3707 HILLROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $290,778 and $357,334, with a best estimate of $321,612. That places the property above the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.
Estimated Value Range
$321,612
$307,234
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 $290,778 and $357,334. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$43,712 for 196 sqft less living space and -$1,607 for being older. Net adjustment: -$45,319.
Adjusted +$18,957 for 85 sqft more living space and +$1,607 for being newer. Net adjustment: +$20,564.
Adjusted +$11,374 for 51 sqft more living space and -$1,607 for being older. Net adjustment: +$9,767.
Adjusted +$49,287 for 221 sqft more living space and +$6,427 for being newer. Net adjustment: +$55,714.
Adjusted +$22,302 for 100 sqft more living space and -$1,607 for being older. Net adjustment: +$20,695.
The Neighborhood
This home is valued 3.6% above the R210480H - Brushy Creek median of $296,542. With 871 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 14.6% over the past year.
R210480H - Brushy Creek
typicalThis home is +3.6% above the subdivision median.
Tax Analysis
The estimated annual property tax is $5,881 across all districts. With a homestead exemption claimed, that drops to $4,574 — saving $1,307 per year. That's $381 per month a buyer should budget. The assessed value increased roughly in line with the neighborhood, so a tax protest is unlikely to yield significant savings.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,744 |
| Brushy Creek MUD | MUD | 0.3868% | $1,188 |
| Williamson County | County | 0.3694% | $1,135 |
| Austin Community College | special | 0.1034% | $318 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $307 |
| Williamson County FM/Rd | County | 0.0443% | $136 |
| Upper Brushy Creek WCID | Water | 0.0170% | $52 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $5,881 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $321,612 would pay approximately $2,007 per month (principal and interest only, excluding taxes and insurance).