Beta Williamson County, TX only — data and coverage are limited during early access.

3217 BAY HILL LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath3,169 sqftBuilt 2004

Property at a Glance

This home is estimated between $694,148 and $1,162,539, with a best estimate of $946,967. 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

$694,148 $1,162,539
Best Estimate
$946,967
WCAD Value
$1,020,882
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 $694,148 and $1,162,539. 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 $1,162,539

Adjusted +$41,632 for 119 sqft more living space and +$5,850 for being newer. Net adjustment: +$47,482.

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 $946,967

Adjusted -$29,737 for 85 sqft less living space and +$1,462 for being newer. Net adjustment: -$28,275.

3216 BAY HILL LN, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 3,654 sqft Built 2004
Raw Value $863,825
Adjusted Value $694,148

Adjusted -$169,677 for 485 sqft less living space. Net adjustment: -$169,677.

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 $847,371

Adjusted -$171,426 for 490 sqft less living space and -$4,387 for being older. Net adjustment: -$175,813.

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 $1,112,200

Adjusted +$378,887 for 1,083 sqft more living space and +$1,462 for being newer. Net adjustment: +$380,349.

The Neighborhood

This home is valued 12.1% 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

typical
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$1,020,882
Median
$910,927

This home is +12.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $18,368 across all districts. With a homestead exemption claimed, that drops to $16,930 — saving $1,438 per year. That's $1,411 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%$9,117
Round RockCity0.3720%$3,798
Williamson CountyCounty0.3694%$3,772
Austin Community Collegespecial0.1034%$1,056
Williamson County FM/RdCounty0.0443%$453
Upper Brushy Creek WCIDWater0.0170%$174
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$18,368

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $946,967 would pay approximately $5,911 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.

View full property details