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3418 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed1 bath2,046 sqftBuilt 2011

Property at a Glance

This home is estimated between $370,228 and $531,423, with a best estimate of $385,321. 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

$370,228 $531,423
Best Estimate
$385,321
WCAD Value
$380,111
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 $370,228 and $531,423 should be treated as a rough guide.

Comparable Properties (5)

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $376,585
Adjusted Value $379,368

Adjusted +$1,201 for 6 sqft more living space and +$1,582 for being newer. Net adjustment: +$2,783.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $382,538
Adjusted Value $385,321

Adjusted +$1,201 for 6 sqft more living space and +$1,582 for being newer. Net adjustment: +$2,783.

3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $396,135

Adjusted +$17,012 for 85 sqft more living space and +$2,637 for being newer. Net adjustment: +$19,649.

3 bed 2 bath 2,194 sqft Built 2014
Raw Value $398,268
Adjusted Value $370,228

Adjusted -$29,622 for 148 sqft less living space and +$1,582 for being newer. Net adjustment: -$28,040.

3 bed 2 bath 2,206 sqft Built 2014
Raw Value $561,864
Adjusted Value $531,423

Adjusted -$32,023 for 160 sqft less living space and +$1,582 for being newer. Net adjustment: -$30,441.

The Neighborhood

This home is valued 2.0% 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
$380,111
Median
$387,915

This home is -2.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,407 across all districts. With a homestead exemption claimed, that drops to $6,087 — saving $1,320 per year. That's $507 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%$3,395
Paloma Lakes MUD #2MUD0.4215%$1,602
Williamson CountyCounty0.3694%$1,404
Austin Community Collegespecial0.1034%$393
Williamson County ESD #9 - Round RockESD0.0999%$380
Williamson County FM/RdCounty0.0443%$168
Upper Brushy Creek WCIDWater0.0170%$65
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$7,407

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $385,321 would pay approximately $2,405 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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