Beta Williamson County, TX only — data and coverage are limited during early access.

3321 GUADALAJARA ST, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath2,020 sqftBuilt 2011

Property at a Glance

This home is estimated between $380,334 and $431,708, with a best estimate of $397,995. That places the property below the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814, in a neighborhood that declined 4.4% over the past year.

Estimated Value Range

$380,334 $431,708
Best Estimate
$397,995
WCAD Value
$462,755
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R492607C - Paloma Lake - Sec 17A & 17B. The estimated range of $380,334 and $431,708 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 $392,042

Adjusted -$4,336 for 20 sqft less living space and +$19,793 for being newer. Net adjustment: +$15,457.

3 bed 2 bath 2,040 sqft Built 2014
Raw Value $382,538
Adjusted Value $397,995

Adjusted -$4,336 for 20 sqft less living space and +$19,793 for being newer. Net adjustment: +$15,457.

3 bed 2 bath 1,961 sqft Built 2016
Raw Value $376,486
Adjusted Value $422,266

Adjusted +$12,792 for 59 sqft more living space and +$32,988 for being newer. Net adjustment: +$45,780.

3 bed 2 bath 1,961 sqft Built 2017
Raw Value $379,331
Adjusted Value $431,708

Adjusted +$12,792 for 59 sqft more living space and +$39,585 for being newer. Net adjustment: +$52,377.

3 bed 2 bath 2,194 sqft Built 2014
Raw Value $398,268
Adjusted Value $380,334

Adjusted -$37,727 for 174 sqft less living space and +$19,793 for being newer. Net adjustment: -$17,934.

The Neighborhood

This home is in line with the R492607C - Paloma Lake - Sec 17A & 17B median of $462,814. Note that values in this subdivision declined 4.4% over the past year.

R492607C - Paloma Lake - Sec 17A & 17B

typical
292 Properties
$462,814 Median Value
-4.4% YoY Change
0% Have Pool
100% Have Garage
This Home
$462,755
Median
$462,814

This home is -0.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,018 across all districts. With a homestead exemption claimed, that drops to $7,682 — saving $1,336 per year. That's $640 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%$4,133
Paloma Lakes MUD #2MUD0.4215%$1,951
Williamson CountyCounty0.3694%$1,710
Austin Community Collegespecial0.1034%$478
Williamson County ESD #9 - Round RockESD0.0999%$462
Williamson County FM/RdCounty0.0443%$205
Upper Brushy Creek WCIDWater0.0170%$79
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$9,018

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $397,995 would pay approximately $2,484 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.

View full property details