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1553 LORSON LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath1,802 sqftBuilt 2003

Property at a Glance

This home is estimated between $216,586 and $433,256, with a best estimate of $321,598. 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

$216,586 $433,256
Best Estimate
$321,598
WCAD Value
$318,920
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 $216,586 and $433,256. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1551 LORSON LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
4 bed 2 bath 1,540 sqft Built 2003
Raw Value $372,591
Adjusted Value $433,256

Adjusted +$60,665 for 262 sqft more living space. Net adjustment: +$60,665.

1555 LORSON LOOP, ROUND ROCK, TX 78665
0.01 mi 100% similar Same subdivision
3 bed 2 bath 2,278 sqft Built 2003
Raw Value $326,802
Adjusted Value $216,586

Adjusted -$110,216 for 476 sqft less living space. Net adjustment: -$110,216.

3926 BONNIE LN, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,272 sqft Built 2003
Raw Value $326,552
Adjusted Value $217,725

Adjusted -$108,827 for 470 sqft less living space. Net adjustment: -$108,827.

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 $390,645

Adjusted +$51,866 for 224 sqft more living space. Net adjustment: +$51,866.

3930 BONNIE LN, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 1,804 sqft Built 2003
Raw Value $322,061
Adjusted Value $321,598

Adjusted -$463 for 2 sqft less living space. Net adjustment: -$463.

The Neighborhood

This home is valued 2.8% 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
$318,920
Median
$328,056

This home is -2.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $5,738 across all districts. With a homestead exemption claimed, that drops to $4,429 — saving $1,309 per year. That's $369 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%$2,848
Round RockCity0.3720%$1,186
Williamson CountyCounty0.3694%$1,178
Austin Community Collegespecial0.1034%$330
Williamson County FM/RdCounty0.0443%$141
Upper Brushy Creek WCIDWater0.0170%$54
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$5,738

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $321,598 would pay approximately $2,007 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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