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

10138 CASSANDRA DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,248 sqftBuilt 1999

Property at a Glance

This home is estimated between $520,970 and $581,766, with a best estimate of $561,042. That places the property below the R203597D - Davis Springs, All Sections median of $592,479, in a neighborhood that declined 2.9% over the past year.

Estimated Value Range

$520,970 $581,766
Best Estimate
$561,042
WCAD Value
$544,614
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R203597D - Davis Springs, All Sections, this home's estimated market value is between $520,970 and $581,766. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

10134 CASSANDRA DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,071 sqft Built 1999
Raw Value $523,323
Adjusted Value $581,766

Adjusted +$58,443 for 177 sqft more living space. Net adjustment: +$58,443.

10142 CASSANDRA DR, AUSTIN, TX 78717
0.01 mi 100% similar Same subdivision
4 bed 2 bath 2,140 sqft Built 1997
Raw Value $520,145
Adjusted Value $561,042

Adjusted +$35,660 for 108 sqft more living space and +$5,237 for being newer. Net adjustment: +$40,897.

10131 ANDORA DR, AUSTIN, TX 78717
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,354 sqft Built 1997
Raw Value $550,733
Adjusted Value $520,970

Adjusted -$35,000 for 106 sqft less living space and +$5,237 for being newer. Net adjustment: -$29,763.

10201 ANDORA DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,162 sqft Built 1997
Raw Value $529,383
Adjusted Value $563,016

Adjusted +$28,396 for 86 sqft more living space and +$5,237 for being newer. Net adjustment: +$33,633.

10205 ANDORA DR, AUSTIN, TX 78717
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,363 sqft Built 1997
Raw Value $561,126
Adjusted Value $528,392

Adjusted -$37,971 for 115 sqft less living space and +$5,237 for being newer. Net adjustment: -$32,734.

The Neighborhood

This home is valued 8.1% below the R203597D - Davis Springs, All Sections median of $592,479. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 2.9% over the past year.

R203597D - Davis Springs, All Sections

typical
552 Properties
$592,479 Median Value
-2.9% YoY Change
1% Have Pool
100% Have Garage
This Home
$544,614
Median
$592,479

This home is -8.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,627 across all districts. With a homestead exemption claimed, that drops to $8,705 — saving $1,922 per year. That's $725 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,864
AustinCity0.5240%$2,854
Williamson CountyCounty0.3694%$2,012
Austin Community Collegespecial0.1034%$563
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9513%$10,627

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $561,042 would pay approximately $3,502 per month (principal and interest only, excluding taxes and insurance).

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