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3426 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,022 sqftBuilt 2009

Property at a Glance

This home is estimated between $375,619 and $527,674, with a best estimate of $392,387. 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

$375,619 $527,674
Best Estimate
$392,387
WCAD Value
$380,667
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 $375,619 and $527,674 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 1,961 sqft Built 2017
Raw Value $379,331
Adjusted Value $395,760

Adjusted +$12,209 for 61 sqft more living space and +$4,220 for being newer. Net adjustment: +$16,429.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $376,585
Adjusted Value $375,619

Adjusted -$3,603 for 18 sqft less living space and +$2,637 for being newer. Net adjustment: -$966.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $382,538
Adjusted Value $381,572

Adjusted -$3,603 for 18 sqft less living space and +$2,637 for being newer. Net adjustment: -$966.

3 bed 2 bath 2,206 sqft Built 2014
Raw Value $561,864
Adjusted Value $527,674

Adjusted -$36,827 for 184 sqft less living space and +$2,637 for being newer. Net adjustment: -$34,190.

3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $392,387

Adjusted +$12,209 for 61 sqft more living space and +$3,692 for being newer. Net adjustment: +$15,901.

The Neighborhood

This home is valued 1.9% 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
$380,667
Median
$387,915

This home is -1.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,418 across all districts. With a homestead exemption claimed, that drops to $6,097 — saving $1,321 per year. That's $508 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%$3,400
Paloma Lakes MUD #2MUD0.4215%$1,605
Williamson CountyCounty0.3694%$1,406
Austin Community Collegespecial0.1034%$394
Williamson County ESD #9 - Round RockESD0.0999%$380
Williamson County FM/RdCounty0.0443%$169
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,418

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $392,387 would pay approximately $2,449 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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