Harris Value

21506 Big Wood Springs Dr, Katy, TX 77450

3,386 sqft, built 1993, in Memorial Parkway Appraised at $520,327 for 2026.

Harris County account 1174440020056

Appraised value
$520,327
Tax year 2026 · after any cap, before exemptions
Living area
3,386 sqft
$154 per sqft
Year built
1993
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 stayed about the same, from $520,327 in 2025 to $520,327 in 2026.
  • Appraised value per square footThe current public record shows about $154 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 138 residential records in the same neighborhood, the average appraised value is about $158 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.9% on average.

Comparable assessments

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

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 | Similar size (3,424 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $489,000
  • 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 newer); Sold after the valuation date
    $450,000
  • 20502 Chadbury Park Dr, Katy, TX 77450
    September-30-2026 | 3,672 sqft | $132/sqft | built 1990 | 8% size difference (3,672 sqft); Similar age (1990); Sold after the valuation date
    $484,900
  • 22814 Pennyrile Ln, Katy, TX 77450
    July-16-2026 | 3,389 sqft | $156/sqft | built 1996 | Similar size (3,389 sqft); Similar age (1996); Sold after the valuation date
    $529,000
  • 20603 Morning Creek Dr, Katy, TX 77450
    August-26-2026 | 3,725 sqft | $134/sqft | built 1998 | 10% size difference (3,725 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $499,900

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.