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5809 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,309 sqftBuilt 2015

Property at a Glance

This home is estimated between $413,698 and $585,868, with a best estimate of $450,067. 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

$413,698 $585,868
Best Estimate
$450,067
WCAD Value
$369,673
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 $413,698 and $585,868. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5817 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $450,067

Adjusted +$101,688 for 481 sqft more living space. Net adjustment: +$101,688.

5918 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
3 bed 2 bath 2,227 sqft Built 2015
Raw Value $396,362
Adjusted Value $413,698

Adjusted +$17,336 for 82 sqft more living space. Net adjustment: +$17,336.

5809 PESCIA ST, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $530,339

Adjusted +$120,503 for 570 sqft more living space and +$2,229 for being newer. Net adjustment: +$122,732.

8517 REGGIO ST, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,206 sqft Built 2014
Raw Value $561,864
Adjusted Value $585,868

Adjusted +$21,775 for 103 sqft more living space and +$2,229 for being newer. Net adjustment: +$24,004.

5910 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 98% similar Same subdivision
3 bed 2 bath 2,194 sqft Built 2014
Raw Value $398,268
Adjusted Value $424,809

Adjusted +$24,312 for 115 sqft more living space and +$2,229 for being newer. Net adjustment: +$26,541.

The Neighborhood

This home is valued 9.0% 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
$369,673
Median
$406,354

This home is -9.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,509 across all districts. With a homestead exemption claimed, that drops to $6,754 — saving $1,755 per year. That's $563 per month a buyer should budget. The assessed value increased +2.7% vs the subdivision average of -5.4%. This above-average increase gives a protest opportunity score of 41 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Hutto ISDSchool1.2052%$4,455
Siena MUD #1MUD0.5250%$1,941
Williamson CountyCounty0.3694%$1,366
Williamson County ESD #3 - HuttoESD0.1000%$370
Williamson County FM/RdCounty0.0443%$164
EWC Higher Ed Centerspecial0.0409%$151
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,509
41 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $450,067 would pay approximately $2,809 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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