Williamson Value

3672 Fossilwood Way, Round Rock, TX 78681

2 bathrooms, 2,540 sqft, built 2005, in L498506D - Village At Mayfield Appraised at $533,181 for 2026.

Williamson County account 259867

Appraised value
$533,181
Tax year 2026 · after any cap, before exemptions
Living area
2,540 sqft
$210 per sqft
Year built
2005

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 78681, Village At Mayfield, and Round Rock 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 increased 1.1% from $527,366 in 2025 to $533,181 in 2026.
  • Appraised value per square footThe current public record shows about $210 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the L498506D - Village At Mayfield neighborhood and ZIP 78681.
  • Neighborhood value signalAmong 695 residential records in the same neighborhood, the average appraised value is about $193 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -4.4% 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.

  • 3843 Derby Trl, Round Rock, TX 78681
    September-25-2026 | 2,552 sqft | $176/sqft | built 2003 | Similar size (2,552 sqft); Similar age (2003); Sold after the valuation date
    $449,900
  • 3720 Fossilwood Way, Round Rock, TX 78681
    August-4-2026 | 2,540 sqft | $207/sqft | built 2005 | Similar size (2,540 sqft); Similar age (2005); Sold after the valuation date
    $525,000
  • 3769 Turetella Dr, Round Rock, TX 78681
    August-18-2026 | 2,581 sqft | $221/sqft | built 2004 | Similar size (2,581 sqft); Similar age (2004); Sold after the valuation date
    $569,900
  • 2985 Peacemaker St, Round Rock, TX 78681
    August-13-2026 | 2,605 sqft | $186/sqft | built 2005 | Similar size (2,605 sqft); Similar age (2005); Sold after the valuation date
    $485,000
  • 4109 Massey Way, Round Rock, TX 78681
    September-15-2026 | 2,726 sqft | $220/sqft | built 2005 | 7% size difference (2,726 sqft); Similar age (2005); Sold after the valuation date
    $600,000

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.