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8049 MOZART ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,192 sqftBuilt 2016

Property at a Glance

This home is estimated between $391,192 and $570,522, with a best estimate of $431,435. That places the property above the H121413C - SIENA median of $406,354, in a neighborhood that declined 5.4% over the past year.

Estimated Value Range

$391,192 $570,522
Best Estimate
$431,435
WCAD Value
$394,545
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 $391,192 and $570,522. 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 $554,750

Adjusted +$93,866 for 444 sqft more living space and +$4,457 for being newer. Net adjustment: +$98,323.

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 $425,938

Adjusted +$48,836 for 231 sqft more living space and -$2,229 for being older. Net adjustment: +$46,607.

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 $431,435

Adjusted +$4,017 for 19 sqft more living space and -$2,229 for being older. Net adjustment: +$1,788.

5918 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,227 sqft Built 2015
Raw Value $396,362
Adjusted Value $391,192

Adjusted -$7,399 for 35 sqft less living space and +$2,229 for being newer. Net adjustment: -$5,170.

8379 PAOLA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,313 sqft Built 2015
Raw Value $593,874
Adjusted Value $570,522

Adjusted -$25,581 for 121 sqft less living space and +$2,229 for being newer. Net adjustment: -$23,352.

The Neighborhood

This home is valued 2.9% 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
$394,545
Median
$406,354

This home is -2.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,082 across all districts. With a homestead exemption claimed, that drops to $7,322 — saving $1,760 per year. That's $610 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%$4,755
Siena MUD #1MUD0.5250%$2,071
Williamson CountyCounty0.3694%$1,458
Williamson County ESD #3 - HuttoESD0.1000%$395
Williamson County FM/RdCounty0.0443%$175
EWC Higher Ed Centerspecial0.0409%$161
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$9,082

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $431,435 would pay approximately $2,693 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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