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

104 SOUTHERN CROSS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath2,104 sqftBuilt 2010

Property at a Glance

This home is estimated between $470,637 and $655,813, with a best estimate of $572,975. That places the property below the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$470,637 $655,813
Best Estimate
$572,975
WCAD Value
$557,609
Medium Confidence

Based on 5 comparable properties(4 in the same subdivision)

Based on 5 comparable properties (4 in the same subdivision, 1 nearby), the estimated range is $470,637 and $655,813. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

108 BUOY LN, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,233 sqft Built 2011
Raw Value $576,413
Adjusted Value $524,073

Adjusted -$39,903 for 129 sqft less living space and -$12,437 for being older. Net adjustment: -$52,340.

108 LONGITUDE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,825 sqft Built 2010
Raw Value $878,836
Adjusted Value $655,813

Adjusted -$223,023 for 721 sqft less living space. Net adjustment: -$223,023.

100 STARBOARD CT, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,989 sqft Built 2013
Raw Value $781,700
Adjusted Value $470,637

Adjusted -$273,752 for 885 sqft less living space and -$37,311 for being older. Net adjustment: -$311,063.

3 bed 2 bath 2,087 sqft Built 2002
Raw Value $468,220
Adjusted Value $572,975

Adjusted +$5,259 for 17 sqft more living space and +$99,496 for being newer. Net adjustment: +$104,755.

104 MARITIME WAY, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,886 sqft Built 2010
Raw Value $565,462
Adjusted Value $632,895

Adjusted +$67,433 for 218 sqft more living space. Net adjustment: +$67,433.

The Neighborhood

This home is valued 28.6% below the R302609C - HIGHLAND HORIZON median of $781,434. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

below average
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$557,609
Median
$781,434

This home is -28.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,175 across all districts. With a homestead exemption claimed, that drops to $9,822 — saving $1,353 per year. That's $819 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%$4,980
Brushy Creek MUDMUD0.3868%$2,157
Williamson CountyCounty0.3694%$2,060
Austin Community Collegespecial0.1034%$577
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$558
Brushy Creek MUD Defined AreaMUD0.0900%$502
Williamson County FM/RdCounty0.0443%$247
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$11,175

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $572,975 would pay approximately $3,576 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.

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