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8109 ROSANO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,863 sqftBuilt 2015

Property at a Glance

This home is estimated between $354,156 and $532,667, with a best estimate of $401,312. 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

$354,156 $532,667
Best Estimate
$401,312
WCAD Value
$365,800
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 $354,156 and $532,667. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

6041 ROMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,748 sqft Built 2014
Raw Value $456,427
Adjusted Value $482,968

Adjusted +$24,312 for 115 sqft more living space and +$2,229 for being newer. Net adjustment: +$26,541.

8104 ROSANO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,347 sqft Built 2015
Raw Value $423,580
Adjusted Value $532,667

Adjusted +$109,087 for 516 sqft more living space. Net adjustment: +$109,087.

7836 LEONARDO DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,961 sqft Built 2017
Raw Value $379,331
Adjusted Value $354,156

Adjusted -$20,718 for 98 sqft less living space and -$4,457 for being older. Net adjustment: -$25,175.

5608 SAMBUCO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,173 sqft Built 2017
Raw Value $429,647
Adjusted Value $359,653

Adjusted -$65,537 for 310 sqft less living space and -$4,457 for being older. Net adjustment: -$69,994.

5637 SACCO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,544 sqft Built 2017
Raw Value $338,329
Adjusted Value $401,312

Adjusted +$67,440 for 319 sqft more living space and -$4,457 for being older. Net adjustment: +$62,983.

The Neighborhood

This home is valued 10.0% 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
$365,800
Median
$406,354

This home is -10.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,420 across all districts. With a homestead exemption claimed, that drops to $6,665 — saving $1,755 per year. That's $555 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%$4,409
Siena MUD #1MUD0.5250%$1,920
Williamson CountyCounty0.3694%$1,351
Williamson County ESD #9 - Round RockESD0.0999%$365
Williamson County FM/RdCounty0.0443%$162
EWC Higher Ed Centerspecial0.0409%$150
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,420

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $401,312 would pay approximately $2,505 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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