Travis Value

3908 Island Knoll Dr, Austin, TX 78746

4 bathrooms, 4,990 sqft, built 1999, in K & J P Subd Rplt Appraised at $5,889,402 for 2026.

Travis County account 000000374866

Appraised value
$5,889,402
Tax year 2026 · after any cap, before exemptions
Living area
4,990 sqft
$1,180 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 K & J P 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 increased 9.1% from $5,398,977 in 2025 to $5,889,402 in 2026.
  • Appraised value per square footThe current public record shows about $1,180 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the K & J P Subd Rplt neighborhood and ZIP 78746.
  • Neighborhood value signalAmong 240 residential records in the same neighborhood, the average appraised value is about $915 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -5.4% 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.

  • 2417 Never Bend Cv, Austin, TX 78746
    October-5-2026 | 5,150 sqft | $481/sqft | built 1999 | Similar size (5,150 sqft); Similar age (1999); Sold after the valuation date
    $2,475,000
  • 4209 Dunning Ln, Austin, TX 78746
    August-12-2026 | 5,178 sqft | $666/sqft | built 1987 | Similar size (5,178 sqft); Sold after the valuation date
    $3,450,000
  • 4701 Via Media, Austin, TX 78746
    September-18-2026 | 5,107 sqft | $763/sqft | built 1996 | Similar size (5,107 sqft); Similar age (1996); Sold after the valuation date
    $3,897,000
  • 4713 Via Media, Austin, TX 78746
    May-27-2026 | 4,519 sqft | $642/sqft | built 1996 | 9% size difference (4,519 sqft); Similar age (1996); Sold after the valuation date
    $2,899,950
  • 4313 Rio Robles Dr, Austin, TX 78746
    July-16-2026 | 4,999 sqft | $500/sqft | built 1999 | Similar size (4,999 sqft); Similar age (1999); Sold after the valuation date
    $2,500,000

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.