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3203 BAY HILL LN, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,550 sqftBuilt 2006

Property at a Glance

This home is estimated between $627,889 and $943,057, with a best estimate of $892,719. 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

$627,889 $943,057
Best Estimate
$892,719
WCAD Value
$642,281
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 $627,889 and $943,057. 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 $943,057

Adjusted -$174,925 for 500 sqft less living space and +$2,925 for being newer. Net adjustment: -$172,000.

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 $727,486

Adjusted -$246,294 for 704 sqft less living space and -$1,462 for being older. Net adjustment: -$247,756.

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 $627,889

Adjusted -$387,983 for 1,109 sqft less living space and -$7,312 for being older. Net adjustment: -$395,295.

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 $892,719

Adjusted +$162,330 for 464 sqft more living space and -$1,462 for being older. Net adjustment: +$160,868.

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 $937,145

Adjusted -$133,643 for 382 sqft less living space and -$8,774 for being older. Net adjustment: -$142,417.

The Neighborhood

This home is valued 29.5% below the R549699C - Forest Creek Sec 14,20,21,26-30,33,34 median of $910,927. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 3.1% over the past year.

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

below average
271 Properties
$910,927 Median Value
-3.1% YoY Change
1% Have Pool
99% Have Garage
This Home
$642,281
Median
$910,927

This home is -29.5% below the subdivision median.

Tax Analysis

The estimated annual property tax is $11,556 across all districts. With a homestead exemption claimed, that drops to $10,187 — saving $1,369 per year. That's $849 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%$5,736
Round RockCity0.3720%$2,389
Williamson CountyCounty0.3694%$2,373
Austin Community Collegespecial0.1034%$664
Williamson County FM/RdCounty0.0443%$285
Upper Brushy Creek WCIDWater0.0170%$109
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,556

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $892,719 would pay approximately $5,572 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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