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1930 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,328 sqftBuilt 2000

Property at a Glance

This home is estimated between $441,253 and $632,885, with a best estimate of $523,219. 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

$441,253 $632,885
Best Estimate
$523,219
WCAD Value
$551,071
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 $441,253 and $632,885. 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 $442,226

Adjusted -$121,472 for 397 sqft less living space and -$25,236 for being older. Net adjustment: -$146,708.

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 $523,219

Adjusted -$19,276 for 63 sqft less living space. Net adjustment: -$19,276.

1905 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 4 bath 2,809 sqft Built 2010
Raw Value $606,452
Adjusted Value $441,253

Adjusted -$147,173 for 481 sqft less living space and -$18,026 for being older. Net adjustment: -$165,199.

1909 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,287 sqft Built 2009
Raw Value $636,563
Adjusted Value $632,885

Adjusted +$12,545 for 41 sqft more living space and -$16,223 for being older. Net adjustment: -$3,678.

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 $529,580

Adjusted -$15,911 for 52 sqft less living space and -$21,631 for being older. Net adjustment: -$37,542.

The Neighborhood

This home is valued 5.0% 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
$551,071
Median
$579,777

This home is -5.0% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,915 across all districts. With a homestead exemption claimed, that drops to $8,563 — saving $1,352 per year. That's $714 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%$4,922
Round RockCity0.3720%$2,050
Williamson CountyCounty0.3694%$2,036
Austin Community Collegespecial0.1034%$570
Williamson County FM/RdCounty0.0443%$244
Upper Brushy Creek WCIDWater0.0170%$94
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,915

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $523,219 would pay approximately $3,266 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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