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1505 LORSON LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed2 bath1,293 sqftBuilt 1999

Property at a Glance

This home is estimated between $315,093 and $374,896, with a best estimate of $342,151. 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

$315,093 $374,896
Best Estimate
$342,151
WCAD Value
$385,663
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 $315,093 and $374,896. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1503 LORSON LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 1,029 sqft Built 1999
Raw Value $313,768
Adjusted Value $374,896

Adjusted +$61,128 for 264 sqft more living space. Net adjustment: +$61,128.

1504 LORSON LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,130 sqft Built 1999
Raw Value $304,409
Adjusted Value $342,151

Adjusted +$37,742 for 163 sqft more living space. Net adjustment: +$37,742.

1540 TONIA LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,520 sqft Built 2006
Raw Value $371,904
Adjusted Value $348,122

Adjusted -$52,561 for 227 sqft less living space and +$28,779 for being newer. Net adjustment: -$23,782.

1506 LORSON LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,975 sqft Built 2000
Raw Value $468,897
Adjusted Value $315,093

Adjusted -$157,915 for 682 sqft less living space and +$4,111 for being newer. Net adjustment: -$153,804.

3901 BONNIE LN, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 2 bath 1,977 sqft Built 2000
Raw Value $477,141
Adjusted Value $322,874

Adjusted -$158,378 for 684 sqft less living space and +$4,111 for being newer. Net adjustment: -$154,267.

The Neighborhood

This home is valued 17.6% 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

above average
197 Properties
$328,056 Median Value
-4.7% YoY Change
0% Have Pool
100% Have Garage
This Home
$385,663
Median
$328,056

This home is +17.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $6,939 across all districts. With a homestead exemption claimed, that drops to $5,618 — saving $1,321 per year. That's $468 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%$3,444
Round RockCity0.3720%$1,435
Williamson CountyCounty0.3694%$1,425
Austin Community Collegespecial0.1034%$399
Williamson County FM/RdCounty0.0443%$171
Upper Brushy Creek WCIDWater0.0170%$66
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$6,939

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $342,151 would pay approximately $2,136 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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