Harris Value

21127 Park Valley Dr, Katy, TX 77450

2,026 sqft, built 1985, in Memorial Parkway Appraised at $277,965 for 2026.

Harris County account 1159500670008

Appraised value
$277,965
Tax year 2026 · after any cap, before exemptions
Living area
2,026 sqft
$137 per sqft
Year built
1985
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 2.5% from $271,083 in 2025 to $277,965 in 2026.
  • Appraised value per square footThe current public record shows about $137 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 125 residential records in the same neighborhood, the average appraised value is about $140 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.9% on average.

Comparable assessments

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

  • 21247 Park Bluff Dr, Katy, TX 77450
    2,016 sqft | $137/sqft | built 1986 | Similar size (2,016 vs 2,026 sqft); Similar age (1986 vs 1985); Similar lot size (7,094 vs 7,192 sqft)
    $276,978
  • 1519 Park Briar Dr, Katy, TX 77450
    1,972 sqft | $137/sqft | built 1985 | Similar size (1,972 vs 2,026 sqft); Built same year (1985); Similar lot size (7,308 vs 7,192 sqft)
    $270,116
  • 21227 Park Run Dr, Katy, TX 77450
    1,992 sqft | $139/sqft | built 1988 | Similar size (1,992 vs 2,026 sqft); Similar age (1988 vs 1985); Similar lot size (7,062 vs 7,192 sqft)
    $277,031
  • 1535 Park Briar Dr, Katy, TX 77450
    1,962 sqft | $138/sqft | built 1986 | Similar size (1,962 vs 2,026 sqft); Similar age (1986 vs 1985); Similar lot size (7,353 vs 7,192 sqft)
    $270,654
  • 21203 Park Valley Dr, Katy, TX 77450
    1,932 sqft | $139/sqft | built 1986 | Similar size (1,932 vs 2,026 sqft); Similar age (1986 vs 1985); Similar lot size (7,192 vs 7,192 sqft)
    $268,631

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.

  • 1211 Lamplight Trail Dr, Katy, TX 77450
    September-10-2026 | 2,039 sqft | $169/sqft | built 1993 | Similar size (2,039 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $345,000
  • 22526 Vista Valley Dr, Katy, TX 77450
    July-30-2026 | 2,027 sqft | $153/sqft | built 1987 | Similar size (2,027 sqft); Similar age (1987); Sold after the valuation date
    $310,000
  • 22818 Orchard Oak Ln, Katy, TX 77450
    August-18-2026 | 1,987 sqft | $181/sqft | built 1994 | Similar size (1,987 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $360,000
  • 20319 Monkswood Dr, Katy, TX 77450
    August-21-2026 | 2,118 sqft | $165/sqft | built 1978 | Similar size (2,118 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $350,000
  • 21115 Park Bend Dr, Katy, TX 77450
    August-3-2026 | 2,109 sqft | $151/sqft | built 1979 | Similar size (2,109 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $319,000

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.