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5641 SACCO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,385 sqftBuilt 2017

Property at a Glance

This home is estimated between $257,559 and $544,239, with a best estimate of $304,715. 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

$257,559 $544,239
Best Estimate
$304,715
WCAD Value
$315,896
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 $257,559 and $544,239. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

8128 ROSANO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,034 sqft Built 2015
Raw Value $465,577
Adjusted Value $544,239

Adjusted +$74,205 for 351 sqft more living space and +$4,457 for being newer. Net adjustment: +$78,662.

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 $436,071

Adjusted +$8,034 for 38 sqft more living space and +$4,457 for being newer. Net adjustment: +$12,491.

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 $257,559

Adjusted -$121,772 for 576 sqft less living space. Net adjustment: -$121,772.

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 $263,056

Adjusted -$166,591 for 788 sqft less living space. Net adjustment: -$166,591.

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 $304,715

Adjusted -$33,614 for 159 sqft less living space. Net adjustment: -$33,614.

The Neighborhood

This home is valued 22.3% 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

below average
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$315,896
Median
$406,354

This home is -22.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,271 across all districts. With a homestead exemption claimed, that drops to $5,526 — saving $1,745 per year. That's $461 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%$3,807
Siena MUD #1MUD0.5250%$1,658
Williamson CountyCounty0.3694%$1,167
Williamson County ESD #9 - Round RockESD0.0999%$316
Williamson County FM/RdCounty0.0443%$140
EWC Higher Ed Centerspecial0.0409%$129
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$7,271

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $304,715 would pay approximately $1,902 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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