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2809 W PIPER SONOMA CT, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,733 sqftBuilt 2012

Property at a Glance

This home is estimated between $505,452 and $571,888, with a best estimate of $524,093. 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

$505,452 $571,888
Best Estimate
$524,093
WCAD Value
$480,582
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 $505,452 and $571,888. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2903 E PIPER SONOMA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,490 sqft Built 2007
Raw Value $431,812
Adjusted Value $524,093

Adjusted +$65,120 for 243 sqft more living space and +$27,161 for being newer. Net adjustment: +$92,281.

2916 E PIPER SONOMA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,739 sqft Built 2006
Raw Value $474,467
Adjusted Value $505,452

Adjusted -$1,608 for 6 sqft less living space and +$32,593 for being newer. Net adjustment: +$30,985.

2820 W PIPER SONOMA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,748 sqft Built 2006
Raw Value $558,433
Adjusted Value $568,309

Adjusted -$4,020 for 15 sqft less living space and +$32,593 for being newer and -$18,697 for no pool. Net adjustment: +$9,876.

2813 W PIPER SONOMA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,006 sqft Built 2007
Raw Value $617,886
Adjusted Value $571,888

Adjusted -$73,159 for 273 sqft less living space and +$27,161 for being newer. Net adjustment: -$45,998.

2816 W PIPER SONOMA CT, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,050 sqft Built 2007
Raw Value $573,363
Adjusted Value $515,574

Adjusted -$84,950 for 317 sqft less living space and +$27,161 for being newer. Net adjustment: -$57,789.

The Neighborhood

This home is valued 6.4% 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
$480,582
Median
$451,534

This home is +6.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $8,647 across all districts. With a homestead exemption claimed, that drops to $7,308 — saving $1,339 per year. That's $609 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%$4,292
Round RockCity0.3720%$1,788
Williamson CountyCounty0.3694%$1,775
Austin Community Collegespecial0.1034%$497
Williamson County FM/RdCounty0.0443%$213
Upper Brushy Creek WCIDWater0.0170%$82
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$8,647

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $524,093 would pay approximately $3,271 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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