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1527 FOPPIANO LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,957 sqftBuilt 2003

Property at a Glance

This home is estimated between $497,970 and $790,215, with a best estimate of $575,522. That places the property above the R530506E - SONOMA ALL SECTIONS median of $451,534, in a neighborhood that declined 7.0% over the past year.

Estimated Value Range

$497,970 $790,215
Best Estimate
$575,522
WCAD Value
$545,559
High Confidence

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

Based on 5 comparable properties in R530506E - SONOMA ALL SECTIONS, this home's estimated market value is between $497,970 and $790,215. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1530 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,684 sqft Built 2003
Raw Value $664,451
Adjusted Value $737,610

Adjusted +$73,159 for 273 sqft more living space. Net adjustment: +$73,159.

1518 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,953 sqft Built 2004
Raw Value $504,402
Adjusted Value $500,042

Adjusted +$1,072 for 4 sqft more living space and -$5,432 for being older. Net adjustment: -$4,360.

1526 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
3 bed 2 bath 2,921 sqft Built 2004
Raw Value $493,755
Adjusted Value $497,970

Adjusted +$9,647 for 36 sqft more living space and -$5,432 for being older. Net adjustment: +$4,215.

1514 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
4 bed 2 bath 2,441 sqft Built 2002
Raw Value $431,812
Adjusted Value $575,522

Adjusted +$138,278 for 516 sqft more living space and +$5,432 for being newer. Net adjustment: +$143,710.

1534 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.05 mi 99% similar Same subdivision
4 bed 2 bath 2,016 sqft Built 2003
Raw Value $538,044
Adjusted Value $790,215

Adjusted +$252,171 for 941 sqft more living space. Net adjustment: +$252,171.

The Neighborhood

This home is valued 20.8% above the R530506E - SONOMA ALL SECTIONS median of $451,534. With 1,029 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 7.0% over the past year.

R530506E - SONOMA ALL SECTIONS

above average
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$545,559
Median
$451,534

This home is +20.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,816 across all districts. With a homestead exemption claimed, that drops to $8,465 — saving $1,351 per year. That's $705 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%$4,872
Round RockCity0.3720%$2,029
Williamson CountyCounty0.3694%$2,016
Austin Community Collegespecial0.1034%$564
Williamson County FM/RdCounty0.0443%$242
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,816

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $575,522 would pay approximately $3,592 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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