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201 CR 186, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,811 sqftBuilt 1994

Property at a Glance

This home is estimated between $434,113 and $614,272, with a best estimate of $584,563. That places the property below the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322, in a neighborhood that declined 11.1% over the past year.

Estimated Value Range

$434,113 $614,272
Best Estimate
$584,563
WCAD Value
$1,002,022
Low Confidence

Based on 5 comparable properties(0 in the same subdivision)

There are 5 comparable properties within range, but none are in R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs. The estimated range of $434,113 and $614,272 should be treated as a rough guide.

Comparable Properties (5)

4 bed 2 bath 1,660 sqft Built 1999
Raw Value $583,817
Adjusted Value $614,272

Adjusted +$49,654 for 151 sqft more living space and -$19,199 for being older. Net adjustment: +$30,455.

4 bed 2 bath 1,625 sqft Built 1998
Raw Value $538,758
Adjusted Value $584,563

Adjusted +$61,164 for 186 sqft more living space and -$15,359 for being older. Net adjustment: +$45,805.

3 bed 2 bath 1,796 sqft Built 1999
Raw Value $451,096
Adjusted Value $436,830

Adjusted +$4,933 for 15 sqft more living space and -$19,199 for being older. Net adjustment: -$14,266.

3 bed 2 bath 1,791 sqft Built 1999
Raw Value $446,735
Adjusted Value $434,113

Adjusted +$6,577 for 20 sqft more living space and -$19,199 for being older. Net adjustment: -$12,622.

4 bed 2 bath 1,572 sqft Built 1998
Raw Value $527,167
Adjusted Value $590,400

Adjusted +$78,592 for 239 sqft more living space and -$15,359 for being older. Net adjustment: +$63,233.

The Neighborhood

This home is valued 68.6% above the R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs median of $594,322. With 82 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 11.1% over the past year.

R002D78G - East Round Rock Williamson Co Abstracts lt 20 Acs

outlier high
82 Properties
$594,322 Median Value
-11.1% YoY Change
1% Have Pool
43% Have Garage
This Home
$1,002,022
Median
$594,322

This home is +68.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,103 across all districts. With a homestead exemption claimed, that drops to $8,730 — saving $1,373 per year. That's $728 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%$5,942
Williamson CountyCounty0.3694%$2,458
Austin Community Collegespecial0.1034%$688
Williamson County ESD #8 - GeorgetownESD0.0912%$607
Williamson County FM/RdCounty0.0443%$295
Upper Brushy Creek WCIDWater0.0170%$113
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.5185%$10,103

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $584,563 would pay approximately $3,649 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.

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