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6000 AGOSTINO DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,025 sqftBuilt 2019

Property at a Glance

This home is estimated between $336,678 and $419,830, with a best estimate of $393,451. 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

$336,678 $419,830
Best Estimate
$393,451
WCAD Value
$383,903
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 $336,678 and $419,830. 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 $393,451

Adjusted +$38,054 for 180 sqft more living space and +$8,914 for being newer. Net adjustment: +$46,968.

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 $403,634

Adjusted -$38,688 for 183 sqft less living space and +$11,143 for being newer. Net adjustment: -$27,545.

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 $336,678

Adjusted -$89,426 for 423 sqft less living space and +$4,457 for being newer. Net adjustment: -$84,969.

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 $419,830

Adjusted +$67,440 for 319 sqft more living space and +$4,457 for being newer. Net adjustment: +$71,897.

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 $392,923

Adjusted +$35,940 for 170 sqft more living space and +$8,914 for being newer. Net adjustment: +$44,854.

The Neighborhood

This home is valued 5.5% 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
$383,903
Median
$406,354

This home is -5.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,837 across all districts. With a homestead exemption claimed, that drops to $7,079 — saving $1,758 per year. That's $590 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%$4,627
Siena MUD #1MUD0.5250%$2,015
Williamson CountyCounty0.3694%$1,418
Williamson County ESD #3 - HuttoESD0.1000%$384
Williamson County FM/RdCounty0.0443%$170
EWC Higher Ed Centerspecial0.0409%$157
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,837

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $393,451 would pay approximately $2,456 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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