3702 HILLROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $336,079 and $382,312, with a best estimate of $374,193. 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
$374,193
$284,805
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 $336,079 and $382,312. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$18,734 for 84 sqft less living space and -$1,607 for being older. Net adjustment: -$20,341.
Adjusted +$43,935 for 197 sqft more living space and +$1,607 for being newer. Net adjustment: +$45,542.
Adjusted +$36,352 for 163 sqft more living space and -$1,607 for being older. Net adjustment: +$34,745.
Adjusted +$74,265 for 333 sqft more living space and +$6,427 for being newer. Net adjustment: +$80,692.
Adjusted -$16,949 for 76 sqft less living space and +$12,853 for being newer. Net adjustment: -$4,096.
The Neighborhood
This home is valued 4.0% below the R210480H - Brushy Creek median of $296,542. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 14.6% over the past year.
R210480H - Brushy Creek
typicalThis home is -4.0% below the subdivision median.
Tax Analysis
The estimated annual property tax is $5,451 across all districts. With a homestead exemption claimed, that drops to $4,149 — saving $1,302 per year. That's $346 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% | $2,544 |
| Brushy Creek MUD | MUD | 0.3868% | $1,102 |
| Williamson County | County | 0.3694% | $1,052 |
| Austin Community College | special | 0.1034% | $294 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $285 |
| Williamson County FM/Rd | County | 0.0443% | $126 |
| Upper Brushy Creek WCID | Water | 0.0170% | $48 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $5,451 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $374,193 would pay approximately $2,336 per month (principal and interest only, excluding taxes and insurance).