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

3530 PONCE DE LEON PASS, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,279 sqftBuilt 2017

Property at a Glance

This home is estimated between $434,996 and $661,292, with a best estimate of $551,568. That places the property below the R494617D - PALOMA LAKE SEC 26 median of $605,828, in a neighborhood that declined 4.5% over the past year.

Estimated Value Range

$434,996 $661,292
Best Estimate
$551,568
WCAD Value
$580,801
Low Confidence

Based on 5 comparable properties(1 in the same subdivision)

There are 5 comparable properties within range, but few are in R494617D - PALOMA LAKE SEC 26. The estimated range of $434,996 and $661,292 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,365 sqft Built 2014
Raw Value $493,216
Adjusted Value $472,916

Adjusted -$21,958 for 86 sqft less living space and +$1,658 for being newer. Net adjustment: -$20,300.

4 bed 3 bath 2,092 sqft Built 2016
Raw Value $503,270
Adjusted Value $551,568

Adjusted +$47,745 for 187 sqft more living space and +$553 for being newer. Net adjustment: +$48,298.

4 bed 3 bath 2,552 sqft Built 2016
Raw Value $504,146
Adjusted Value $434,996

Adjusted -$69,703 for 273 sqft less living space and +$553 for being newer. Net adjustment: -$69,150.

4 bed 3 bath 2,107 sqft Built 2015
Raw Value $616,272
Adjusted Value $661,292

Adjusted +$43,915 for 172 sqft more living space and +$1,105 for being newer. Net adjustment: +$45,020.

3561 PONCE DE LEON PASS, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,097 sqft Built 2020
Raw Value $582,767
Adjusted Value $627,578

Adjusted +$46,469 for 182 sqft more living space and -$1,658 for being older. Net adjustment: +$44,811.

The Neighborhood

This home is valued 4.1% below the R494617D - PALOMA LAKE SEC 26 median of $605,828. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.5% over the past year.

R494617D - PALOMA LAKE SEC 26

typical
172 Properties
$605,828 Median Value
-4.5% YoY Change
1% Have Pool
100% Have Garage
This Home
$580,801
Median
$605,828

This home is -4.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,318 across all districts. With a homestead exemption claimed, that drops to $9,960 — saving $1,358 per year. That's $830 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%$5,187
Paloma Lakes MUD #2MUD0.4215%$2,448
Williamson CountyCounty0.3694%$2,146
Austin Community Collegespecial0.1034%$601
Williamson County ESD #9 - Round RockESD0.0999%$580
Williamson County FM/RdCounty0.0443%$257
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$11,318

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $551,568 would pay approximately $3,443 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