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1914 MULLIGAN DR, ROUND ROCK, TX 78664

ROUND ROCK, 78664 — williamson County

4 bed3 bath1,674 sqftBuilt 2001

Property at a Glance

This home is estimated between $331,276 and $626,474, with a best estimate of $514,894. 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

$331,276 $626,474
Best Estimate
$514,894
WCAD Value
$555,969
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 $331,276 and $626,474. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

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 $331,276

Adjusted -$216,017 for 706 sqft less living space and -$19,829 for being older. Net adjustment: -$235,846.

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 $412,347

Adjusted -$147,173 for 481 sqft less living space. Net adjustment: -$147,173.

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 $514,894

Adjusted -$82,001 for 268 sqft less living space. Net adjustment: -$82,001.

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 $626,474

Adjusted +$23,866 for 78 sqft more living space. Net adjustment: +$23,866.

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 $605,464

Adjusted +$15,299 for 50 sqft more living space and +$5,408 for being newer. Net adjustment: +$20,707.

The Neighborhood

This home is valued 4.1% 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
$555,969
Median
$579,777

This home is -4.1% below the subdivision median.

Tax Analysis

The estimated annual property tax is $10,003 across all districts. With a homestead exemption claimed, that drops to $8,650 — saving $1,353 per year. That's $721 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%$4,965
Round RockCity0.3720%$2,068
Williamson CountyCounty0.3694%$2,054
Austin Community Collegespecial0.1034%$575
Williamson County FM/RdCounty0.0443%$246
Upper Brushy Creek WCIDWater0.0170%$95
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.7993%$10,003

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $514,894 would pay approximately $3,214 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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