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3550 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,908 sqftBuilt 2014

Property at a Glance

This home is estimated between $364,918 and $441,432, with a best estimate of $370,305. That places the property below the R493607C - PALOMA LAKE SEC 18 median of $387,915, in a neighborhood that declined 9.2% over the past year.

Estimated Value Range

$364,918 $441,432
Best Estimate
$370,305
WCAD Value
$368,925
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 $364,918 and $441,432 should be treated as a rough guide.

Comparable Properties (5)

3 bed 1,828 sqft Built 2015
Raw Value $348,379
Adjusted Value $364,918

Adjusted +$16,012 for 80 sqft more living space and +$527 for being newer. Net adjustment: +$16,539.

4 bed 2 bath 1,739 sqft Built 2014
Raw Value $407,607
Adjusted Value $441,432

Adjusted +$33,825 for 169 sqft more living space. Net adjustment: +$33,825.

4 bed 3 bath 1,764 sqft Built 2015
Raw Value $409,431
Adjusted Value $438,779

Adjusted +$28,821 for 144 sqft more living space and +$527 for being newer. Net adjustment: +$29,348.

3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $366,933

Adjusted -$10,608 for 53 sqft less living space and +$1,055 for being newer. Net adjustment: -$9,553.

3 bed 2 bath 1,961 sqft Built 2017
Raw Value $379,331
Adjusted Value $370,305

Adjusted -$10,608 for 53 sqft less living space and +$1,582 for being newer. Net adjustment: -$9,026.

The Neighborhood

This home is valued 4.9% 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
$368,925
Median
$387,915

This home is -4.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,189 across all districts. With a homestead exemption claimed, that drops to $5,871 — saving $1,318 per year. That's $489 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%$3,295
Paloma Lakes MUD #2MUD0.4215%$1,555
Williamson CountyCounty0.3694%$1,363
Austin Community Collegespecial0.1034%$381
Williamson County ESD #9 - Round RockESD0.0999%$369
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,189

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $370,305 would pay approximately $2,311 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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