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2004 MCILLWAIN CV, CEDAR PARK, TX 78613

CEDAR PARK, 78613 — williamson County

3 bed2 bath2,052 sqftBuilt 2006

Property at a Glance

This home is estimated between $444,633 and $684,946, with a best estimate of $592,884. That places the property above the L315598D - Buttercup Creek Ph 4, Sec 3,4,6 & 9 median of $578,451, in a neighborhood that declined 8.7% over the past year.

Estimated Value Range

$444,633 $684,946
Best Estimate
$592,884
WCAD Value
$470,659
High Confidence

Based on 5 comparable properties(5 in the same subdivision)

Based on 5 comparable properties in L315598D - Buttercup Creek Ph 4, Sec 3,4,6 & 9, this home's estimated market value is between $444,633 and $684,946. All 5 comparables are in the same subdivision, giving this estimate high confidence.

Comparable Properties (5)

2012 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,883 sqft Built 2007
Raw Value $573,439
Adjusted Value $613,063

Adjusted +$43,391 for 169 sqft more living space and -$3,767 for being older. Net adjustment: +$39,624.

2006 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 2,224 sqft Built 2007
Raw Value $492,561
Adjusted Value $444,633

Adjusted -$44,161 for 172 sqft less living space and -$3,767 for being older. Net adjustment: -$47,928.

2011 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,897 sqft Built 2008
Raw Value $560,621
Adjusted Value $592,884

Adjusted +$39,796 for 155 sqft more living space and -$7,533 for being older. Net adjustment: +$32,263.

2017 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,042 sqft Built 2010
Raw Value $501,291
Adjusted Value $488,793

Adjusted +$2,568 for 10 sqft more living space and -$15,066 for being older. Net adjustment: -$12,498.

2008 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
4 bed 3 bath 1,833 sqft Built 2007
Raw Value $632,485
Adjusted Value $684,946

Adjusted +$56,228 for 219 sqft more living space and -$3,767 for being older. Net adjustment: +$52,461.

The Neighborhood

This home is valued 18.6% below the L315598D - Buttercup Creek Ph 4, Sec 3,4,6 & 9 median of $578,451. That positions it competitively for buyers comparing within the neighborhood. Note that values in this subdivision declined 8.7% over the past year.

L315598D - Buttercup Creek Ph 4, Sec 3,4,6 & 9

below average
1,231 Properties
$578,451 Median Value
-8.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$470,659
Median
$578,451

This home is -18.6% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,324 across all districts. With a homestead exemption claimed, that drops to $7,698 — saving $1,626 per year. That's $642 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
Leander ISDSchool1.0869%$5,116
Williamson CountyCounty0.3694%$1,739
Cedar ParkCity0.3600%$1,694
Austin Community Collegespecial0.1034%$487
Williamson County FM/RdCounty0.0443%$209
Upper Brushy Creek WCIDWater0.0170%$80
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9811%$9,324

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $592,884 would pay approximately $3,701 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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