3900 HILLSIDE DR, ROUND ROCK, TX 78681
ROUND ROCK, 78681 — williamson County
Property at a Glance
This home is estimated between $303,280 and $358,937, with a best estimate of $350,817. 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
$350,817
$320,715
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 $303,280 and $358,937. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted +$26,985 for 121 sqft more living space and -$4,820 for being older. Net adjustment: +$22,165.
Adjusted +$19,403 for 87 sqft more living space and -$8,033 for being older. Net adjustment: +$11,370.
Adjusted +$57,316 for 257 sqft more living space. Net adjustment: +$57,316.
Adjusted +$39,697 for 178 sqft more living space and -$4,820 for being older. Net adjustment: +$34,877.
Adjusted -$33,899 for 152 sqft less living space and +$6,427 for being newer. Net adjustment: -$27,472.
The Neighborhood
This home is valued 8.2% 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 +8.2% above the subdivision median.
Tax Analysis
The estimated annual property tax is $6,139 across all districts. With a homestead exemption claimed, that drops to $4,829 — saving $1,310 per year. That's $402 per month a buyer should budget. The assessed value increased -8.4% vs the subdivision average of -14.6%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.
Tax Districts
| District | Type | Rate | Annual Amount |
|---|---|---|---|
| Round Rock ISD | School | 0.8931% | $2,864 |
| Brushy Creek MUD | MUD | 0.3868% | $1,241 |
| Williamson County | County | 0.3694% | $1,185 |
| Austin Community College | special | 0.1034% | $332 |
| Williamson County ESD #2 - Sam Bass VFD | ESD | 0.1000% | $321 |
| Williamson County FM/Rd | County | 0.0443% | $142 |
| Upper Brushy Creek WCID | Water | 0.0170% | $55 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 1.9141% | $6,139 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $350,817 would pay approximately $2,190 per month (principal and interest only, excluding taxes and insurance).