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1506 FOPPIANO LOOP, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,058 sqftBuilt 2003

Property at a Glance

This home is estimated between $273,653 and $563,886, with a best estimate of $537,388. 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

$273,653 $563,886
Best Estimate
$537,388
WCAD Value
$614,228
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 $273,653 and $563,886. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1502 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
3 bed 2 bath 2,109 sqft Built 2004
Raw Value $572,296
Adjusted Value $553,197

Adjusted -$13,667 for 51 sqft less living space and -$5,432 for being older. Net adjustment: -$19,099.

1505 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,228 sqft Built 2004
Raw Value $614,875
Adjusted Value $563,886

Adjusted -$45,557 for 170 sqft less living space and -$5,432 for being older. Net adjustment: -$50,989.

1500 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.03 mi 100% similar Same subdivision
4 bed 3 bath 2,241 sqft Built 2004
Raw Value $591,861
Adjusted Value $537,388

Adjusted -$49,041 for 183 sqft less living space and -$5,432 for being older. Net adjustment: -$54,473.

1510 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.02 mi 100% similar Same subdivision
4 bed 2 bath 2,860 sqft Built 2002
Raw Value $483,142
Adjusted Value $273,653

Adjusted -$214,921 for 802 sqft less living space and +$5,432 for being newer. Net adjustment: -$209,489.

1504 FOPPIANO LOOP, ROUND ROCK, TX 78665
0.01 mi 99% similar Same subdivision
4 bed 2 bath 2,932 sqft Built 2002
Raw Value $537,209
Adjusted Value $308,425

Adjusted -$234,216 for 874 sqft less living space and +$5,432 for being newer. Net adjustment: -$228,784.

The Neighborhood

This home is valued 36.0% 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
$614,228
Median
$451,534

This home is +36.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,052 across all districts. With a homestead exemption claimed, that drops to $9,688 — saving $1,364 per year. That's $807 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%$5,486
Round RockCity0.3720%$2,285
Williamson CountyCounty0.3694%$2,269
Austin Community Collegespecial0.1034%$635
Williamson County FM/RdCounty0.0443%$272
Upper Brushy Creek WCIDWater0.0170%$104
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,052

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $537,388 would pay approximately $3,354 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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