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5852 SARDINIA DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,794 sqftBuilt 2015

Property at a Glance

This home is estimated between $335,173 and $366,436, with a best estimate of $362,080. 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

$335,173 $366,436
Best Estimate
$362,080
WCAD Value
$466,929
Medium Confidence

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 $335,173 and $366,436. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3 bed 2 bath 1,758 sqft Built 2014
Raw Value $356,596
Adjusted Value $366,436

Adjusted +$7,611 for 36 sqft more living space and +$2,229 for being newer. Net adjustment: +$9,840.

8021 BASSANO DR, ROUND ROCK, TX 78665
0.00 mi 96% similar Same subdivision
3 bed 2 bath 1,801 sqft Built 2015
Raw Value $367,178
Adjusted Value $365,698

Adjusted -$1,480 for 7 sqft less living space. Net adjustment: -$1,480.

6108 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,845 sqft Built 2015
Raw Value $346,483
Adjusted Value $335,701

Adjusted -$10,782 for 51 sqft less living space. Net adjustment: -$10,782.

6117 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,855 sqft Built 2015
Raw Value $348,069
Adjusted Value $335,173

Adjusted -$12,896 for 61 sqft less living space. Net adjustment: -$12,896.

7945 BASSANO DR, ROUND ROCK, TX 78665
0.00 mi 94% similar Same subdivision
3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $362,080

Adjusted +$18,604 for 88 sqft more living space and -$4,457 for being older. Net adjustment: +$14,147.

The Neighborhood

This home is valued 14.9% above the H121413C - SIENA median of $406,354. With 1,611 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.4% over the past year.

H121413C - SIENA

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$466,929
Median
$406,354

This home is +14.9% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,748 across all districts. With a homestead exemption claimed, that drops to $8,974 — saving $1,774 per year. That's $748 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

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$5,627
Siena MUD #1MUD0.5250%$2,451
Williamson CountyCounty0.3694%$1,725
Williamson County ESD #3 - HuttoESD0.1000%$467
Williamson County FM/RdCounty0.0443%$207
EWC Higher Ed Centerspecial0.0409%$191
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$10,748

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $362,080 would pay approximately $2,260 per month (principal and interest only, excluding taxes and insurance).

Data sourced from Williamson County Appraisal District (WCAD), Texas Education Agency (TEA), and Federal Reserve Economic Data (FRED). Assessment values reflect the appraisal district's estimate, not market sale prices. Report generated 4/18/2026.

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