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3430 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,889 sqftBuilt 2009

Property at a Glance

This home is estimated between $349,000 and $429,174, with a best estimate of $365,767. 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

$349,000 $429,174
Best Estimate
$365,767
WCAD Value
$361,591
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 $349,000 and $429,174 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 $369,140

Adjusted -$14,411 for 72 sqft less living space and +$4,220 for being newer. Net adjustment: -$10,191.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $376,585
Adjusted Value $349,000

Adjusted -$30,222 for 151 sqft less living space and +$2,637 for being newer. Net adjustment: -$27,585.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $382,538
Adjusted Value $354,953

Adjusted -$30,222 for 151 sqft less living space and +$2,637 for being newer. Net adjustment: -$27,585.

3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $365,767

Adjusted -$14,411 for 72 sqft less living space and +$3,692 for being newer. Net adjustment: -$10,719.

3 bed 2 bath 1,758 sqft Built 2016
Raw Value $399,263
Adjusted Value $429,174

Adjusted +$26,219 for 131 sqft more living space and +$3,692 for being newer. Net adjustment: +$29,911.

The Neighborhood

This home is valued 6.8% 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
$361,591
Median
$387,915

This home is -6.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,046 across all districts. With a homestead exemption claimed, that drops to $5,729 — saving $1,317 per year. That's $477 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%$3,229
Paloma Lakes MUD #2MUD0.4215%$1,524
Williamson CountyCounty0.3694%$1,336
Austin Community Collegespecial0.1034%$374
Williamson County ESD #9 - Round RockESD0.0999%$361
Williamson County FM/RdCounty0.0443%$160
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,046

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $365,767 would pay approximately $2,283 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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