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

124 SOUTHERN CROSS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath1,886 sqftBuilt 2010

Property at a Glance

This home is estimated between $499,214 and $810,322, with a best estimate of $780,538. 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

$499,214 $810,322
Best Estimate
$780,538
WCAD Value
$526,438
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 $499,214 and $810,322. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

465 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,825 sqft Built 2013
Raw Value $859,021
Adjusted Value $531,255

Adjusted -$290,455 for 939 sqft less living space and -$37,311 for being older. Net adjustment: -$327,766.

200 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,605 sqft Built 2009
Raw Value $685,619
Adjusted Value $784,976

Adjusted +$86,920 for 281 sqft more living space and +$12,437 for being newer. Net adjustment: +$99,357.

449 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,132 sqft Built 2010
Raw Value $886,416
Adjusted Value $810,322

Adjusted -$76,094 for 246 sqft less living space. Net adjustment: -$76,094.

220 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,027 sqft Built 2010
Raw Value $852,153
Adjusted Value $499,214

Adjusted -$352,939 for 1,141 sqft less living space. Net adjustment: -$352,939.

228 SOUTHERN CROSS DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,069 sqft Built 2009
Raw Value $824,707
Adjusted Value $780,538

Adjusted -$56,606 for 183 sqft less living space and +$12,437 for being newer. Net adjustment: -$44,169.

The Neighborhood

This home is valued 32.6% 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
$526,438
Median
$781,434

This home is -32.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,550 across all districts. With a homestead exemption claimed, that drops to $9,203 — saving $1,347 per year. That's $767 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%$4,702
Brushy Creek MUDMUD0.3868%$2,036
Williamson CountyCounty0.3694%$1,945
Austin Community Collegespecial0.1034%$544
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$526
Brushy Creek MUD Defined AreaMUD0.0900%$474
Williamson County FM/RdCounty0.0443%$233
Upper Brushy Creek WCIDWater0.0170%$89
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$10,550

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $780,538 would pay approximately $4,872 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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