Williamson Value

4204 Green Vista Pl, Round Rock, TX 78665

3 bathrooms, 4,612 sqft, built 2005, in R417506E - Teravista R4 Appraised at $622,273 for 2026.

Williamson County account 254893

Appraised value
$622,273
Tax year 2026 · after any cap, before exemptions
Living area
4,612 sqft
$135 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 78665, Teravista R4, 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 2.4% from $637,727 in 2025 to $622,273 in 2026.
  • Appraised value per square footThe current public record shows about $135 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the R417506E - Teravista R4 neighborhood and ZIP 78665.
  • Neighborhood value signalAmong 1,632 residential records in the same neighborhood, the average appraised value is about $178 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -5.3% 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.

  • 1501 Lake Forest Cv, Round Rock, TX 78665
    September-2-2026 | 4,415 sqft | $151/sqft | built 2006 | Similar size (4,415 sqft); Similar age (2006); Sold after the valuation date
    $664,900
  • 701 Old Ravine Ct, Round Rock, TX 78665
    July-15-2026 | 4,636 sqft | $146/sqft | built 2005 | Similar size (4,636 sqft); Similar age (2005); Sold after the valuation date
    $675,000
  • 4523 Sansone Dr, Round Rock, TX 78665
    July-17-2026 | 4,726 sqft | $190/sqft | built 2013 | Similar size (4,726 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $899,900
  • 2828 Collingwood Dr, Round Rock, TX 78665
    August-20-2026 | 4,181 sqft | $236/sqft | built 2008 | 9% size difference (4,181 sqft); Similar age (2008); Sold after the valuation date
    $985,000
  • 2614 Collingwood Dr, Round Rock, TX 78665
    July-16-2026 | 4,527 sqft | $259/sqft | built 2001 | Similar size (4,527 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $1,174,000

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.