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3215 BAY HILL LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,467 sqftBuilt 2002

Property at a Glance

This home is estimated between $604,701 and $919,869, with a best estimate of $872,986. That places the property below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927, in a neighborhood that declined 3.1% over the past year.

Estimated Value Range

$604,701 $919,869
Best Estimate
$872,986
WCAD Value
$904,008
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in R549699C - Forest Creek Sec 14,20,21,26-30,33,34, this home's estimated market value is between $604,701 and $919,869. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3218 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,050 sqft Built 2008
Raw Value $1,115,057
Adjusted Value $919,869

Adjusted -$203,962 for 583 sqft less living space and +$8,774 for being newer. Net adjustment: -$195,188.

3220 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 3,659 sqft Built 2001
Raw Value $1,023,184
Adjusted Value $604,701

Adjusted -$417,021 for 1,192 sqft less living space and -$1,462 for being older. Net adjustment: -$418,483.

3230 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,086 sqft Built 2005
Raw Value $731,851
Adjusted Value $869,531

Adjusted +$133,293 for 381 sqft more living space and +$4,387 for being newer. Net adjustment: +$137,680.

3208 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,932 sqft Built 2000
Raw Value $1,079,562
Adjusted Value $913,957

Adjusted -$162,680 for 465 sqft less living space and -$2,925 for being older. Net adjustment: -$165,605.

3205 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,803 sqft Built 2001
Raw Value $991,998
Adjusted Value $872,986

Adjusted -$117,550 for 336 sqft less living space and -$1,462 for being older. Net adjustment: -$119,012.

The Neighborhood

This home is in line with the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. Note that values in this subdivision declined 3.1% over the past year.

R549699C - Forest Creek Sec 14,20,21,26-30,33,34

typical
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$904,008
Median
$910,927

This home is -0.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $16,266 across all districts. With a homestead exemption claimed, that drops to $14,848 — saving $1,418 per year. That's $1,237 per month a buyer should budget. The assessed value increased +3.6% vs the subdivision average of -3.1%. This above-average increase gives a protest opportunity score of 44 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$8,074
Round RockCity0.3720%$3,363
Williamson CountyCounty0.3694%$3,340
Austin Community Collegespecial0.1034%$935
Williamson County FM/RdCounty0.0443%$401
Upper Brushy Creek WCIDWater0.0170%$154
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$16,266
44 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $872,986 would pay approximately $5,449 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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