brook Dr, Katy, TX 77450
    2,184 sqft | $137/sqft | built 1977 | Similar size (2,184 vs 2,184 sqft); Built same year (1977); Similar lot size (7,475 vs 7,705 sqft)
    $298,565
  • 21302 Park Bluff Dr, Katy, TX 77450
    2,184 sqft | $149/sqft | built 1978 | Similar size (2,184 vs 2,184 sqft); Similar age (1978 vs 1977); Similar lot size (7,392 vs 7,705 sqft)
    $324,881
  • 21119 Park York Dr, Katy, TX 77450
    2,188 sqft | $139/sqft | built 1980 | Similar size (2,188 vs 2,184 sqft); Similar age (1980 vs 1977); Similar lot size (7,540 vs 7,705 sqft)
    $305,109

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

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.