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1906 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,031 sqftBuilt 2001

Property at a Glance

This home is estimated between $353,154 and $624,127, with a best estimate of $440,508. That places the property below the R545698D - Forest Creek Sec 8 & 9 median of $579,777, in a neighborhood that declined 6.5% over the past year.

Estimated Value Range

$353,154 $624,127
Best Estimate
$440,508
WCAD Value
$620,706
High Confidence

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

Based on 5 comparable properties in R545698D - Forest Creek Sec 8 & 9, this home's estimated market value is between $353,154 and $624,127. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

1924 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,725 sqft Built 2014
Raw Value $588,934
Adjusted Value $353,154

Adjusted -$212,346 for 694 sqft less living space and -$23,434 for being older. Net adjustment: -$235,780.

1908 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 2 bath 2,391 sqft Built 2000
Raw Value $542,495
Adjusted Value $434,147

Adjusted -$110,151 for 360 sqft less living space and +$1,803 for being newer. Net adjustment: -$108,348.

1926 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,380 sqft Built 2012
Raw Value $567,122
Adjusted Value $440,508

Adjusted -$106,785 for 349 sqft less living space and -$19,829 for being older. Net adjustment: -$126,614.

1920 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,155 sqft Built 2001
Raw Value $559,520
Adjusted Value $521,579

Adjusted -$37,941 for 124 sqft less living space. Net adjustment: -$37,941.

1904 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 4 bath 1,942 sqft Built 2001
Raw Value $596,895
Adjusted Value $624,127

Adjusted +$27,232 for 89 sqft more living space. Net adjustment: +$27,232.

The Neighborhood

This home is valued 7.1% above the R545698D - Forest Creek Sec 8 & 9 median of $579,777. With 219 homes in the subdivision, the property sits in the upper tier. Note that values in this subdivision declined 6.5% over the past year.

R545698D - Forest Creek Sec 8 & 9

typical
219 Properties
$579,777 Median Value
-6.5% YoY Change
2% Have Pool
97% Have Garage
This Home
$620,706
Median
$579,777

This home is +7.1% above the subdivision median.

Tax Analysis

The estimated annual property tax is $11,168 across all districts. With a homestead exemption claimed, that drops to $9,803 — saving $1,365 per year. That's $817 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%$5,544
Round RockCity0.3720%$2,309
Williamson CountyCounty0.3694%$2,293
Austin Community Collegespecial0.1034%$642
Williamson County FM/RdCounty0.0443%$275
Upper Brushy Creek WCIDWater0.0170%$106
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$11,168

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $440,508 would pay approximately $2,750 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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