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

148 ARCHIPELAGO TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

4 bed2,990 sqftBuilt 2013

Property at a Glance

This home is estimated between $824,901 and $1,187,665, with a best estimate of $938,961. 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

$824,901 $1,187,665
Best Estimate
$938,961
WCAD Value
$928,199
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 $824,901 and $1,187,665. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

144 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,906 sqft Built 2011
Raw Value $774,044
Adjusted Value $824,901

Adjusted +$25,983 for 84 sqft more living space and +$24,874 for being newer. Net adjustment: +$50,857.

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 $1,185,654

Adjusted +$146,001 for 472 sqft more living space. Net adjustment: +$146,001.

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 $861,369

Adjusted +$65,267 for 211 sqft more living space and +$12,437 for being newer. Net adjustment: +$77,704.

140 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,319 sqft Built 2013
Raw Value $980,108
Adjusted Value $1,187,665

Adjusted +$207,557 for 671 sqft more living space. Net adjustment: +$207,557.

141 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,034 sqft Built 2012
Raw Value $940,134
Adjusted Value $938,961

Adjusted -$13,610 for 44 sqft less living space and +$12,437 for being newer. Net adjustment: -$1,173.

The Neighborhood

This home is valued 18.8% 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
$928,199
Median
$781,434

This home is +18.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,602 across all districts. With a homestead exemption claimed, that drops to $17,180 — saving $1,422 per year. That's $1,432 per month a buyer should budget. The assessed value increased +8.4% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 51 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,290
Brushy Creek MUDMUD0.3868%$3,591
Williamson CountyCounty0.3694%$3,429
Austin Community Collegespecial0.1034%$960
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$928
Brushy Creek MUD Defined AreaMUD0.0900%$835
Williamson County FM/RdCounty0.0443%$411
Upper Brushy Creek WCIDWater0.0170%$158
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$18,602
51 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $938,961 would pay approximately $5,861 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