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2821 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

3 bed2 bath2,938 sqftBuilt 2007

Property at a Glance

This home is estimated between $471,937 and $579,948, with a best estimate of $521,067. 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

$471,937 $579,948
Best Estimate
$521,067
WCAD Value
$509,226
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 $471,937 and $579,948. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2813 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,981 sqft Built 2006
Raw Value $586,039
Adjusted Value $579,948

Adjusted -$11,523 for 43 sqft less living space and +$5,432 for being newer. Net adjustment: -$6,091.

2801 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,933 sqft Built 2006
Raw Value $514,295
Adjusted Value $521,067

Adjusted +$1,340 for 5 sqft more living space and +$5,432 for being newer. Net adjustment: +$6,772.

2805 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,862 sqft Built 2006
Raw Value $497,733
Adjusted Value $523,532

Adjusted +$20,367 for 76 sqft more living space and +$5,432 for being newer. Net adjustment: +$25,799.

2818 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,192 sqft Built 2006
Raw Value $534,572
Adjusted Value $471,937

Adjusted -$68,067 for 254 sqft less living space and +$5,432 for being newer. Net adjustment: -$62,635.

2827 PIPER SONOMA PL, ROUND ROCK, TX 78665
0.04 mi 100% similar Same subdivision
3 bed 2 bath 2,965 sqft Built 2007
Raw Value $511,116
Adjusted Value $503,880

Adjusted -$7,236 for 27 sqft less living space. Net adjustment: -$7,236.

The Neighborhood

This home is valued 12.8% 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

typical
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$509,226
Median
$451,534

This home is +12.8% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,162 across all districts. With a homestead exemption claimed, that drops to $7,818 — saving $1,344 per year. That's $652 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%$4,548
Round RockCity0.3720%$1,894
Williamson CountyCounty0.3694%$1,881
Austin Community Collegespecial0.1034%$527
Williamson County FM/RdCounty0.0443%$226
Upper Brushy Creek WCIDWater0.0170%$87
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,162

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $521,067 would pay approximately $3,252 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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