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5905 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath1,702 sqftBuilt 2018

Property at a Glance

This home is estimated between $246,017 and $425,156, with a best estimate of $352,743. 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

$246,017 $425,156
Best Estimate
$352,743
WCAD Value
$457,024
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 $246,017 and $425,156. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5832 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,706 sqft Built 2018
Raw Value $363,851
Adjusted Value $363,005

Adjusted -$846 for 4 sqft less living space. Net adjustment: -$846.

7904 MOZART ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,734 sqft Built 2018
Raw Value $431,921
Adjusted Value $425,156

Adjusted -$6,765 for 32 sqft less living space. Net adjustment: -$6,765.

5621 SAMBUCO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,681 sqft Built 2018
Raw Value $452,987
Adjusted Value $246,017

Adjusted -$206,970 for 979 sqft less living space. Net adjustment: -$206,970.

5609 SACCO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 3 bath 2,016 sqft Built 2018
Raw Value $419,126
Adjusted Value $352,743

Adjusted -$66,383 for 314 sqft less living space. Net adjustment: -$66,383.

5625 SACCO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,835 sqft Built 2018
Raw Value $369,093
Adjusted Value $340,976

Adjusted -$28,117 for 133 sqft less living space. Net adjustment: -$28,117.

The Neighborhood

This home is valued 12.5% 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
$457,024
Median
$406,354

This home is +12.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,520 across all districts. With a homestead exemption claimed, that drops to $8,748 — saving $1,772 per year. That's $729 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%$5,508
Siena MUD #1MUD0.5250%$2,399
Williamson CountyCounty0.3694%$1,688
Williamson County ESD #3 - HuttoESD0.1000%$457
Williamson County FM/RdCounty0.0443%$203
EWC Higher Ed Centerspecial0.0409%$187
Upper Brushy Creek WCIDWater0.0170%$78
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$10,520

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $352,743 would pay approximately $2,202 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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