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

3320 COLUMBUS WAY, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,003 sqftBuilt 2019

Property at a Glance

This home is estimated between $551,454 and $827,991, with a best estimate of $647,502. That places the property above the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346, in a neighborhood that declined 5.0% over the past year.

Estimated Value Range

$551,454 $827,991
Best Estimate
$647,502
WCAD Value
$581,327
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 $551,454 and $827,991. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3316 COLUMBUS WAY, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 3 bath 3,209 sqft Built 2020
Raw Value $596,807
Adjusted Value $551,454

Adjusted -$48,056 for 206 sqft less living space and +$2,703 for being newer. Net adjustment: -$45,353.

3323 COLUMBUS WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,066 sqft Built 2019
Raw Value $593,276
Adjusted Value $811,862

Adjusted +$218,586 for 937 sqft more living space. Net adjustment: +$218,586.

3319 COLUMBUS WAY, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,311 sqft Built 2019
Raw Value $486,070
Adjusted Value $647,502

Adjusted +$161,432 for 692 sqft more living space. Net adjustment: +$161,432.

3312 COLUMBUS WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
3 bed 2 bath 2,554 sqft Built 2019
Raw Value $522,087
Adjusted Value $626,831

Adjusted +$104,744 for 449 sqft more living space. Net adjustment: +$104,744.

3327 COLUMBUS WAY, ROUND ROCK, TX 78665
0.05 mi 100% similar Same subdivision
4 bed 3 bath 2,080 sqft Built 2019
Raw Value $612,671
Adjusted Value $827,991

Adjusted +$215,320 for 923 sqft more living space. Net adjustment: +$215,320.

The Neighborhood

This home is in line with the R491607C - PALOMA LAKE DREES /TAYLOR median of $579,346. 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
$581,327
Median
$579,346

This home is +0.3% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,328 across all districts. With a homestead exemption claimed, that drops to $9,971 — saving $1,357 per year. That's $831 per month a buyer should budget. The assessed value increased +1.2% vs the subdivision average of -5.0%. This above-average increase gives a protest opportunity score of 31 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,192
Paloma Lakes MUD #2MUD0.4215%$2,450
Williamson CountyCounty0.3694%$2,148
Austin Community Collegespecial0.1034%$601
Williamson County ESD #9 - Round RockESD0.0999%$581
Williamson County FM/RdCounty0.0443%$258
Upper Brushy Creek WCIDWater0.0170%$99
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9487%$11,328
31 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $647,502 would pay approximately $4,042 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