Williamson Value

12911 Muldoon Dr, Austin, TX 78729

1,857 sqft, built 1986, in R3P3485G - Milwood Sec 22,23,26,27 - Partially In Tcad Appraised at $425,234 for 2026.

Williamson County account 142769

Appraised value
$425,234
Tax year 2026 · after any cap, before exemptions
Living area
1,857 sqft
$229 per sqft
Year built
1986

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 78729 and Milwood Sec 22,23,26,27 - Partially In Tcad 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 2.9% from $437,974 in 2025 to $425,234 in 2026.
  • Appraised value per square footThe current public record shows about $229 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the R3P3485G - Milwood Sec 22,23,26,27 - Partially In Tcad neighborhood and ZIP 78729.
  • Neighborhood value signalAmong 541 residential records in the same neighborhood, the average appraised value is about $246 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.8% 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.

  • 8112 Chainfire Cv, Austin, TX 78729
    September-18-2026 | 1,700 sqft | $253/sqft | built 1985 | 8% size difference (1,700 sqft); Similar age (1985); Sold after the valuation date
    $430,000
  • 7400 Peabody Dr, Austin, TX 78729
    September-30-2026 | 1,960 sqft | $255/sqft | built 1994 | 6% size difference (1,960 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $499,000
  • 12806 Blackfoot Trl, Austin, TX 78729
    August-28-2026 | 1,684 sqft | $267/sqft | built 1987 | 9% size difference (1,684 sqft); Similar age (1987); Sold after the valuation date
    $449,000
  • 13106 Overton Pass, Austin, TX 78729
    July-17-2026 | 1,752 sqft | $271/sqft | built 1989 | 6% size difference (1,752 sqft); Similar age (1989); Sold after the valuation date
    $475,000
  • 12907 Springvale Dr, Austin, TX 78729
    September-8-2026 | 1,704 sqft | $275/sqft | built 1974 | 8% size difference (1,704 sqft); Sold after the valuation date
    $469,000

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.