Williamson Value

21 Wildflower Trl, Round Rock, TX 78664

2,473 sqft, built 1975, in R575583D - Rr Rual Sub 122 & Gattis School Rd Area Appraised at $729,945 for 2026.

Williamson County account 111670

Appraised value
$729,945
Tax year 2026 · after any cap, before exemptions
Living area
2,473 sqft
$295 per sqft
Year built
1975

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 78664, Rr Rual Sub 122 & Gattis School Rd Area, 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 6.8% from $683,759 in 2025 to $729,945 in 2026.
  • Appraised value per square footThe current public record shows about $295 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the R575583D - Rr Rual Sub 122 & Gattis School Rd Area neighborhood and ZIP 78664.
  • Neighborhood value signalAmong 191 residential records in the same neighborhood, the average appraised value is about $294 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.9% on average.

Comparable assessments

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

  • 10 Valley Trl, Round Rock, TX 78664
    2,537 sqft | $293/sqft | built 1980 | Similar size (2,537 vs 2,473 sqft); Similar age (1980 vs 1975); Lot 11% smaller (103,237 vs 116,130 sqft)
    $743,696
  • 3 Highland Ter, Round Rock, TX 78665
    2,534 sqft | $301/sqft | built 1982 | Similar size (2,534 vs 2,473 sqft); Similar lot size (108,333 vs 116,130 sqft); Same neighborhood
    $762,099
  • 3809 Doris Ln, Round Rock, TX 78664
    2,548 sqft | $325/sqft | built 1983 | Similar size (2,548 vs 2,473 sqft); Similar lot size (108,900 vs 116,130 sqft); Same neighborhood
    $827,914
  • 1234 Red Bud Ln, Round Rock, TX 78664
    2,642 sqft | $340/sqft | built 1974 | 7% larger (2,642 vs 2,473 sqft); Similar age (1974 vs 1975); Lot 16% larger (134,147 vs 116,130 sqft)
    $899,544
  • 1850 Red Bud Ln, Round Rock, TX 78665
    2,374 sqft | $297/sqft | built 1989 | Similar size (2,374 vs 2,473 sqft); Lot 15% smaller (99,273 vs 116,130 sqft); Same neighborhood
    $706,087

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.

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.