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

105 SOUTHERN CROSS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath1,625 sqftBuilt 2011

Property at a Glance

This home is estimated between $433,852 and $780,506, with a best estimate of $517,704. 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

$433,852 $780,506
Best Estimate
$517,704
WCAD Value
$702,389
High Confidence

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

Based on 5 comparable properties in R302609C - HIGHLAND HORIZON, this home's estimated market value is between $433,852 and $780,506. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

109 LATITUDE LN, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,586 sqft Built 2009
Raw Value $736,384
Adjusted Value $773,322

Adjusted +$12,064 for 39 sqft more living space and +$24,874 for being newer. Net adjustment: +$36,938.

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 $497,165

Adjusted -$80,734 for 261 sqft less living space and +$12,437 for being newer. Net adjustment: -$68,297.

108 BEARING CV, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,595 sqft Built 2009
Raw Value $746,352
Adjusted Value $780,506

Adjusted +$9,280 for 30 sqft more living space and +$24,874 for being newer. Net adjustment: +$34,154.

104 BUOY LN, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,917 sqft Built 2012
Raw Value $536,612
Adjusted Value $433,852

Adjusted -$90,323 for 292 sqft less living space and -$12,437 for being older. Net adjustment: -$102,760.

108 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 1,973 sqft Built 2011
Raw Value $625,349
Adjusted Value $517,704

Adjusted -$107,645 for 348 sqft less living space. Net adjustment: -$107,645.

The Neighborhood

This home is valued 10.1% 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

typical
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$702,389
Median
$781,434

This home is -10.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,077 across all districts. With a homestead exemption claimed, that drops to $12,697 — saving $1,380 per year. That's $1,058 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%$6,273
Brushy Creek MUDMUD0.3868%$2,717
Williamson CountyCounty0.3694%$2,595
Austin Community Collegespecial0.1034%$726
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$702
Brushy Creek MUD Defined AreaMUD0.0900%$632
Williamson County FM/RdCounty0.0443%$311
Upper Brushy Creek WCIDWater0.0170%$119
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,077

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $517,704 would pay approximately $3,231 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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