Williamson Value

4723 Ercolano Ln, Round Rock, TX 78665

5 bed / 3 bath, 3,702 sqft, built 2023, in H123421C - Salerno Appraised at $495,641 for 2026.

Williamson County account 460559

Appraised value
$495,641
Tax year 2026 · after any cap, before exemptions
Living area
3,702 sqft
$134 per sqft
Year built
2023

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, Salerno, 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 3.7% from $514,725 in 2025 to $495,641 in 2026.
  • Appraised value per square footThe current public record shows about $134 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the H123421C - Salerno neighborhood and ZIP 78665.
  • Neighborhood value signalAmong 964 residential records in the same neighborhood, the average appraised value is about $161 per square foot.

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.

  • 8109 Porto Cv, Round Rock, TX 78665
    September-30-2026 | 3,920 sqft | $156/sqft | built 2024 | 6% size difference (3,920 sqft); Similar age (2024); Sold after the valuation date
    $610,950
  • 8093 Arezzo Dr, Round Rock, TX 78665
    September-10-2026 | 3,717 sqft | $138/sqft | built 2017 | Similar size (3,717 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $512,000
  • 6122 Genova Pl, Round Rock, TX 78665
    July-10-2026 | 3,510 sqft | $131/sqft | built 2020 | 5% size difference (3,510 sqft); Similar age (2020); Sold after the valuation date
    $460,000
  • 6904 Etna Way, Round Rock, TX 78665
    September-16-2026 | 3,522 sqft | $159/sqft | built 2014 | Similar size (3,522 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $560,000
  • 3521 Ponce De Leon Pass, Round Rock, TX 78665
    July-14-2026 | 3,416 sqft | $198/sqft | built 2019 | 8% size difference (3,416 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $674,900

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.