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

3428 DE SOTO LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath2,425 sqftBuilt 2018

Property at a Glance

This home is estimated between $389,746 and $482,942, with a best estimate of $434,028. That places the property below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$389,746 $482,942
Best Estimate
$434,028
WCAD Value
$499,711
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R491607C - PALOMA LAKE DREES /TAYLOR, this home's estimated market value is between $389,746 and $482,942. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2733 SAN MILAN PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,650 sqft Built 2015
Raw Value $543,541
Adjusted Value $482,942

Adjusted -$52,489 for 225 sqft less living space and -$8,110 for being older. Net adjustment: -$60,599.

2820 SAINT FEDERICO WAY, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,825 sqft Built 2013
Raw Value $540,858
Adjusted Value $434,028

Adjusted -$93,313 for 400 sqft less living space and -$13,517 for being older. Net adjustment: -$106,830.

2612 LOS ALAMOS PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,613 sqft Built 2012
Raw Value $526,660
Adjusted Value $466,582

Adjusted -$43,857 for 188 sqft less living space and -$16,221 for being older. Net adjustment: -$60,078.

2745 SAN MILAN PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,936 sqft Built 2014
Raw Value $548,447
Adjusted Value $418,426

Adjusted -$119,207 for 511 sqft less living space and -$10,814 for being older. Net adjustment: -$130,021.

2628 LOS ALAMOS PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,249 sqft Built 2012
Raw Value $598,192
Adjusted Value $389,746

Adjusted -$192,225 for 824 sqft less living space and -$16,221 for being older. Net adjustment: -$208,446.

The Neighborhood

This home is valued 13.7% below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 5.0% over the past year.

R491607C - PALOMA LAKE DREES /TAYLOR

typical
431 Properties
$579,346 Median Value
-5.0% YoY Change
0% Have Pool
100% Have Garage
This Home
$499,711
Median
$579,346

This home is -13.7% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,738 across all districts. With a homestead exemption claimed, that drops to $8,395 — saving $1,343 per year. That's $700 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
Round Rock ISDSchool0.8931%$4,463
Paloma Lakes MUD #2MUD0.4215%$2,106
Williamson CountyCounty0.3694%$1,846
Austin Community Collegespecial0.1034%$517
Williamson County ESD #9 - Round RockESD0.0999%$499
Williamson County FM/RdCounty0.0443%$222
Upper Brushy Creek WCIDWater0.0170%$85
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,738

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $434,028 would pay approximately $2,709 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