17815 PARK VALLEY DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $20,051,452 and $20,140,068, with a best estimate of $20,116,097.
Estimated Value Range
$20,116,097
$7,764,074
Based on 5 comparable properties(0 in the same subdivision)
There are 5 comparable properties within range, but none are in R30CS - Rr West School. The estimated range of $20,051,452 and $20,140,068 should be treated as a rough guide.
Comparable Properties (5)
Adjusted +$19,571,103 for 81,055 sqft more living space and +$708 for being newer and -$60,193 for no garage. Net adjustment: +$19,511,618.
Adjusted +$19,640,401 for 81,342 sqft more living space and +$708 for being newer and -$60,193 for no garage. Net adjustment: +$19,580,916.
Adjusted +$19,685,070 for 81,527 sqft more living space and +$708 for being newer. Net adjustment: +$19,685,778.
Adjusted +$19,744,226 for 81,772 sqft more living space and +$708 for being newer and -$60,193 for no garage. Net adjustment: +$19,684,741.
Adjusted +$19,536,575 for 80,912 sqft more living space and +$809 for being newer and -$60,193 for no garage. Net adjustment: +$19,477,191.
The Neighborhood
Subdivision comparison data is not available for this property.
Tax Analysis
The estimated annual property tax is $132,554 across all districts. With a homestead exemption claimed, that drops to $129,870 — saving $2,684 per year. That's $10,823 per month a buyer should budget. The assessed value increased 0.0%. This increase gives a protest opportunity score of 50 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $69,341 |
| Williamson County | County | 0.3694% | $28,684 |
| Fern Bluff MUD | MUD | 0.1800% | $13,975 |
| Austin Community College | special | 0.1034% | $8,028 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $7,764 |
| Williamson County FM/Rd | County | 0.0443% | $3,442 |
| Upper Brushy Creek WCID | Water | 0.0170% | $1,320 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.7073% | $132,554 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $20,116,097 would pay approximately $125,564 per month (principal and interest only, excluding taxes and insurance).