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5629 SACCO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,709 sqftBuilt 2017

Property at a Glance

This home is estimated between $326,056 and $612,735, with a best estimate of $454,868. 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

$326,056 $612,735
Best Estimate
$454,868
WCAD Value
$356,561
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 $326,056 and $612,735. 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 $454,868

Adjusted -$8,245 for 39 sqft less living space and +$6,686 for being newer. Net adjustment: -$1,559.

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 $612,735

Adjusted +$142,701 for 675 sqft more living space and +$4,457 for being newer. Net adjustment: +$147,158.

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 $504,567

Adjusted +$76,530 for 362 sqft more living space and +$4,457 for being newer. Net adjustment: +$80,987.

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 $326,056

Adjusted -$53,275 for 252 sqft less living space. Net adjustment: -$53,275.

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 $331,553

Adjusted -$98,094 for 464 sqft less living space. Net adjustment: -$98,094.

The Neighborhood

This home is valued 12.3% 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

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$356,561
Median
$406,354

This home is -12.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,207 across all districts. With a homestead exemption claimed, that drops to $6,454 — saving $1,753 per year. That's $538 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%$4,297
Siena MUD #1MUD0.5250%$1,872
Williamson CountyCounty0.3694%$1,317
Williamson County ESD #9 - Round RockESD0.0999%$356
Williamson County FM/RdCounty0.0443%$158
EWC Higher Ed Centerspecial0.0409%$146
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,207

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $454,868 would pay approximately $2,839 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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