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1919 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

3 bed2 bath2,188 sqftBuilt 2013

Property at a Glance

This home is estimated between $493,892 and $613,482, with a best estimate of $510,178. 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

$493,892 $613,482
Best Estimate
$510,178
WCAD Value
$608,554
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 $493,892 and $613,482. 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 $503,816

Adjusted -$62,113 for 203 sqft less living space and +$23,434 for being newer. Net adjustment: -$38,679.

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 $613,482

Adjusted -$30,291 for 99 sqft less living space and +$7,210 for being newer. Net adjustment: -$23,081.

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 $510,178

Adjusted -$58,747 for 192 sqft less living space and +$1,803 for being newer. Net adjustment: -$56,944.

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 $591,248

Adjusted +$10,097 for 33 sqft more living space and +$21,631 for being newer. Net adjustment: +$31,728.

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 $493,892

Adjusted -$93,322 for 305 sqft less living space and +$3,605 for being newer. Net adjustment: -$89,717.

The Neighborhood

This home is valued 5.0% 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
$608,554
Median
$579,777

This home is +5.0% above the subdivision median.

Tax Analysis

The estimated annual property tax is $10,950 across all districts. With a homestead exemption claimed, that drops to $9,587 — saving $1,363 per year. That's $799 per month a buyer should budget. The assessed value increased +2.3% vs the subdivision average of -6.5%. This above-average increase gives a protest opportunity score of 44 out of 100 — it may be worth challenging the appraisal.

Tax Districts

DistrictTypeRateAnnual Amount
Round Rock ISDSchool0.8931%$5,435
Round RockCity0.3720%$2,264
Williamson CountyCounty0.3694%$2,248
Austin Community Collegespecial0.1034%$629
Williamson County FM/RdCounty0.0443%$270
Upper Brushy Creek WCIDWater0.0170%$103
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,950
44 / 100

Moderate opportunity to protest.

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $510,178 would pay approximately $3,185 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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