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3906 BONNIE LN, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,108 sqftBuilt 2003

Property at a Glance

This home is estimated between $154,537 and $335,231, with a best estimate of $159,737. That places the property below the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056, in a neighborhood that declined 4.7% over the past year.

Estimated Value Range

$154,537 $335,231
Best Estimate
$159,737
WCAD Value
$361,500
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 $154,537 and $335,231. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3904 BONNIE LN, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,822 sqft Built 2004
Raw Value $320,950
Adjusted Value $159,737

Adjusted -$165,324 for 714 sqft less living space and +$4,111 for being newer. Net adjustment: -$161,213.

1531 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,180 sqft Built 2002
Raw Value $356,013
Adjusted Value $335,231

Adjusted -$16,671 for 72 sqft less living space and -$4,111 for being older. Net adjustment: -$20,782.

1533 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 3 bath 1,042 sqft Built 2002
Raw Value $312,734
Adjusted Value $323,905

Adjusted +$15,282 for 66 sqft more living space and -$4,111 for being older. Net adjustment: +$11,171.

1529 LORSON LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,822 sqft Built 2003
Raw Value $319,861
Adjusted Value $154,537

Adjusted -$165,324 for 714 sqft less living space. Net adjustment: -$165,324.

1535 LORSON LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 1,816 sqft Built 2003
Raw Value $319,538
Adjusted Value $155,603

Adjusted -$163,935 for 708 sqft less living space. Net adjustment: -$163,935.

The Neighborhood

This home is valued 10.2% above the R409599G - STONEY BROOK - ALL SECTIONS median of $328,056. With 197 homes in the subdivision, the property sits in the upper tier. 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
$361,500
Median
$328,056

This home is +10.2% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,504 across all districts. With a homestead exemption claimed, that drops to $5,187 — saving $1,317 per year. That's $432 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%$3,229
Round RockCity0.3720%$1,345
Williamson CountyCounty0.3694%$1,336
Austin Community Collegespecial0.1034%$374
Williamson County FM/RdCounty0.0443%$160
Upper Brushy Creek WCIDWater0.0170%$61
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,504

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $159,737 would pay approximately $997 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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