Williamson Value

503 Windsor Rd, Round Rock, TX 78664

2 bathrooms, 1,856 sqft, built 1978, in R604482H - Kensington / Windy Terrace 1985 And Older Appraised at $315,605 for 2026.

Williamson County account 121048

Appraised value
$315,605
Tax year 2026 · after any cap, before exemptions
Living area
1,856 sqft
$170 per sqft
Year built
1978

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, Kensington / Windy Terrace 1985 And Older, 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 8.7% from $345,664 in 2025 to $315,605 in 2026.
  • Appraised value per square footThe current public record shows about $170 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the R604482H - Kensington / Windy Terrace 1985 And Older neighborhood and ZIP 78664.
  • Neighborhood value signalAmong 459 residential records in the same neighborhood, the average appraised value is about $201 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -9.5% 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.

  • 304 White Wing Way, Round Rock, TX 78664
    August-26-2026 | 2,016 sqft | $176/sqft | built 1977 | 9% size difference (2,016 sqft); Similar age (1977); Sold after the valuation date
    $355,000
  • 300 Pecan Ln, Round Rock, TX 78664
    July-20-2026 | 1,832 sqft | $172/sqft | built 1985 | Similar size (1,832 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $315,000
  • 2103 Lancaster Gate Cv, Round Rock, TX 78664
    September-23-2026 | 1,748 sqft | $123/sqft | built 1986 | 6% size difference (1,748 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $215,000
  • 2118 Zephyr Ln, Round Rock, TX 78664
    June-22-2026 | 1,792 sqft | $190/sqft | built 1985 | Similar size (1,792 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $340,000
  • 526 Dennis Dr, Round Rock, TX 78664
    June-29-2026 | 1,688 sqft | $175/sqft | built 1976 | 9% size difference (1,688 sqft); Similar age (1976); Sold after the valuation date
    $295,000

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.