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3218 BAY HILL LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath3,050 sqftBuilt 2008

Property at a Glance

This home is estimated between $799,888 and $1,109,145, with a best estimate of $1,064,719. That places the property above 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

$799,888 $1,109,145
Best Estimate
$1,064,719
WCAD Value
$1,115,057
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 $799,888 and $1,109,145. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3236 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 3,254 sqft Built 2005
Raw Value $975,242
Adjusted Value $899,486

Adjusted -$71,369 for 204 sqft less living space and -$4,387 for being older. Net adjustment: -$75,756.

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 $799,888

Adjusted -$213,059 for 609 sqft less living space and -$10,237 for being older. Net adjustment: -$223,296.

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 $1,064,719

Adjusted +$337,255 for 964 sqft more living space and -$4,387 for being older. Net adjustment: +$332,868.

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 $1,109,145

Adjusted +$41,282 for 118 sqft more living space and -$11,699 for being older. Net adjustment: +$29,583.

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 $1,068,174

Adjusted +$86,413 for 247 sqft more living space and -$10,237 for being older. Net adjustment: +$76,176.

The Neighborhood

This home is valued 22.4% above the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. With 271 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 3.1% over the past year.

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

above average
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$1,115,057
Median
$910,927

This home is +22.4% above the subdivision median.

Tax Analysis

The estimated annual property tax is $19,847 across all districts. With a homestead exemption claimed, that drops to $18,393 — saving $1,454 per year. That's $1,533 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%$9,851
Round RockCity0.3720%$4,103
Williamson CountyCounty0.3694%$4,075
Austin Community Collegespecial0.1034%$1,141
Williamson County FM/RdCounty0.0443%$489
Upper Brushy Creek WCIDWater0.0170%$188
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$19,847

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $1,064,719 would pay approximately $6,646 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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