Williamson Value

3824 Aqua Ln, Round Rock, TX 78681

2 bathrooms, 1,835 sqft, built 2004, in L498506D - Village At Mayfield Appraised at $391,862 for 2026.

Williamson County account 255101

Appraised value
$391,862
Tax year 2026 · after any cap, before exemptions
Living area
1,835 sqft
$214 per sqft
Year built
2004

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 decreased 11.1% from $440,553 in 2025 to $391,862 in 2026.
  • Appraised value per square footThe current public record shows about $214 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.

  • 8414 Ironweed Run, Round Rock, TX 78681
    September-21-2026 | 1,861 sqft | $252/sqft | built 1997 | Similar size (1,861 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $469,000
  • 3477 Flowstone Ln, Round Rock, TX 78681
    September-17-2026 | 1,957 sqft | $194/sqft | built 2003 | 7% size difference (1,957 sqft); Similar age (2003); Sold after the valuation date
    $379,000
  • 3549 Rock Shelf Ln, Round Rock, TX 78681
    September-30-2026 | 1,682 sqft | $217/sqft | built 2000 | 8% size difference (1,682 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $365,000
  • 2103 Woodston Dr, Round Rock, TX 78681
    August-14-2026 | 1,889 sqft | $238/sqft | built 1999 | Similar size (1,889 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $449,000
  • 3349 Cantera Way, Round Rock, TX 78681
    September-22-2026 | 1,682 sqft | $229/sqft | built 2001 | 8% size difference (1,682 sqft); Similar age (2001); Sold after the valuation date
    $385,000

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.