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2818 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665

ROUND ROCK, 78665 — williamson County

4 bed3 bath3,192 sqftBuilt 2006

Property at a Glance

This home is estimated between $571,861 and $829,913, with a best estimate of $586,167. 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

$571,861 $829,913
Best Estimate
$586,167
WCAD Value
$534,572
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 $571,861 and $829,913. 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 $642,583

Adjusted +$56,544 for 211 sqft more living space. Net adjustment: +$56,544.

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 $583,702

Adjusted +$69,407 for 259 sqft more living space. Net adjustment: +$69,407.

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 $586,167

Adjusted +$88,434 for 330 sqft more living space. Net adjustment: +$88,434.

2809 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,066 sqft Built 2006
Raw Value $528,166
Adjusted Value $829,913

Adjusted +$301,747 for 1,126 sqft more living space. Net adjustment: +$301,747.

2821 FOUNTAIN GROVE CV, ROUND ROCK, TX 78665
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,938 sqft Built 2007
Raw Value $509,226
Adjusted Value $571,861

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

The Neighborhood

This home is valued 18.4% 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

above average
1,029 Properties
$451,534 Median Value
-7.0% YoY Change
2% Have Pool
100% Have Garage
This Home
$534,572
Median
$451,534

This home is +18.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $9,618 across all districts. With a homestead exemption claimed, that drops to $8,269 — saving $1,349 per year. That's $689 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%$4,774
Round RockCity0.3720%$1,989
Williamson CountyCounty0.3694%$1,975
Austin Community Collegespecial0.1034%$553
Williamson County FM/RdCounty0.0443%$237
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,618

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $586,167 would pay approximately $3,659 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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