Home Addition
in Wilmette.

Home Addition in Wilmette sees strong homeowner demand across the Chicago Metro.

2 ZIP codes servedState records checked where our automation reaches

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How Much Does Home Addition Cost in Wilmette, IL?

Typical Range

$40,000 to $150,000

Typical Home Addition projects in Wilmette run $40,000 to $150,000.

What Home Addition Returns in Wilmette

Mid-range cost and resale value from the 2025 Remodeling Cost vs. Value report. Wilmette is benchmarked using the East North Central regional average.

ProjectCostResale ValueROI
Deck Addition | Wood$18,263$17,32395%
Deck Addition | Composite$25,096$22,19989%
Bathroom Addition | Midrange$60,645$32,34753%
Bathroom Addition | Upscale$111,255$40,52636%
Primary Suite Addition | Midrange$170,517$55,09732%
Primary Suite Addition | Upscale$351,613$63,13618%

Source: Remodeling Magazine 2025 Cost vs. Value. Mid-range tier.

Deck Addition ROI Trend

Regional ROI by year

Deck Addition Regional ROI by year
YearROI
202072.1%
202165.8%
202264.8%
202350.2%
202482.9%
202594.9%

Source: Remodeling Cost vs Value data, 2020 to 2025.

Wilmette Market

27,503
Residents
$150,000 to $199,999
Median Income
over $3,000
Property Tax / yr
2
ZIP Codes
IL · Screened Contractors

Screened Home Addition Pros in Wilmette, IL

This is what we have checked in Wilmette so far. Every contractor we found is shown here, not ranked.

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