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5617 SAMBUCO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,197 sqftBuilt 2017

Property at a Glance

This home is estimated between $394,477 and $476,379, with a best estimate of $434,721. 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

$394,477 $476,379
Best Estimate
$434,721
WCAD Value
$397,320
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 $394,477 and $476,379. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $429,224

Adjusted +$49,893 for 236 sqft more living space. Net adjustment: +$49,893.

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 $434,721

Adjusted +$5,074 for 24 sqft more living space. Net adjustment: +$5,074.

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 $476,379

Adjusted +$138,050 for 653 sqft more living space. Net adjustment: +$138,050.

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 $394,477

Adjusted -$6,342 for 30 sqft less living space and +$4,457 for being newer. Net adjustment: -$1,885.

8050 MOZART ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,610 sqft Built 2016
Raw Value $335,239
Adjusted Value $461,565

Adjusted +$124,097 for 587 sqft more living space and +$2,229 for being newer. Net adjustment: +$126,326.

The Neighborhood

This home is valued 2.2% 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
$397,320
Median
$406,354

This home is -2.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,145 across all districts. With a homestead exemption claimed, that drops to $7,385 — saving $1,760 per year. That's $615 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%$4,789
Siena MUD #1MUD0.5250%$2,086
Williamson CountyCounty0.3694%$1,468
Williamson County ESD #9 - Round RockESD0.0999%$397
Williamson County FM/RdCounty0.0443%$176
EWC Higher Ed Centerspecial0.0409%$162
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$9,145

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $434,721 would pay approximately $2,714 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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