128 ARCHIPELAGO TRL, AUSTIN, TX 78717
AUSTIN, 78717 — williamson County
Property at a Glance
This home is estimated between $764,612 and $875,346, with a best estimate of $846,131. 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
$846,131
$962,908
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 $764,612 and $875,346. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$46,089 for 149 sqft more living space and +$24,874 for being newer. Net adjustment: +$70,963.
Adjusted -$14,229 for 46 sqft less living space and +$12,437 for being newer. Net adjustment: -$1,792.
Adjusted +$65,267 for 211 sqft more living space. Net adjustment: +$65,267.
Adjusted +$240,964 for 779 sqft more living space and +$12,437 for being newer. Net adjustment: +$253,401.
Adjusted -$97,437 for 315 sqft less living space and +$174,117 for being newer. Net adjustment: +$76,680.
The Neighborhood
This home is valued 23.2% 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 averageThis home is +23.2% above the subdivision median.
Tax Analysis
The estimated annual property tax is $19,298 across all districts. With a homestead exemption claimed, that drops to $17,870 — saving $1,428 per year. That's $1,489 per month a buyer should budget. The assessed value increased +9.8% vs the subdivision average of +2.3%. This above-average increase gives a protest opportunity score of 58 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $8,600 |
| Brushy Creek MUD | MUD | 0.3868% | $3,725 |
| Williamson County | County | 0.3694% | $3,557 |
| Austin Community College | special | 0.1034% | $996 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $963 |
| Brushy Creek MUD Defined Area | MUD | 0.0900% | $867 |
| Williamson County FM/Rd | County | 0.0443% | $427 |
| Upper Brushy Creek WCID | Water | 0.0170% | $164 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.0041% | $19,298 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $846,131 would pay approximately $5,282 per month (principal and interest only, excluding taxes and insurance).