5857 SARDINIA DR, ROUND ROCK, TX 78665
ROUND ROCK, 78665 — williamson County
Property at a Glance
This home is estimated between $323,853 and $355,116, with a best estimate of $350,760. That places the property below the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.
Estimated Value Range
$350,760
$340,655
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 $323,853 and $355,116. More comparables in the same subdivision would strengthen this estimate.
Comparable Properties (5)
Adjusted -$1,480 for 7 sqft less living space. Net adjustment: -$1,480.
Adjusted -$10,570 for 50 sqft less living space and -$2,229 for being older. Net adjustment: -$12,799.
Adjusted +$9,513 for 45 sqft more living space and -$6,686 for being older. Net adjustment: +$2,827.
Adjusted -$19,872 for 94 sqft less living space and -$2,229 for being older. Net adjustment: -$22,101.
Adjusted -$21,987 for 104 sqft less living space and -$2,229 for being older. Net adjustment: -$24,216.
The Neighborhood
This home is valued 16.2% below the H121413C - SIENA median of $406,354. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.4% over the past year.
H121413C - SIENA
below averageThis home is -16.2% below the subdivision median.
Tax Analysis
The estimated annual property tax is $7,841 across all districts. With a homestead exemption claimed, that drops to $6,091 — saving $1,750 per year. That's $508 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 |
|---|---|---|---|
| Hutto ISD | School | 1.2052% | $4,106 |
| Siena MUD #1 | MUD | 0.5250% | $1,788 |
| Williamson County | County | 0.3694% | $1,259 |
| Williamson County ESD #3 - Hutto | ESD | 0.1000% | $341 |
| Williamson County FM/Rd | County | 0.0443% | $151 |
| EWC Higher Ed Center | special | 0.0409% | $139 |
| Upper Brushy Creek WCID | Water | 0.0170% | $58 |
| Williamson Central Appraisal District | cad | 0.0000% | $0 |
| Total Annual Tax | 2.3018% | $7,841 | |
Mortgage Context
At today's 30-year mortgage rate of 6.38%, a buyer financing $350,760 would pay approximately $2,189 per month (principal and interest only, excluding taxes and insurance).