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1925 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath1,666 sqftBuilt 2000

Property at a Glance

This home is estimated between $408,096 and $655,863, with a best estimate of $601,213. That places the property above 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

$408,096 $655,863
Best Estimate
$601,213
WCAD Value
$534,053
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 $408,096 and $655,863. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $408,096

Adjusted -$149,621 for 489 sqft less living space and -$1,803 for being older. Net adjustment: -$151,424.

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 $510,643

Adjusted -$84,449 for 276 sqft less living space and -$1,803 for being older. Net adjustment: -$86,252.

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 $622,223

Adjusted +$21,418 for 70 sqft more living space and -$1,803 for being older. Net adjustment: +$19,615.

1900 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,624 sqft Built 1998
Raw Value $584,757
Adjusted Value $601,213

Adjusted +$12,851 for 42 sqft more living space and +$3,605 for being newer. Net adjustment: +$16,456.

1901 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
5 bed 3 bath 1,352 sqft Built 1999
Raw Value $557,984
Adjusted Value $655,863

Adjusted +$96,076 for 314 sqft more living space and +$1,803 for being newer. Net adjustment: +$97,879.

The Neighborhood

This home is valued 7.9% 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
$534,053
Median
$579,777

This home is -7.9% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,609 across all districts. With a homestead exemption claimed, that drops to $8,260 — saving $1,349 per year. That's $688 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%$4,770
Round RockCity0.3720%$1,987
Williamson CountyCounty0.3694%$1,973
Austin Community Collegespecial0.1034%$552
Williamson County FM/RdCounty0.0443%$237
Upper Brushy Creek WCIDWater0.0170%$91
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$9,609

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $601,213 would pay approximately $3,753 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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