Williamson Value

1 Longhorn Dr, Round Rock, TX 78681

4,033 sqft, built 1980, in L580D75C - Leander Sam Bass Area Appraised at $1,236,235 for 2026.

Williamson County account 90505

Appraised value
$1,236,235
Tax year 2026 · after any cap, before exemptions
Living area
4,033 sqft
$307 per sqft
Year built
1980

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, Leander Sam Bass 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 1.5% from $1,218,514 in 2025 to $1,236,235 in 2026.
  • Appraised value per square footThe current public record shows about $307 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the L580D75C - Leander Sam Bass Area neighborhood and ZIP 78681.
  • Neighborhood value signalAmong 370 residential records in the same neighborhood, the average appraised value is about $351 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.5% on average.

Comparable assessments

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

  • 109 Raley Rd, Cedar Park, TX 78613
    4,248 sqft | $333/sqft | built 1984 | 5% larger (4,248 vs 4,033 sqft); Similar age (1984 vs 1980); Similar lot size (87,120 vs 87,120 sqft)
    $1,415,533
  • 2204 Walsh Dr, Round Rock, TX 78681
    4,122 sqft | $284/sqft | built 1984 | Similar size (4,122 vs 4,033 sqft); Similar age (1984 vs 1980); Similar lot size (81,021 vs 87,120 sqft)
    $1,171,837
  • 2 Longhorn Dr, Round Rock, TX 78681
    3,463 sqft | $304/sqft | built 1978 | 14% smaller (3,463 vs 4,033 sqft); Similar age (1978 vs 1980); Similar lot size (87,120 vs 87,120 sqft)
    $1,052,304
  • 103 Raley Rd, Cedar Park, TX 78613
    3,380 sqft | $320/sqft | built 1986 | Similar lot size (87,120 vs 87,120 sqft); Both have pool; Same neighborhood
    $1,080,877
  • 2003 Vivian Dr, Round Rock, TX 78681
    3,564 sqft | $255/sqft | built 1985 | 12% smaller (3,564 vs 4,033 sqft); Similar age (1985 vs 1980); Similar lot size (86,510 vs 87,120 sqft)
    $908,915

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.