Travis Value

3900 Island Knoll Dr, Austin, TX 78746

10 bathrooms, 10,991 sqft, built 1999 Appraised at $6,916,745 for 2026.

Travis County account 000000374865

Appraised value
$6,916,745
Tax year 2026 · after any cap, before exemptions
Living area
10,991 sqft
$629 per sqft
Year built
1999
Homestead
Yes
Owner-occupied exemption on file

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 78746 and TCAD Appraisal Area M1000WF 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 TCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value stayed about the same, from $6,916,745 in 2025 to $6,916,745 in 2026.
  • Appraised value per square footThe current public record shows about $629 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 78746.
  • Neighborhood value signalAmong 149 residential records in the same neighborhood, the average appraised value is about $927 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.9% on average.

Comparable assessments

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

  • 1400 Rockcliff Rd, Austin, TX 78746
    10,626 sqft | $652/sqft | built 1998 | Similar size (10,626 vs 10,991 sqft); Similar age (1998 vs 1999); Similar lot size (63,571 vs 62,491 sqft)
    $6,931,336
  • 1204 Rockcliff Rd, Austin, TX 78746
    10,235 sqft | $757/sqft | built 2007 | 7% smaller (10,235 vs 10,991 sqft); Similar lot size (60,809 vs 62,491 sqft); Same neighborhood
    $7,750,698
  • 2611 Westlake Dr, Austin, TX 78746
    9,347 sqft | $728/sqft | built 2002 | 15% smaller (9,347 vs 10,991 sqft); Similar age (2002 vs 1999); Similar lot size (64,359 vs 62,491 sqft)
    $6,806,513
  • 1208 Rockcliff Rd, Austin, TX 78746
    9,228 sqft | $1,266/sqft | built 2003 | Similar age (2003 vs 1999); Similar lot size (63,797 vs 62,491 sqft); Same neighborhood
    $11,678,003
  • 3317 Westlake Dr, Austin, TX 78746
    9,945 sqft | $602/sqft | built 2007 | 10% smaller (9,945 vs 10,991 sqft); Lot 10% larger (68,903 vs 62,491 sqft); Same neighborhood
    $5,981,960

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: Travis Central Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.