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8073 MOZART ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,727 sqftBuilt 2016

Property at a Glance

This home is estimated between $327,632 and $506,145, with a best estimate of $374,788. 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

$327,632 $506,145
Best Estimate
$374,788
WCAD Value
$473,609
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 $327,632 and $506,145. 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 $456,444

Adjusted -$4,440 for 21 sqft less living space and +$4,457 for being newer. Net adjustment: +$17.

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 $506,145

Adjusted +$80,336 for 380 sqft more living space and +$2,229 for being newer. Net adjustment: +$82,565.

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 $327,632

Adjusted -$49,470 for 234 sqft less living space and -$2,229 for being older. Net adjustment: -$51,699.

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 $333,129

Adjusted -$94,289 for 446 sqft less living space and -$2,229 for being older. Net adjustment: -$96,518.

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 $374,788

Adjusted +$38,688 for 183 sqft more living space and -$2,229 for being older. Net adjustment: +$36,459.

The Neighborhood

This home is valued 16.6% above the H121413C - SIENA median of $406,354. With 1,611 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.4% over the past year.

H121413C - SIENA

above average
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$473,609
Median
$406,354

This home is +16.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,902 across all districts. With a homestead exemption claimed, that drops to $9,127 — saving $1,775 per year. That's $761 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%$5,708
Siena MUD #1MUD0.5250%$2,486
Williamson CountyCounty0.3694%$1,750
Williamson County ESD #3 - HuttoESD0.1000%$474
Williamson County FM/RdCounty0.0443%$210
EWC Higher Ed Centerspecial0.0409%$194
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$10,902

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $374,788 would pay approximately $2,339 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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