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

4509 WESTERN LAKE DR, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,805 sqftBuilt 2007

Property at a Glance

This home is estimated between $312,295 and $504,050, with a best estimate of $369,906. That places the property below the R417506E - TERAVISTA R4 median of $430,980, in a neighborhood that declined 4.6% over the past year.

Estimated Value Range

$312,295 $504,050
Best Estimate
$369,906
WCAD Value
$370,156
High Confidence

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

Based on 5 comparable properties in R417506E - TERAVISTA R4, this home's estimated market value is between $312,295 and $504,050. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4511 WESTERN LAKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,826 sqft Built 2007
Raw Value $374,913
Adjusted Value $369,906

Adjusted -$5,007 for 21 sqft less living space. Net adjustment: -$5,007.

4517 WESTERN LAKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 1,690 sqft Built 2007
Raw Value $344,616
Adjusted Value $372,033

Adjusted +$27,417 for 115 sqft more living space. Net adjustment: +$27,417.

4493 WESTERN LAKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,120 sqft Built 2008
Raw Value $393,016
Adjusted Value $318,735

Adjusted -$75,100 for 315 sqft less living space and +$819 for being newer. Net adjustment: -$74,281.

4504 WESTERN LAKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,098 sqft Built 2007
Raw Value $382,150
Adjusted Value $312,295

Adjusted -$69,855 for 293 sqft less living space. Net adjustment: -$69,855.

4513 WESTERN LAKE DR, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 1,534 sqft Built 2007
Raw Value $439,440
Adjusted Value $504,050

Adjusted +$64,610 for 271 sqft more living space. Net adjustment: +$64,610.

The Neighborhood

This home is valued 14.1% below the R417506E - TERAVISTA R4 median of $430,980. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.6% over the past year.

R417506E - TERAVISTA R4

typical
1,632 Properties
$430,980 Median Value
-4.6% YoY Change
1% Have Pool
99% Have Garage
This Home
$370,156
Median
$430,980

This home is -14.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $7,006 across all districts. With a homestead exemption claimed, that drops to $5,688 — saving $1,318 per year. That's $474 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%$3,306
Williamson CountyCounty0.3694%$1,368
Williamson County MUD #11MUD0.3656%$1,353
Austin Community Collegespecial0.1034%$383
Williamson County ESD #9 - Round RockESD0.0999%$370
Williamson County FM/RdCounty0.0443%$164
Upper Brushy Creek WCIDWater0.0170%$63
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.8928%$7,006

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $369,906 would pay approximately $2,309 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