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2811 PIPER SONOMA PL, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath2,895 sqftBuilt 2006

Property at a Glance

This home is estimated between $486,925 and $824,513, with a best estimate of $501,870. 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

$486,925 $824,513
Best Estimate
$501,870
WCAD Value
$510,503
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 $486,925 and $824,513. 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 $646,965

Adjusted -$11,791 for 44 sqft less living space. Net adjustment: -$11,791.

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 $501,870

Adjusted -$8,307 for 31 sqft less living space. Net adjustment: -$8,307.

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 $486,925

Adjusted -$18,759 for 70 sqft less living space and -$5,432 for being older. Net adjustment: -$24,191.

2830 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,220 sqft Built 2006
Raw Value $643,625
Adjusted Value $824,513

Adjusted +$180,888 for 675 sqft more living space. Net adjustment: +$180,888.

2823 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,750 sqft Built 2006
Raw Value $476,497
Adjusted Value $496,657

Adjusted +$38,857 for 145 sqft more living space and -$18,697 for no pool. Net adjustment: +$20,160.

The Neighborhood

This home is valued 13.1% 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
$510,503
Median
$451,534

This home is +13.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,185 across all districts. With a homestead exemption claimed, that drops to $7,841 — saving $1,344 per year. That's $653 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%$4,559
Round RockCity0.3720%$1,899
Williamson CountyCounty0.3694%$1,886
Austin Community Collegespecial0.1034%$528
Williamson County FM/RdCounty0.0443%$226
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,185

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $501,870 would pay approximately $3,133 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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