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3638 PONCE DE LEON PASS, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,949 sqftBuilt 2019

Property at a Glance

This home is estimated between $554,530 and $799,748, with a best estimate of $607,167. That places the property above the R494617D - PALOMA LAKE SEC 26 median of $605,828, in a neighborhood that declined 4.5% over the past year.

Estimated Value Range

$554,530 $799,748
Best Estimate
$607,167
WCAD Value
$543,601
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 $554,530 and $799,748 should be treated as a rough guide.

Comparable Properties (5)

4 bed 3 bath 2,825 sqft Built 2013
Raw Value $540,858
Adjusted Value $575,834

Adjusted +$31,660 for 124 sqft more living space and +$3,316 for being newer. Net adjustment: +$34,976.

4 bed 3 bath 2,936 sqft Built 2014
Raw Value $548,447
Adjusted Value $554,530

Adjusted +$3,319 for 13 sqft more living space and +$2,764 for being newer. Net adjustment: +$6,083.

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 $799,748

Adjusted +$217,534 for 852 sqft more living space and -$553 for being older. Net adjustment: +$216,981.

4 bed 3 bath 2,650 sqft Built 2015
Raw Value $543,541
Adjusted Value $622,093

Adjusted +$76,341 for 299 sqft more living space and +$2,211 for being newer. Net adjustment: +$78,552.

4 bed 3 bath 2,552 sqft Built 2016
Raw Value $504,146
Adjusted Value $607,167

Adjusted +$101,363 for 397 sqft more living space and +$1,658 for being newer. Net adjustment: +$103,021.

The Neighborhood

This home is valued 10.3% 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
$543,601
Median
$605,828

This home is -10.3% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,593 across all districts. With a homestead exemption claimed, that drops to $9,242 — saving $1,351 per year. That's $770 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%$4,855
Paloma Lakes MUD #2MUD0.4215%$2,291
Williamson CountyCounty0.3694%$2,008
Austin Community Collegespecial0.1034%$562
Williamson County ESD #9 - Round RockESD0.0999%$543
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$92
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$10,593

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $607,167 would pay approximately $3,790 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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