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8221 REGGIO ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,910 sqftBuilt 2014

Property at a Glance

This home is estimated between $361,863 and $540,374, with a best estimate of $409,019. 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

$361,863 $540,374
Best Estimate
$409,019
WCAD Value
$377,308
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 $361,863 and $540,374. 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 $490,675

Adjusted +$34,248 for 162 sqft more living space. Net adjustment: +$34,248.

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 $540,374

Adjusted +$119,023 for 563 sqft more living space and -$2,229 for being older. Net adjustment: +$116,794.

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 $361,863

Adjusted -$10,782 for 51 sqft less living space and -$6,686 for being older. Net adjustment: -$17,468.

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 $367,360

Adjusted -$55,601 for 263 sqft less living space and -$6,686 for being older. Net adjustment: -$62,287.

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 $409,019

Adjusted +$77,376 for 366 sqft more living space and -$6,686 for being older. Net adjustment: +$70,690.

The Neighborhood

This home is valued 7.1% 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
$377,308
Median
$406,354

This home is -7.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,685 across all districts. With a homestead exemption claimed, that drops to $6,928 — saving $1,757 per year. That's $577 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%$4,547
Siena MUD #1MUD0.5250%$1,981
Williamson CountyCounty0.3694%$1,394
Williamson County ESD #9 - Round RockESD0.0999%$377
Williamson County FM/RdCounty0.0443%$167
EWC Higher Ed Centerspecial0.0409%$154
Upper Brushy Creek WCIDWater0.0170%$64
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,685

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $409,019 would pay approximately $2,553 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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