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3538 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,782 sqftBuilt 2013

Property at a Glance

This home is estimated between $340,227 and $416,740, with a best estimate of $405,649. That places the property above the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$340,227 $416,740
Best Estimate
$405,649
WCAD Value
$359,875
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R493607C - PALOMA LAKE SEC 18. The estimated range of $340,227 and $416,740 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $340,227

Adjusted -$9,207 for 46 sqft less living space and +$1,055 for being newer. Net adjustment: -$8,152.

4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $416,740

Adjusted +$8,606 for 43 sqft more living space and +$527 for being newer. Net adjustment: +$9,133.

4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $414,089

Adjusted +$3,603 for 18 sqft more living space and +$1,055 for being newer. Net adjustment: +$4,658.

3 bed 2 bath 1,758 sqft Built 2016
Raw Value $399,263
Adjusted Value $405,649

Adjusted +$4,804 for 24 sqft more living space and +$1,582 for being newer. Net adjustment: +$6,386.

3 bed 2 bath 1,668 sqft Built 2015
Raw Value $349,872
Adjusted Value $373,744

Adjusted +$22,817 for 114 sqft more living space and +$1,055 for being newer. Net adjustment: +$23,872.

The Neighborhood

This home is valued 7.2% below the R493607C - PALOMA LAKE SEC 18 median of $387,915. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 9.2% over the past year.

R493607C - PALOMA LAKE SEC 18

typical
295 Properties
$387,915 Median Value
-9.2% YoY Change
0% Have Pool
100% Have Garage
This Home
$359,875
Median
$387,915

This home is -7.2% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,013 across all districts. With a homestead exemption claimed, that drops to $5,696 — saving $1,317 per year. That's $475 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%$3,214
Paloma Lakes MUD #2MUD0.4215%$1,517
Williamson CountyCounty0.3694%$1,330
Austin Community Collegespecial0.1034%$372
Williamson County ESD #9 - Round RockESD0.0999%$360
Williamson County FM/RdCounty0.0443%$160
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,013

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $405,649 would pay approximately $2,532 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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