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

3745 CERULEAN WAY, ROUND ROCK, TX 78681

ROUND ROCK, 78681 — williamson County

3 bed2 bath2,758 sqftBuilt 2004

Property at a Glance

This home is estimated between $576,819 and $851,621, with a best estimate of $653,653. That places the property above the L498506D - VILLAGE AT MAYFIELD median of $510,992, in a neighborhood that declined 5.8% over the past year.

Estimated Value Range

$576,819 $851,621
Best Estimate
$653,653
WCAD Value
$543,805
Medium Confidence

Based on 5 comparable properties(3 in the same subdivision)

Based on 5 comparable properties (3 in the same subdivision, 2 nearby), the estimated range is $576,819 and $851,621. More comparables in the same subdivision would strengthen this estimate.

Comparable Properties (5)

3748 CERULEAN WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,423 sqft Built 2004
Raw Value $488,728
Adjusted Value $582,122

Adjusted +$93,394 for 335 sqft more living space. Net adjustment: +$93,394.

3716 CERULEAN WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,293 sqft Built 2006
Raw Value $714,053
Adjusted Value $843,149

Adjusted +$129,637 for 465 sqft more living space and -$541 for being older. Net adjustment: +$129,096.

4008 MASSEY WAY, ROUND ROCK, TX 78681
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,427 sqft Built 2006
Raw Value $485,081
Adjusted Value $576,819

Adjusted +$92,279 for 331 sqft more living space and -$541 for being older. Net adjustment: +$91,738.

3 bed 2 bath 2,071 sqft Built 2000
Raw Value $461,042
Adjusted Value $653,653

Adjusted +$191,528 for 687 sqft more living space and +$1,083 for being newer. Net adjustment: +$192,611.

4 bed 3 bath 2,751 sqft Built 2008
Raw Value $850,752
Adjusted Value $851,621

Adjusted +$1,952 for 7 sqft more living space and -$1,083 for being older. Net adjustment: +$869.

The Neighborhood

This home is valued 6.4% above the L498506D - VILLAGE AT MAYFIELD median of $510,992. With 696 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 5.8% over the past year.

L498506D - VILLAGE AT MAYFIELD

typical
696 Properties
$510,992 Median Value
-5.8% YoY Change
1% Have Pool
100% Have Garage
This Home
$543,805
Median
$510,992

This home is +6.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,785 across all districts. With a homestead exemption claimed, that drops to $8,434 — saving $1,351 per year. That's $703 per month a buyer should budget. The assessed value increased +6.1% vs the subdivision average of -5.8%. This above-average increase gives a protest opportunity score of 65 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$4,857
Round RockCity0.3720%$2,023
Williamson CountyCounty0.3694%$2,009
Austin Community Collegespecial0.1034%$562
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$92
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,785
65 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $653,653 would pay approximately $4,080 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