3611 HILLROCK DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $219,412 and $285,968, with a best estimate of $239,734. That places the property below the R210480H - Brushy Creek median of $296,542, in a neighborhood that declined 14.6% over the past year.
Estimated Value Range
$239,734
$332,631
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 $219,412 and $285,968. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$52,410 for 235 sqft less living space and +$1,607 for being newer. Net adjustment: -$50,803.
Adjusted -$59,992 for 269 sqft less living space and -$1,607 for being older. Net adjustment: -$61,599.
Adjusted -$22,079 for 99 sqft less living space and +$6,427 for being newer. Net adjustment: -$15,652.
Adjusted -$39,697 for 178 sqft less living space and +$1,607 for being newer. Net adjustment: -$38,090.
Adjusted -$49,064 for 220 sqft less living space and -$1,607 for being older. Net adjustment: -$50,671.
The Neighborhood
This home is valued 12.2% 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 +12.2% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,367 across all districts. With a homestead exemption claimed, that drops to $5,055 — saving $1,312 per year. That's $421 per month a buyer should budget. The assessed value increased -7.1% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 38 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,971 |
| Brushy Creek MUD | MUD | 0.3868% | $1,287 |
| Williamson County | County | 0.3694% | $1,229 |
| Austin Community College | special | 0.1034% | $344 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $333 |
| Williamson County FM/Rd | County | 0.0443% | $147 |
| Upper Brushy Creek WCID | Water | 0.0170% | $57 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $6,367 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $239,734 would pay approximately $1,496 per month (principal and interest only, excluding taxes and insurance).