Beta Williamson County, TX only — data and coverage are limited during early access.

5929 PARMA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,762 sqftBuilt 2015

Property at a Glance

This home is estimated between $332,804 and $619,483, with a best estimate of $461,616. 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

$332,804 $619,483
Best Estimate
$461,616
WCAD Value
$362,213
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 $332,804 and $619,483. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

6041 ROMA ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,748 sqft Built 2014
Raw Value $456,427
Adjusted Value $461,616

Adjusted +$2,960 for 14 sqft more living space and +$2,229 for being newer. Net adjustment: +$5,189.

8128 ROSANO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,034 sqft Built 2015
Raw Value $465,577
Adjusted Value $619,483

Adjusted +$153,906 for 728 sqft more living space. Net adjustment: +$153,906.

8104 ROSANO ST, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,347 sqft Built 2015
Raw Value $423,580
Adjusted Value $511,315

Adjusted +$87,735 for 415 sqft more living space. Net adjustment: +$87,735.

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 $332,804

Adjusted -$42,070 for 199 sqft less living space and -$4,457 for being older. Net adjustment: -$46,527.

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 $338,301

Adjusted -$86,889 for 411 sqft less living space and -$4,457 for being older. Net adjustment: -$91,346.

The Neighborhood

This home is valued 10.9% 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
$362,213
Median
$406,354

This home is -10.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $8,338 across all districts. With a homestead exemption claimed, that drops to $6,583 — saving $1,755 per year. That's $549 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%$4,365
Siena MUD #1MUD0.5250%$1,902
Williamson CountyCounty0.3694%$1,338
Williamson County ESD #3 - HuttoESD0.1000%$362
Williamson County FM/RdCounty0.0443%$161
EWC Higher Ed Centerspecial0.0409%$148
Upper Brushy Creek WCIDWater0.0170%$62
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax2.3018%$8,338

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $461,616 would pay approximately $2,881 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.

View full property details