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

140 ARCHIPELAGO TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed3 bath2,319 sqftBuilt 2013

Property at a Glance

This home is estimated between $653,813 and $978,097, with a best estimate of $934,017. That places the property above the R302609C - HIGHLAND HORIZON median of $781,434, in a neighborhood that appreciated 2.3% over the past year.

Estimated Value Range

$653,813 $978,097
Best Estimate
$934,017
WCAD Value
$980,108
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 $653,813 and $978,097. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

144 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,518 sqft Built 2013
Raw Value $1,039,653
Adjusted Value $978,097

Adjusted -$61,556 for 199 sqft less living space. Net adjustment: -$61,556.

145 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,779 sqft Built 2012
Raw Value $783,665
Adjusted Value $653,813

Adjusted -$142,289 for 460 sqft less living space and +$12,437 for being newer. Net adjustment: -$129,852.

145 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,098 sqft Built 2011
Raw Value $561,628
Adjusted Value $654,863

Adjusted +$68,361 for 221 sqft more living space and +$24,874 for being newer. Net adjustment: +$93,235.

140 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,143 sqft Built 2012
Raw Value $883,685
Adjusted Value $950,563

Adjusted +$54,441 for 176 sqft more living space and +$12,437 for being newer. Net adjustment: +$66,878.

141 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,625 sqft Built 2011
Raw Value $694,472
Adjusted Value $934,017

Adjusted +$214,671 for 694 sqft more living space and +$24,874 for being newer. Net adjustment: +$239,545.

The Neighborhood

This home is valued 25.4% above the R302609C - HIGHLAND HORIZON median of $781,434. With 399 homes in the subdivision, the property sits in the upper tier. The neighborhood appreciated 2.3% over the past year.

R302609C - HIGHLAND HORIZON

above average
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$980,108
Median
$781,434

This home is +25.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $19,642 across all districts. With a homestead exemption claimed, that drops to $18,211 — saving $1,431 per year. That's $1,518 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%$8,753
Brushy Creek MUDMUD0.3868%$3,791
Williamson CountyCounty0.3694%$3,621
Austin Community Collegespecial0.1034%$1,013
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$980
Brushy Creek MUD Defined AreaMUD0.0900%$882
Williamson County FM/RdCounty0.0443%$434
Upper Brushy Creek WCIDWater0.0170%$167
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$19,642

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $934,017 would pay approximately $5,830 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