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1924 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath2,725 sqftBuilt 2014

Property at a Glance

This home is estimated between $587,960 and $757,359, with a best estimate of $669,926. 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

$587,960 $757,359
Best Estimate
$669,926
WCAD Value
$588,934
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 $587,960 and $757,359. 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 $669,926

Adjusted +$102,195 for 334 sqft more living space and +$25,236 for being newer. Net adjustment: +$127,431.

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 $587,960

Adjusted -$25,702 for 84 sqft less living space and +$7,210 for being newer. Net adjustment: -$18,492.

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 $676,288

Adjusted +$105,561 for 345 sqft more living space and +$3,605 for being newer. Net adjustment: +$109,166.

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 $757,359

Adjusted +$174,405 for 570 sqft more living space and +$23,434 for being newer. Net adjustment: +$197,839.

1911 MULLIGAN DR, ROUND ROCK, TX 78664
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,493 sqft Built 2011
Raw Value $583,609
Adjusted Value $660,003

Adjusted +$70,986 for 232 sqft more living space and +$5,408 for being newer. Net adjustment: +$76,394.

The Neighborhood

This home is valued 1.6% 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
$588,934
Median
$579,777

This home is +1.6% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,597 across all districts. With a homestead exemption claimed, that drops to $9,237 — saving $1,360 per year. That's $770 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%$5,260
Round RockCity0.3720%$2,191
Williamson CountyCounty0.3694%$2,176
Austin Community Collegespecial0.1034%$609
Williamson County FM/RdCounty0.0443%$261
Upper Brushy Creek WCIDWater0.0170%$100
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,597

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $669,926 would pay approximately $4,182 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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