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

3303 COLUMBUS WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,080 sqftBuilt 2019

Property at a Glance

This home is estimated between $323,728 and $566,765, with a best estimate of $437,193. That places the property below the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$323,728 $566,765
Best Estimate
$437,193
WCAD Value
$624,194
High Confidence

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

Based on 5 comparable properties in R491607C - PALOMA LAKE DREES /TAYLOR, this home's estimated market value is between $323,728 and $566,765. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3307 COLUMBUS WAY, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,316 sqft Built 2019
Raw Value $621,820
Adjusted Value $566,765

Adjusted -$55,055 for 236 sqft less living space. Net adjustment: -$55,055.

3300 COLUMBUS WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 3,253 sqft Built 2018
Raw Value $600,071
Adjusted Value $323,728

Adjusted -$273,640 for 1,173 sqft less living space and -$2,703 for being older. Net adjustment: -$276,343.

3304 COLUMBUS WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 2,358 sqft Built 2019
Raw Value $493,054
Adjusted Value $428,201

Adjusted -$64,853 for 278 sqft less living space. Net adjustment: -$64,853.

3311 COLUMBUS WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
5 bed 2 bath 2,404 sqft Built 2019
Raw Value $574,095
Adjusted Value $498,511

Adjusted -$75,584 for 324 sqft less living space. Net adjustment: -$75,584.

3308 COLUMBUS WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,277 sqft Built 2019
Raw Value $483,150
Adjusted Value $437,193

Adjusted -$45,957 for 197 sqft less living space. Net adjustment: -$45,957.

The Neighborhood

This home is valued 7.7% above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. With 431 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.0% over the past year.

R491607C - PALOMA LAKE DREES /TAYLOR

typical
431 Properties
$579,346 Median Value
-5.0% YoY Change
0% Have Pool
100% Have Garage
This Home
$624,194
Median
$579,346

This home is +7.7% above the subdivision median.

Tax Analysis

The estimated annual property tax is $12,164 across all districts. With a homestead exemption claimed, that drops to $10,798 — saving $1,366 per year. That's $900 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%$5,575
Paloma Lakes MUD #2MUD0.4215%$2,631
Williamson CountyCounty0.3694%$2,306
Austin Community Collegespecial0.1034%$645
Williamson County ESD #9 - Round RockESD0.0999%$624
Williamson County FM/RdCounty0.0443%$277
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$12,164

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $437,193 would pay approximately $2,729 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