Harris Value

21538 Perrington Ct, Katy, TX 77450

2,121 sqft, built 2002, in Oak Park Trails Appraised at $348,142 for 2026.

Harris County account 1234360040002

Appraised value
$348,142
Tax year 2026 · after any cap, before exemptions
Living area
2,121 sqft
$164 per sqft
Year built
2002
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, Oak Park Trails, 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 $349,016 in 2025 to $348,142 in 2026.
  • Appraised value per square footThe current public record shows about $164 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Oak Park Trails neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 871 residential records in the same neighborhood, the average appraised value is about $148 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.6% on average.

Comparable assessments

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

  • 2015 Bluffton Ln, Katy, TX 77450
    2,153 sqft | $160/sqft | built 2002 | Similar size (2,153 vs 2,121 sqft); Built same year (2002); Similar lot size (7,200 vs 7,190 sqft)
    $344,740
  • 21535 Oak Park Trails Dr, Katy, TX 77450
    2,122 sqft | $164/sqft | built 2003 | Similar size (2,122 vs 2,121 sqft); Similar age (2003 vs 2002); Similar lot size (7,319 vs 7,190 sqft)
    $348,653
  • 2015 Stanford Park Ct, Katy, TX 77450
    2,087 sqft | $157/sqft | built 2000 | Similar size (2,087 vs 2,121 sqft); Similar age (2000 vs 2002); Similar lot size (7,178 vs 7,190 sqft)
    $327,750
  • 21607 Park Timbers Ln, Katy, TX 77450
    2,079 sqft | $156/sqft | built 2001 | Similar size (2,079 vs 2,121 sqft); Similar age (2001 vs 2002); Similar lot size (7,099 vs 7,190 sqft)
    $324,644
  • 1919 Winding Hollow Dr, Katy, TX 77450
    2,077 sqft | $155/sqft | built 2000 | Similar size (2,077 vs 2,121 sqft); Similar age (2000 vs 2002); Similar lot size (7,232 vs 7,190 sqft)
    $322,557

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 (9 years older); Sold after the valuation date
    $345,000
  • 21318 Twisted Willow Ln, Katy, TX 77450
    July-30-2026 | 2,183 sqft | $151/sqft | built 2002 | Similar size (2,183 sqft); Similar age (2002); Sold after the valuation date
    $330,000
  • 2022 Bluffton Ln, Katy, TX 77450
    July-2-2026 | 2,054 sqft | $195/sqft | built 2002 | Similar size (2,054 sqft); Similar age (2002); Sold after the valuation date
    $400,000
  • 1219 Hollow Ash Ln, Katy, TX 77450
    September-16-2026 | 2,334 sqft | $156/sqft | built 1993 | 10% size difference (2,334 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $365,000
  • 22818 Orchard Oak Ln, Katy, TX 77450
    August-18-2026 | 1,987 sqft | $181/sqft | built 1994 | 6% size difference (1,987 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $360,000

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.