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120 LONGITUDE TRL, AUSTIN, TX 78717

AUSTIN, 78717 — williamson County

3 bed2 bath3,366 sqftBuilt 2011

Property at a Glance

This home is estimated between $917,342 and $971,727, with a best estimate of $942,513. 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

$917,342 $971,727
Best Estimate
$942,513
WCAD Value
$850,120
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 $917,342 and $971,727. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

216 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,195 sqft Built 2012
Raw Value $567,560
Adjusted Value $917,342

Adjusted +$362,219 for 1,171 sqft more living space and -$12,437 for being older. Net adjustment: +$349,782.

217 LONGITUDE TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,825 sqft Built 2011
Raw Value $804,383
Adjusted Value $971,727

Adjusted +$167,344 for 541 sqft more living space. Net adjustment: +$167,344.

157 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,763 sqft Built 2013
Raw Value $780,864
Adjusted Value $942,513

Adjusted +$186,523 for 603 sqft more living space and -$24,874 for being older. Net adjustment: +$161,649.

160 ARCHIPELAGO TRL, AUSTIN, TX 78717
0.00 mi 100% similar Same subdivision
4 bed 4 bath 3,020 sqft Built 2012
Raw Value $869,977
Adjusted Value $964,566

Adjusted +$107,026 for 346 sqft more living space and -$12,437 for being older. Net adjustment: +$94,589.

3 bed 2 bath 2,707 sqft Built 2003
Raw Value $625,366
Adjusted Value $928,707

Adjusted +$203,845 for 659 sqft more living space and +$99,496 for being newer. Net adjustment: +$303,341.

The Neighborhood

This home is valued 8.8% 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

typical
399 Properties
$781,434 Median Value
+2.3% YoY Change
0% Have Pool
100% Have Garage
This Home
$850,120
Median
$781,434

This home is +8.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $17,037 across all districts. With a homestead exemption claimed, that drops to $15,630 — saving $1,407 per year. That's $1,303 per month a buyer should budget. The assessed value increased +5.3% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 30 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$7,592
Brushy Creek MUDMUD0.3868%$3,289
Williamson CountyCounty0.3694%$3,141
Austin Community Collegespecial0.1034%$879
Williamson County ESD #2 - Sam Bass VFDESD0.1000%$850
Brushy Creek MUD Defined AreaMUD0.0900%$765
Williamson County FM/RdCounty0.0443%$377
Upper Brushy Creek WCIDWater0.0170%$145
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.0041%$17,037
30 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $942,513 would pay approximately $5,883 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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