Beta Williamson County, TX only — data and coverage are limited during early access.

9420 SPECTRUM DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed38,452 sqftBuilt 2003

Property at a Glance

This home is appraised at $15,577,562. Without subdivision data, a comparison to similar nearby homes is not possible.

Estimated Value Range

WCAD Appraised Value $15,577,562

Comparable data is not yet available for this property. The Williamson County Appraisal District values it at $15,577,562.

The Neighborhood

Subdivision comparison data is not available for this property.

Tax Analysis

Tax analysis is not yet available for this property.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$139,123
AustinCity0.5240%$81,629
Williamson CountyCounty0.3694%$57,551
Austin Community Collegespecial0.1034%$16,107
Williamson County FM/RdCounty0.0443%$6,905
Upper Brushy Creek WCIDWater0.0170%$2,648
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$303,964

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

View full property details