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5805 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,083 sqftBuilt 2015

Property at a Glance

This home is estimated between $387,905 and $482,561, with a best estimate of $402,288. 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

$387,905 $482,561
Best Estimate
$402,288
WCAD Value
$355,335
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 $387,905 and $482,561. 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 $482,561

Adjusted +$72,725 for 344 sqft more living space and +$2,229 for being newer. Net adjustment: +$74,954.

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 $402,288

Adjusted +$53,909 for 255 sqft more living space. Net adjustment: +$53,909.

6013 ROMA ST, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
3 bed 2 bath 2,040 sqft Built 2014
Raw Value $376,585
Adjusted Value $387,905

Adjusted +$9,091 for 43 sqft more living space and +$2,229 for being newer. Net adjustment: +$11,320.

8521 REGGIO ST, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
3 bed 2 bath 2,040 sqft Built 2014
Raw Value $382,538
Adjusted Value $393,858

Adjusted +$9,091 for 43 sqft more living space and +$2,229 for being newer. Net adjustment: +$11,320.

5813 PARMA ST, ROUND ROCK, TX 78665
0.00 mi 99% similar Same subdivision
4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $476,871

Adjusted +$67,440 for 319 sqft more living space. Net adjustment: +$67,440.

The Neighborhood

This home is valued 12.6% 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
$355,335
Median
$406,354

This home is -12.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,179 across all districts. With a homestead exemption claimed, that drops to $6,426 — saving $1,753 per year. That's $536 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%$4,282
Siena MUD #1MUD0.5250%$1,866
Williamson CountyCounty0.3694%$1,313
Williamson County ESD #3 - HuttoESD0.1000%$355
Williamson County FM/RdCounty0.0443%$158
EWC Higher Ed Centerspecial0.0409%$145
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,179

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $402,288 would pay approximately $2,511 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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