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1938 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath1,723 sqftBuilt 2000

Property at a Glance

This home is estimated between $338,105 and $639,664, with a best estimate of $425,536. 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

$338,105 $639,664
Best Estimate
$425,536
WCAD Value
$544,786
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 $338,105 and $639,664. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $338,105

Adjusted -$204,390 for 668 sqft less living space. Net adjustment: -$204,390.

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 $344,466

Adjusted -$201,025 for 657 sqft less living space and -$21,631 for being older. Net adjustment: -$222,656.

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 $425,536

Adjusted -$132,181 for 432 sqft less living space and -$1,803 for being older. Net adjustment: -$133,984.

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 $528,084

Adjusted -$67,008 for 219 sqft less living space and -$1,803 for being older. Net adjustment: -$68,811.

1934 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,596 sqft Built 2001
Raw Value $602,608
Adjusted Value $639,664

Adjusted +$38,859 for 127 sqft more living space and -$1,803 for being older. Net adjustment: +$37,056.

The Neighborhood

This home is valued 6.0% below the R545698D - Forest Creek Sec 8 & 9 median of $579,777. That positions it competitively for buyers comparing within the neighborhood. 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
$544,786
Median
$579,777

This home is -6.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,802 across all districts. With a homestead exemption claimed, that drops to $8,451 — saving $1,351 per year. That's $704 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%$4,865
Round RockCity0.3720%$2,027
Williamson CountyCounty0.3694%$2,013
Austin Community Collegespecial0.1034%$563
Williamson County FM/RdCounty0.0443%$241
Upper Brushy Creek WCIDWater0.0170%$93
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,802

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $425,536 would pay approximately $2,656 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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