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3505 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,728 sqftBuilt 2012

Property at a Glance

This home is estimated between $329,946 and $406,460, with a best estimate of $395,369. 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

$329,946 $406,460
Best Estimate
$395,369
WCAD Value
$350,586
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 $329,946 and $406,460 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $329,946

Adjusted -$20,015 for 100 sqft less living space and +$1,582 for being newer. Net adjustment: -$18,433.

4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $406,460

Adjusted -$2,202 for 11 sqft less living space and +$1,055 for being newer. Net adjustment: -$1,147.

4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $403,808

Adjusted -$7,205 for 36 sqft less living space and +$1,582 for being newer. Net adjustment: -$5,623.

3 bed 2 bath 1,758 sqft Built 2016
Raw Value $399,263
Adjusted Value $395,369

Adjusted -$6,004 for 30 sqft less living space and +$2,110 for being newer. Net adjustment: -$3,894.

3 bed 2 bath 1,668 sqft Built 2015
Raw Value $349,872
Adjusted Value $363,463

Adjusted +$12,009 for 60 sqft more living space and +$1,582 for being newer. Net adjustment: +$13,591.

The Neighborhood

This home is valued 9.6% 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
$350,586
Median
$387,915

This home is -9.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $6,832 across all districts. With a homestead exemption claimed, that drops to $5,517 — saving $1,315 per year. That's $460 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%$3,131
Paloma Lakes MUD #2MUD0.4215%$1,478
Williamson CountyCounty0.3694%$1,295
Austin Community Collegespecial0.1034%$363
Williamson County ESD #9 - Round RockESD0.0999%$350
Williamson County FM/RdCounty0.0443%$155
Upper Brushy Creek WCIDWater0.0170%$60
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$6,832

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $395,369 would pay approximately $2,468 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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