Williamson Value

1107 Austin Ave E, Round Rock, TX 78664

1 bathrooms, 1,440 sqft, built 1979, in R701575F - Old Town Round Rock Appraised at $339,732 for 2026.

Williamson County account 123943

Appraised value
$339,732
Tax year 2026 · after any cap, before exemptions
Market value
$406,165
Living area
1,440 sqft
$236 per sqft
Year built
1979

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, Old Town Round Rock, 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 10.0% from $308,847 in 2025 to $339,732 in 2026.
  • Appraised value per square footThe current public record shows about $236 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $66,433 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the R701575F - Old Town Round Rock neighborhood and ZIP 78664.
  • Neighborhood value signalAmong 339 residential records in the same neighborhood, the average appraised value is about $242 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +10.1% 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.

  • 708 Greenwich Pl, Round Rock, TX 78664
    September-30-2026 | 1,400 sqft | $214/sqft | built 1982 | Similar size (1,400 sqft); Similar age (1982); Sold after the valuation date
    $299,999
  • 2003 James Pl, Round Rock, TX 78664
    October-1-2026 | 1,482 sqft | $209/sqft | built 1984 | Similar size (1,482 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $309,900
  • 2317 Windsong Trl, Round Rock, TX 78664
    September-18-2026 | 1,487 sqft | $208/sqft | built 1984 | Similar size (1,487 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $310,000
  • 908 Saunders Dr, Round Rock, TX 78664
    August-24-2026 | 1,485 sqft | $182/sqft | built 1985 | Similar size (1,485 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $269,999
  • 517 Maple Run, Round Rock, TX 78664
    September-4-2026 | 1,360 sqft | $232/sqft | built 1986 | 6% size difference (1,360 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $315,000

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.