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2823 PIPER SONOMA PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,750 sqftBuilt 2006

Property at a Glance

This home is estimated between $411,973 and $793,839, with a best estimate of $481,709. 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

$411,973 $793,839
Best Estimate
$481,709
WCAD Value
$476,497
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 $411,973 and $793,839. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2843 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,939 sqft Built 2006
Raw Value $658,756
Adjusted Value $626,804

Adjusted -$50,649 for 189 sqft less living space and +$18,697 for having a pool. Net adjustment: -$31,952.

2834 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,926 sqft Built 2006
Raw Value $510,177
Adjusted Value $481,709

Adjusted -$47,165 for 176 sqft less living space and +$18,697 for having a pool. Net adjustment: -$28,468.

2827 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,965 sqft Built 2007
Raw Value $511,116
Adjusted Value $466,765

Adjusted -$57,616 for 215 sqft less living space and -$5,432 for being older and +$18,697 for having a pool. Net adjustment: -$44,351.

2815 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,100 sqft Built 2007
Raw Value $606,386
Adjusted Value $793,839

Adjusted +$174,188 for 650 sqft more living space and -$5,432 for being older and +$18,697 for having a pool. Net adjustment: +$187,453.

2835 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,212 sqft Built 2007
Raw Value $522,515
Adjusted Value $411,973

Adjusted -$123,807 for 462 sqft less living space and -$5,432 for being older and +$18,697 for having a pool. Net adjustment: -$110,542.

The Neighborhood

This home is valued 5.5% 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

typical
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$476,497
Median
$451,534

This home is +5.5% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,573 across all districts. With a homestead exemption claimed, that drops to $7,235 — saving $1,338 per year. That's $603 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%$4,256
Round RockCity0.3720%$1,773
Williamson CountyCounty0.3694%$1,760
Austin Community Collegespecial0.1034%$493
Williamson County FM/RdCounty0.0443%$211
Upper Brushy Creek WCIDWater0.0170%$81
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,573

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $481,709 would pay approximately $3,007 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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