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2006 MCILLWAIN CV, CEDAR PARK, TX 78613

CEDAR PARK, 78613 — williamson County

4 bed3 bath2,224 sqftBuilt 2007

Property at a Glance

This home is estimated between $518,587 and $732,875, with a best estimate of $640,812. 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

$518,587 $732,875
Best Estimate
$640,812
WCAD Value
$492,561
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 $518,587 and $732,875. 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 $660,991

Adjusted +$87,552 for 341 sqft more living space. Net adjustment: +$87,552.

2004 MCILLWAIN CV, CEDAR PARK, TX 78613
0.00 mi 100% similar Same subdivision
3 bed 2 bath 2,052 sqft Built 2006
Raw Value $470,659
Adjusted Value $518,587

Adjusted +$44,161 for 172 sqft more living space and +$3,767 for being newer. 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 $640,812

Adjusted +$83,958 for 327 sqft more living space and -$3,767 for being older. Net adjustment: +$80,191.

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 $536,720

Adjusted +$46,729 for 182 sqft more living space and -$11,300 for being older. Net adjustment: +$35,429.

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 $732,875

Adjusted +$100,390 for 391 sqft more living space. Net adjustment: +$100,390.

The Neighborhood

This home is valued 14.8% 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

typical
1,231 Properties
$578,451 Median Value
-8.7% YoY Change
1% Have Pool
100% Have Garage
This Home
$492,561
Median
$578,451

This home is -14.8% below the subdivision median.

Tax Analysis

The estimated annual property tax is $9,758 across all districts. With a homestead exemption claimed, that drops to $8,127 — saving $1,631 per year. That's $677 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%$5,354
Williamson CountyCounty0.3694%$1,820
Cedar ParkCity0.3600%$1,773
Austin Community Collegespecial0.1034%$509
Williamson County FM/RdCounty0.0443%$218
Upper Brushy Creek WCIDWater0.0170%$84
Williamson Central Appraisal Districtcad0.0000%$0
Total Annual Tax1.9811%$9,758

Mortgage Context

At today's 30-year mortgage rate of 6.38%, a buyer financing $640,812 would pay approximately $4,000 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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