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3932 BONNIE LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,816 sqftBuilt 2002

Property at a Glance

This home is estimated between $269,280 and $432,824, with a best estimate of $328,951. That places the property above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.

Estimated Value Range

$269,280 $432,824
Best Estimate
$328,951
WCAD Value
$319,515
High Confidence

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

Based on 5 comparable properties in R409599G - STONEY BROOK - ALL SECTIONS, this home's estimated market value is between $269,280 and $432,824. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3930 BONNIE LN, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,804 sqft Built 2003
Raw Value $322,061
Adjusted Value $328,951

Adjusted +$2,779 for 12 sqft more living space and +$4,111 for being newer. Net adjustment: +$6,890.

3934 BONNIE LN, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,977 sqft Built 2002
Raw Value $306,559
Adjusted Value $269,280

Adjusted -$37,279 for 161 sqft less living space. Net adjustment: -$37,279.

1565 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,989 sqft Built 2002
Raw Value $472,881
Adjusted Value $432,824

Adjusted -$40,057 for 173 sqft less living space. Net adjustment: -$40,057.

1559 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,977 sqft Built 2002
Raw Value $312,936
Adjusted Value $275,657

Adjusted -$37,279 for 161 sqft less living space. Net adjustment: -$37,279.

1557 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,578 sqft Built 2003
Raw Value $338,779
Adjusted Value $397,998

Adjusted +$55,108 for 238 sqft more living space and +$4,111 for being newer. Net adjustment: +$59,219.

The Neighborhood

This home is valued 2.6% below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 4.7% over the past year.

R409599G - STONEY BROOK - ALL SECTIONS

typical
197 Properties
$328,056 Median Value
-4.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$319,515
Median
$328,056

This home is -2.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,749 across all districts. With a homestead exemption claimed, that drops to $4,440 — saving $1,309 per year. That's $370 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%$2,854
Round RockCity0.3720%$1,189
Williamson CountyCounty0.3694%$1,180
Austin Community Collegespecial0.1034%$330
Williamson County FM/RdCounty0.0443%$142
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,749

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $328,951 would pay approximately $2,053 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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