Harris Value

21727 Ashford Grv, Katy, TX 77450

3,622 sqft, built 2002, in Oak Park Trails Appraised at $439,544 for 2026.

Harris County account 1222000010028

Appraised value
$439,544
Tax year 2026 · after any cap, before exemptions
Living area
3,622 sqft
$121 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 increased 4.1% from $422,172 in 2025 to $439,544 in 2026.
  • Appraised value per square footThe current public record shows about $121 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.

  • 1919 Bevington Oaks Cir, Katy, TX 77450
    3,712 sqft | $119/sqft | built 2002 | Similar size (3,712 vs 3,622 sqft); Built same year (2002); Similar lot size (7,337 vs 7,391 sqft)
    $441,492
  • 21511 Tallow Grove Ln, Katy, TX 77450
    3,565 sqft | $127/sqft | built 2002 | Similar size (3,565 vs 3,622 sqft); Built same year (2002); Similar lot size (7,582 vs 7,391 sqft)
    $452,109
  • 21726 Ashford Grv, Katy, TX 77450
    3,716 sqft | $134/sqft | built 2002 | Similar size (3,716 vs 3,622 sqft); Built same year (2002); Similar lot size (7,466 vs 7,391 sqft)
    $496,219
  • 2223 Winding Hollow Ln, Katy, TX 77450
    3,712 sqft | $120/sqft | built 2002 | Similar size (3,712 vs 3,622 sqft); Built same year (2002); Similar lot size (7,229 vs 7,391 sqft)
    $443,679
  • 21615 Ashford Grv, Katy, TX 77450
    3,712 sqft | $125/sqft | built 2002 | Similar size (3,712 vs 3,622 sqft); Built same year (2002); Similar lot size (7,556 vs 7,391 sqft)
    $465,460

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.

  • 20502 Chadbury Park Dr, Katy, TX 77450
    September-30-2026 | 3,672 sqft | $132/sqft | built 1990 | Similar size (3,672 sqft); Sold after the valuation date
    $484,900
  • 22919 Heathercroft Dr, Katy, TX 77450
    September-30-2026 | 3,424 sqft | $143/sqft | built 1998 | 6% size difference (3,424 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $489,000
  • 20603 Morning Creek Dr, Katy, TX 77450
    August-26-2026 | 3,725 sqft | $134/sqft | built 1998 | Similar size (3,725 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $499,900
  • 20723 Autumn Terrace Ln, Katy, TX 77450
    July-17-2026 | 3,469 sqft | $150/sqft | built 2002 | Similar size (3,469 sqft); Similar age (2002); Sold after the valuation date
    $519,990
  • 1118 Sherfield Ridge Dr, Katy, TX 77450
    August-21-2026 | 3,538 sqft | $201/sqft | built 1989 | Similar size (3,538 sqft); Sold after the valuation date
    $709,700

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.