Williamson Value

15309 Prestancia Dr, Austin, TX 78717

4 bathrooms, 3,538 sqft, built 2002, in L575502C - Avery Ranch North & Brookside Appraised at $825,666 for 2026.

Williamson County account 229381

Appraised value
$825,666
Tax year 2026 · after any cap, before exemptions
Living area
3,538 sqft
$233 per sqft
Year built
2002

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 78717, Avery Ranch North & Brookside, and Cedar Park 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 mailed, 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 WCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 2.7% from $848,907 in 2025 to $825,666 in 2026.
  • Appraised value per square footThe current public record shows about $233 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the L575502C - Avery Ranch North & Brookside neighborhood and ZIP 78717.
  • Neighborhood value signalAmong 384 residential records in the same neighborhood, the average appraised value is about $229 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.7% 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.

  • 9904 Bundoran Dr, Austin, TX 78717
    September-30-2026 | 3,751 sqft | $224/sqft | built 2002 | 6% size difference (3,751 sqft); Similar age (2002); Sold after the valuation date
    $840,000
  • 15613 Echo Hills Dr, Austin, TX 78717
    September-25-2026 | 3,318 sqft | $219/sqft | built 2006 | 6% size difference (3,318 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $725,000
  • 9807 Nepal Cv, Austin, TX 78717
    September-28-2026 | 3,587 sqft | $188/sqft | built 1995 | Similar size (3,587 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $675,000
  • 15516 Belfin Dr, Austin, TX 78717
    August-7-2026 | 3,731 sqft | $210/sqft | built 2005 | 6% size difference (3,731 sqft); Similar age (2005); Sold after the valuation date
    $785,000
  • 10400 Roy Butler Dr, Austin, TX 78717
    September-12-2026 | 3,976 sqft | $238/sqft | built 2004 | 12% size difference (3,976 sqft); Similar age (2004); Sold after the valuation date
    $945,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Williamson Central Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.