Beta Williamson County, TX only — data and coverage are limited during early access.

5672 SABBIA DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,382 sqftBuilt 2016

Property at a Glance

This home is estimated between $250,301 and $316,987, with a best estimate of $277,207. 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

$250,301 $316,987
Best Estimate
$277,207
WCAD Value
$392,075
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in H121413C - SIENA, this home's estimated market value is between $250,301 and $316,987. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

6108 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,845 sqft Built 2015
Raw Value $346,483
Adjusted Value $250,829

Adjusted -$97,883 for 463 sqft less living space and +$2,229 for being newer. Net adjustment: -$95,654.

7945 BASSANO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,706 sqft Built 2017
Raw Value $347,933
Adjusted Value $277,207

Adjusted -$68,497 for 324 sqft less living space and -$2,229 for being older. Net adjustment: -$70,726.

6117 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,855 sqft Built 2015
Raw Value $348,069
Adjusted Value $250,301

Adjusted -$99,997 for 473 sqft less living space and +$2,229 for being newer. Net adjustment: -$97,768.

6101 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,887 sqft Built 2016
Raw Value $423,749
Adjusted Value $316,987

Adjusted -$106,762 for 505 sqft less living space. Net adjustment: -$106,762.

8021 BASSANO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,801 sqft Built 2015
Raw Value $367,178
Adjusted Value $280,826

Adjusted -$88,581 for 419 sqft less living space and +$2,229 for being newer. Net adjustment: -$86,352.

The Neighborhood

This home is valued 3.5% 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

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$392,075
Median
$406,354

This home is -3.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,025 across all districts. With a homestead exemption claimed, that drops to $7,265 — saving $1,760 per year. That's $605 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%$4,725
Siena MUD #1MUD0.5250%$2,058
Williamson CountyCounty0.3694%$1,449
Williamson County ESD #9 - Round RockESD0.0999%$392
Williamson County FM/RdCounty0.0443%$174
EWC Higher Ed Centerspecial0.0409%$160
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$9,025

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $277,207 would pay approximately $1,730 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.

View full property details