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5633 SAMBUCO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,202 sqftBuilt 2017

Property at a Glance

This home is estimated between $395,534 and $477,436, with a best estimate of $435,778. 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

$395,534 $477,436
Best Estimate
$435,778
WCAD Value
$401,704
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 $395,534 and $477,436. 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 $430,281

Adjusted +$50,950 for 241 sqft more living space. Net adjustment: +$50,950.

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 $435,778

Adjusted +$6,131 for 29 sqft more living space. Net adjustment: +$6,131.

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 $477,436

Adjusted +$139,107 for 658 sqft more living space. Net adjustment: +$139,107.

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 $395,534

Adjusted -$5,285 for 25 sqft less living space and +$4,457 for being newer. Net adjustment: -$828.

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 $462,622

Adjusted +$125,154 for 592 sqft more living space and +$2,229 for being newer. Net adjustment: +$127,383.

The Neighborhood

This home is valued 1.1% 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
$401,704
Median
$406,354

This home is -1.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,246 across all districts. With a homestead exemption claimed, that drops to $7,485 — saving $1,761 per year. That's $624 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%$4,841
Siena MUD #1MUD0.5250%$2,109
Williamson CountyCounty0.3694%$1,484
Williamson County ESD #9 - Round RockESD0.0999%$401
Williamson County FM/RdCounty0.0443%$178
EWC Higher Ed Centerspecial0.0409%$164
Upper Brushy Creek WCIDWater0.0170%$68
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$9,246

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $435,778 would pay approximately $2,720 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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