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

109 SOUTHERN CROSS DR, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2 bath2,261 sqftBuilt 2022

Property at a Glance

This home is estimated between $721,880 and $1,148,528, with a best estimate of $767,389. 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

$721,880 $1,148,528
Best Estimate
$767,389
WCAD Value
$719,539
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 $721,880 and $1,148,528. 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 $721,880

Adjusted +$8,661 for 28 sqft more living space and +$136,806 for being newer. Net adjustment: +$145,467.

4 bed 2 bath 2,223 sqft Built 2012
Raw Value $1,012,405
Adjusted Value $1,148,528

Adjusted +$11,754 for 38 sqft more living space and +$124,369 for being newer. Net adjustment: +$136,123.

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 $830,702

Adjusted +$115,997 for 375 sqft more living space and +$149,243 for being newer. Net adjustment: +$265,240.

109 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,679 sqft Built 2009
Raw Value $691,479
Adjusted Value $723,861

Adjusted -$129,298 for 418 sqft less living space and +$161,680 for being newer. Net adjustment: +$32,382.

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 $767,389

Adjusted +$106,408 for 344 sqft more living space and +$124,369 for being newer. Net adjustment: +$230,777.

The Neighborhood

This home is valued 7.9% 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
$719,539
Median
$781,434

This home is -7.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $14,420 across all districts. With a homestead exemption claimed, that drops to $13,037 — saving $1,383 per year. That's $1,086 per month a buyer should budget. The assessed value increased +5.6% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 32 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$6,426
Brushy Creek MUDMUD0.3868%$2,783
Williamson CountyCounty0.3694%$2,658
Austin Community Collegespecial0.1034%$744
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$720
Brushy Creek MUD Defined AreaMUD0.0900%$648
Williamson County FM/RdCounty0.0443%$319
Upper Brushy Creek WCIDWater0.0170%$122
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$14,420
32 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $767,389 would pay approximately $4,790 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