Harris Value

21507 Oak Park Trails Dr, Katy, TX 77450

2,054 sqft, built 2003, in Oak Park Trails Appraised at $349,438 for 2026.

Harris County account 1234360030025

Appraised value
$349,438
Tax year 2026 · after any cap, before exemptions
Living area
2,054 sqft
$170 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 decreased 2.4% from $357,857 in 2025 to $349,438 in 2026.
  • Appraised value per square footThe current public record shows about $170 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.

  • 2042 Park Maple Dr, Katy, TX 77450
    2,054 sqft | $160/sqft | built 2001 | Similar size (2,054 vs 2,054 sqft); Similar age (2001 vs 2003); Similar lot size (9,153 vs 9,423 sqft)
    $328,545
  • 1902 Winding Hollow Dr, Katy, TX 77450
    2,054 sqft | $167/sqft | built 2002 | Similar size (2,054 vs 2,054 sqft); Similar age (2002 vs 2003); Similar lot size (8,917 vs 9,423 sqft)
    $343,704
  • 21503 Perrington Ct, Katy, TX 77450
    2,054 sqft | $167/sqft | built 2002 | Similar size (2,054 vs 2,054 sqft); Similar age (2002 vs 2003); Similar lot size (10,018 vs 9,423 sqft)
    $342,087
  • 2114 Park Maple Dr, Katy, TX 77450
    2,054 sqft | $165/sqft | built 2002 | Similar size (2,054 vs 2,054 sqft); Similar age (2002 vs 2003); Similar lot size (8,525 vs 9,423 sqft)
    $339,327
  • 21506 Oak Park Trails Dr, Katy, TX 77450
    2,054 sqft | $175/sqft | built 2003 | Similar size (2,054 vs 2,054 sqft); Built same year (2003); Lot 12% larger (10,530 vs 9,423 sqft)
    $358,631

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.

  • 1902 Winding Hollow Dr, Katy, TX 77450
    July-14-2026 | 2,054 sqft | $165/sqft | built 2002 | Similar size (2,054 sqft); Similar age (2002); Sold after the valuation date
    $338,000
  • 1419 Lamplight Trail Dr, Katy, TX 77450
    July-13-2026 | 2,046 sqft | $178/sqft | built 1994 | Similar size (2,046 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $365,000
  • 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
  • 23039 Indian Ridge Dr, Katy, TX 77450
    August-12-2026 | 2,010 sqft | $167/sqft | built 1992 | Similar size (2,010 sqft); Sold after the valuation date
    $335,000
  • 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 (10 years older); Sold after the valuation date
    $345,000

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.