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5918 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,227 sqftBuilt 2015

Property at a Glance

This home is estimated between $431,109 and $575,693, with a best estimate of $463,450. 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

$431,109 $575,693
Best Estimate
$463,450
WCAD Value
$396,362
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 $431,109 and $575,693. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $431,109

Adjusted +$56,235 for 266 sqft more living space and -$4,457 for being older. Net adjustment: +$51,778.

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 $436,606

Adjusted +$11,416 for 54 sqft more living space and -$4,457 for being older. Net adjustment: +$6,959.

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 $478,265

Adjusted +$144,393 for 683 sqft more living space and -$4,457 for being older. Net adjustment: +$139,936.

8050 MOZART ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,610 sqft Built 2016
Raw Value $335,239
Adjusted Value $463,450

Adjusted +$130,440 for 617 sqft more living space and -$2,229 for being older. Net adjustment: +$128,211.

8379 PAOLA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,313 sqft Built 2015
Raw Value $593,874
Adjusted Value $575,693

Adjusted -$18,181 for 86 sqft less living space. Net adjustment: -$18,181.

The Neighborhood

This home is valued 2.5% 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
$396,362
Median
$406,354

This home is -2.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,124 across all districts. With a homestead exemption claimed, that drops to $7,363 — saving $1,761 per year. That's $614 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%$4,777
Siena MUD #1MUD0.5250%$2,081
Williamson CountyCounty0.3694%$1,464
Williamson County ESD #3 - HuttoESD0.1000%$396
Williamson County FM/RdCounty0.0443%$176
EWC Higher Ed Centerspecial0.0409%$162
Upper Brushy Creek WCIDWater0.0170%$67
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$9,124

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $463,450 would pay approximately $2,893 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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