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

3307 DAUFUSKIE ISLAND RD, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed2 bath1,902 sqftBuilt 2003

Property at a Glance

This home is estimated between $456,554 and $919,614, with a best estimate of $693,637. 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

$456,554 $919,614
Best Estimate
$693,637
WCAD Value
$693,494
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 $456,554 and $919,614. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

3304 DAUFUSKIE ISLAND RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,754 sqft Built 2002
Raw Value $756,088
Adjusted Value $456,554

Adjusted -$298,072 for 852 sqft less living space and -$1,462 for being older. Net adjustment: -$299,534.

3312 DAUFUSKIE ISLAND RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,457 sqft Built 2006
Raw Value $883,417
Adjusted Value $693,637

Adjusted -$194,167 for 555 sqft less living space and +$4,387 for being newer. Net adjustment: -$189,780.

3306 DAUFUSKIE ISLAND RD, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,419 sqft Built 2002
Raw Value $874,468
Adjusted Value $692,134

Adjusted -$180,872 for 517 sqft less living space and -$1,462 for being older. Net adjustment: -$182,334.

3404 STADLER CV, ROUND ROCK, TX 78664
0.08 mi 100% similar Same subdivision
4 bed 3 bath 1,734 sqft Built 2007
Raw Value $854,989
Adjusted Value $919,614

Adjusted +$58,775 for 168 sqft more living space and +$5,850 for being newer. Net adjustment: +$64,625.

3406 STADLER CV, ROUND ROCK, TX 78664
0.08 mi 100% similar Same subdivision
4 bed 3 bath 2,448 sqft Built 2006
Raw Value $930,693
Adjusted Value $744,062

Adjusted -$191,018 for 546 sqft less living space and +$4,387 for being newer. Net adjustment: -$186,631.

The Neighborhood

This home is valued 23.9% 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
$693,494
Median
$910,927

This home is -23.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $12,478 across all districts. With a homestead exemption claimed, that drops to $11,099 — saving $1,379 per year. That's $925 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%$6,194
Round RockCity0.3720%$2,580
Williamson CountyCounty0.3694%$2,562
Austin Community Collegespecial0.1034%$717
Williamson County FM/RdCounty0.0443%$307
Upper Brushy Creek WCIDWater0.0170%$118
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$12,478

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $693,637 would pay approximately $4,330 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