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5647 SABBIA DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,719 sqftBuilt 2018

Property at a Glance

This home is estimated between $269,759 and $352,910, with a best estimate of $326,531. 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

$269,759 $352,910
Best Estimate
$326,531
WCAD Value
$356,441
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 $269,759 and $352,910. 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 $326,531

Adjusted -$26,638 for 126 sqft less living space and +$6,686 for being newer. Net adjustment: -$19,952.

8206 AREZZO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,208 sqft Built 2014
Raw Value $431,179
Adjusted Value $336,714

Adjusted -$103,379 for 489 sqft less living space and +$8,914 for being newer. Net adjustment: -$94,465.

5857 MANTALCINO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,448 sqft Built 2017
Raw Value $421,647
Adjusted Value $269,759

Adjusted -$154,117 for 729 sqft less living space and +$2,229 for being newer. Net adjustment: -$151,888.

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 $352,910

Adjusted +$2,748 for 13 sqft more living space and +$2,229 for being newer. Net adjustment: +$4,977.

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 $326,003

Adjusted -$28,752 for 136 sqft less living space and +$6,686 for being newer. Net adjustment: -$22,066.

The Neighborhood

This home is valued 12.3% 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
$356,441
Median
$406,354

This home is -12.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,204 across all districts. With a homestead exemption claimed, that drops to $6,451 — saving $1,753 per year. That's $538 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%$4,296
Siena MUD #1MUD0.5250%$1,871
Williamson CountyCounty0.3694%$1,317
Williamson County ESD #9 - Round RockESD0.0999%$356
Williamson County FM/RdCounty0.0443%$158
EWC Higher Ed Centerspecial0.0409%$146
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,204

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $326,531 would pay approximately $2,038 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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