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8233 AREZZO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,684 sqftBuilt 2015

Property at a Glance

This home is estimated between $255,673 and $338,825, with a best estimate of $312,446. 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

$255,673 $338,825
Best Estimate
$312,446
WCAD Value
$355,058
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 $255,673 and $338,825. 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 $312,446

Adjusted -$34,037 for 161 sqft less living space. Net adjustment: -$34,037.

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 $322,629

Adjusted -$110,779 for 524 sqft less living space and +$2,229 for being newer. Net adjustment: -$108,550.

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 $255,673

Adjusted -$161,517 for 764 sqft less living space and -$4,457 for being older. Net adjustment: -$165,974.

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 $338,825

Adjusted -$4,651 for 22 sqft less living space and -$4,457 for being older. Net adjustment: -$9,108.

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 $311,918

Adjusted -$36,151 for 171 sqft less living space. Net adjustment: -$36,151.

The Neighborhood

This home is valued 12.6% 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
$355,058
Median
$406,354

This home is -12.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,173 across all districts. With a homestead exemption claimed, that drops to $6,420 — saving $1,753 per year. That's $535 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%$4,279
Siena MUD #1MUD0.5250%$1,864
Williamson CountyCounty0.3694%$1,312
Williamson County ESD #3 - HuttoESD0.1000%$355
Williamson County FM/RdCounty0.0443%$157
EWC Higher Ed Centerspecial0.0409%$145
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,173

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $312,446 would pay approximately $1,950 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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