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5817 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed1,828 sqftBuilt 2015

Property at a Glance

This home is estimated between $346,140 and $500,081, with a best estimate of $422,961. 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

$346,140 $500,081
Best Estimate
$422,961
WCAD Value
$348,379
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 $346,140 and $500,081. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

5809 PESCIA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $428,651

Adjusted +$18,815 for 89 sqft more living space and +$2,229 for being newer. Net adjustment: +$21,044.

5812 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 1,626 sqft Built 2015
Raw Value $457,376
Adjusted Value $500,081

Adjusted +$42,705 for 202 sqft more living space. Net adjustment: +$42,705.

5813 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $422,961

Adjusted +$13,530 for 64 sqft more living space. Net adjustment: +$13,530.

8029 MOZART ST, ROUND ROCK, TX 78665
0.00 mi 95% similar Same subdivision
3 bed 2 bath 1,758 sqft Built 2016
Raw Value $399,263
Adjusted Value $411,833

Adjusted +$14,799 for 70 sqft more living space and -$2,229 for being older. Net adjustment: +$12,570.

8037 MOZART ST, ROUND ROCK, TX 78665
0.00 mi 94% similar Same subdivision
3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $346,140

Adjusted -$28,117 for 133 sqft less living space and -$2,229 for being older. Net adjustment: -$30,346.

The Neighborhood

This home is valued 14.3% 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
$348,379
Median
$406,354

This home is -14.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,019 across all districts. With a homestead exemption claimed, that drops to $6,268 — saving $1,751 per year. That's $522 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%$4,199
Siena MUD #1MUD0.5250%$1,829
Williamson CountyCounty0.3694%$1,287
Williamson County ESD #3 - HuttoESD0.1000%$348
Williamson County FM/RdCounty0.0443%$154
EWC Higher Ed Centerspecial0.0409%$142
Upper Brushy Creek WCIDWater0.0170%$59
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,019

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $422,961 would pay approximately $2,640 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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