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

105 ARCHIPELAGO TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

5 bed4 bath2,319 sqftBuilt 2012

Property at a Glance

This home is estimated between $685,193 and $1,137,014, with a best estimate of $696,129. 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

$685,193 $1,137,014
Best Estimate
$696,129
WCAD Value
$1,043,597
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $685,193 and $1,137,014. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

105 NAVIGATOR DR, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,212 sqft Built 2009
Raw Value $625,720
Adjusted Value $696,129

Adjusted +$33,098 for 107 sqft more living space and +$37,311 for being newer. Net adjustment: +$70,409.

105 BEARING CV, AUSTIN, TX 78717
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,159 sqft Built 2009
Raw Value $598,390
Adjusted Value $685,193

Adjusted +$49,492 for 160 sqft more living space and +$37,311 for being newer. Net adjustment: +$86,803.

105 AZIMUTH DR, AUSTIN, TX 78717
0.00 mi 98% similar Same subdivision
4 bed 2 bath 2,861 sqft Built 2011
Raw Value $842,418
Adjusted Value $687,201

Adjusted -$167,654 for 542 sqft less living space and +$12,437 for being newer. Net adjustment: -$155,217.

4 bed 3 bath 2,400 sqft Built 2019
Raw Value $1,249,128
Adjusted Value $1,137,014

Adjusted -$25,055 for 81 sqft less living space and -$87,059 for being older. Net adjustment: -$112,114.

5 bed 5 bath 3,000 sqft Built 2018
Raw Value $1,354,465
Adjusted Value $1,069,193

Adjusted -$210,650 for 681 sqft less living space and -$74,622 for being older. Net adjustment: -$285,272.

The Neighborhood

This home is valued 33.5% 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
$1,043,597
Median
$781,434

This home is +33.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $20,915 across all districts. With a homestead exemption claimed, that drops to $19,472 — saving $1,443 per year. That's $1,623 per month a buyer should budget. The assessed value increased +5.1% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$9,320
Brushy Creek MUDMUD0.3868%$4,037
Williamson CountyCounty0.3694%$3,856
Austin Community Collegespecial0.1034%$1,079
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$1,044
Brushy Creek MUD Defined AreaMUD0.0900%$939
Williamson County FM/RdCounty0.0443%$463
Upper Brushy Creek WCIDWater0.0170%$177
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$20,915
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $696,129 would pay approximately $4,345 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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