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

4006 FALLING BROOK CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,281 sqftBuilt 2004

Property at a Glance

This home is estimated between $530,906 and $743,484, with a best estimate of $723,945. That places the property above the R420606C - TERAVISTA R5 median of $646,108, in a neighborhood that appreciated 2.5% over the past year.

Estimated Value Range

$530,906 $743,484
Best Estimate
$723,945
WCAD Value
$585,365
High Confidence

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

Based on 5 comparable properties in R420606C - TERAVISTA R5, this home's estimated market value is between $530,906 and $743,484. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

4008 FALLING BROOK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,161 sqft Built 2005
Raw Value $695,582
Adjusted Value $723,945

Adjusted +$34,721 for 120 sqft more living space and -$6,358 for being older. Net adjustment: +$28,363.

4004 FALLING BROOK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,163 sqft Built 2004
Raw Value $709,341
Adjusted Value $743,484

Adjusted +$34,143 for 118 sqft more living space. Net adjustment: +$34,143.

4003 FALLING BROOK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,068 sqft Built 2006
Raw Value $678,685
Adjusted Value $727,600

Adjusted +$61,631 for 213 sqft more living space and -$12,716 for being older. Net adjustment: +$48,915.

4011 FALLING BROOK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
5 bed 4 bath 2,623 sqft Built 2004
Raw Value $629,862
Adjusted Value $530,906

Adjusted -$98,956 for 342 sqft less living space. Net adjustment: -$98,956.

4005 FALLING BROOK CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,281 sqft Built 2006
Raw Value $596,628
Adjusted Value $583,912

Adjusted -$12,716 for being older. Net adjustment: -$12,716.

The Neighborhood

This home is valued 9.4% below the R420606C - TERAVISTA R5 median of $646,108. That positions it competitively for buyers comparing within the neighborhood. The neighborhood appreciated 2.5% over the past year.

R420606C - TERAVISTA R5

typical
622 Properties
$646,108 Median Value
+2.5% YoY Change
1% Have Pool
99% Have Garage
This Home
$585,365
Median
$646,108

This home is -9.4% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,208 across all districts. With a homestead exemption claimed, that drops to $9,849 — saving $1,359 per year. That's $821 per month a buyer should budget. The assessed value increased +6.3% vs the subdivision average of +2.5%. This above-average increase gives a protest opportunity score of 34 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,228
Williamson County MUD #10MUD0.3875%$2,268
Williamson CountyCounty0.3694%$2,163
Austin Community Collegespecial0.1034%$605
Williamson County ESD #9 - Round RockESD0.0999%$585
Williamson County FM/RdCounty0.0443%$259
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9147%$11,208
34 / 100

Some opportunity.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $723,945 would pay approximately $4,519 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