Beta Williamson County, TX only — data and coverage are limited during early access.

5621 SAN MICHELE ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,675 sqftBuilt 2017

Property at a Glance

This home is estimated between $284,252 and $514,916, with a best estimate of $459,626. 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

$284,252 $514,916
Best Estimate
$459,626
WCAD Value
$464,965
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 $284,252 and $514,916. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5617 SAN MICHELE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,059 sqft Built 2017
Raw Value $435,247
Adjusted Value $354,066

Adjusted -$81,181 for 384 sqft less living space. Net adjustment: -$81,181.

5601 SAN MICHELE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,493 sqft Built 2014
Raw Value $434,941
Adjusted Value $480,104

Adjusted +$38,477 for 182 sqft more living space and +$6,686 for being newer. Net adjustment: +$45,163.

5612 SAN MICHELE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1 bath 1,600 sqft Built 2017
Raw Value $499,060
Adjusted Value $514,916

Adjusted +$15,856 for 75 sqft more living space. Net adjustment: +$15,856.

5632 SAN MICHELE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,600 sqft Built 2017
Raw Value $443,770
Adjusted Value $459,626

Adjusted +$15,856 for 75 sqft more living space. Net adjustment: +$15,856.

5613 SAN MICHELE ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,307 sqft Built 2017
Raw Value $417,863
Adjusted Value $284,252

Adjusted -$133,611 for 632 sqft less living space. Net adjustment: -$133,611.

The Neighborhood

This home is valued 14.4% 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

typical
1,611 Properties
$406,354 Median Value
-5.4% YoY Change
1% Have Pool
100% Have Garage
This Home
$464,965
Median
$406,354

This home is +14.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,702 across all districts. With a homestead exemption claimed, that drops to $8,929 — saving $1,773 per year. That's $744 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%$5,604
Siena MUD #1MUD0.5250%$2,441
Williamson CountyCounty0.3694%$1,718
Williamson County ESD #9 - Round RockESD0.0999%$465
Williamson County FM/RdCounty0.0443%$206
EWC Higher Ed Centerspecial0.0409%$190
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$10,702

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $459,626 would pay approximately $2,869 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.

View full property details