Harris Value

21535 Perrington Ct, Katy, TX 77450

3,212 sqft, built 2003, in Oak Park Trails Appraised at $409,712 for 2026.

Harris County account 1234360040018

Appraised value
$409,712
Tax year 2026 · after any cap, before exemptions
Living area
3,212 sqft
$128 per sqft
Year built
2003
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 increased 4.8% from $391,049 in 2025 to $409,712 in 2026.
  • Appraised value per square footThe current public record shows about $128 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.

  • 21523 Tallow Grove Ln, Katy, TX 77450
    3,212 sqft | $128/sqft | built 2003 | Similar size (3,212 vs 3,212 sqft); Built same year (2003); Similar lot size (7,200 vs 7,289 sqft)
    $409,603
  • 21535 Tallow Grove Ln, Katy, TX 77450
    3,212 sqft | $128/sqft | built 2003 | Similar size (3,212 vs 3,212 sqft); Built same year (2003); Similar lot size (7,200 vs 7,289 sqft)
    $411,890
  • 2007 Bluffton Ln, Katy, TX 77450
    3,212 sqft | $131/sqft | built 2003 | Similar size (3,212 vs 3,212 sqft); Built same year (2003); Similar lot size (7,200 vs 7,289 sqft)
    $421,154
  • 21519 Perrington Ct, Katy, TX 77450
    3,212 sqft | $128/sqft | built 2002 | Similar size (3,212 vs 3,212 sqft); Similar age (2002 vs 2003); Similar lot size (7,211 vs 7,289 sqft)
    $412,720
  • 2127 Enchanted Park Ln, Katy, TX 77450
    3,212 sqft | $136/sqft | built 2004 | Similar size (3,212 vs 3,212 sqft); Similar age (2004 vs 2003); Similar lot size (7,200 vs 7,289 sqft)
    $437,539

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.

  • 22919 Heathercroft Dr, Katy, TX 77450
    September-30-2026 | 3,424 sqft | $143/sqft | built 1998 | 7% size difference (3,424 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $489,000
  • 2406 Gable Hollow Ln, Katy, TX 77450
    August-7-2026 | 3,393 sqft | $118/sqft | built 2006 | 6% size difference (3,393 sqft); Similar age (2006); Sold after the valuation date
    $399,000
  • 22814 Pennyrile Ln, Katy, TX 77450
    July-16-2026 | 3,389 sqft | $156/sqft | built 1996 | 6% size difference (3,389 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $529,000
  • 23006 Heathercroft Dr, Katy, TX 77450
    July-27-2026 | 3,351 sqft | $134/sqft | built 1998 | Similar size (3,351 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $450,000
  • 20723 Autumn Terrace Ln, Katy, TX 77450
    July-17-2026 | 3,469 sqft | $150/sqft | built 2002 | 8% size difference (3,469 sqft); Similar age (2002); Sold after the valuation date
    $519,990

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.