Coastal Cottage Builders
About Coastal Cottage Builders
Specializing in ADU construction and related services in Elmhurst, IL.
Services Offered
Location & Service Area
Elmhurst and surrounding areas
Reviews(4)
Would hire again
The team was incredibly knowledgeable about ADU regulations in our area. They made the permitting process painless.
Garage ConversionExceeded expectations
Excellent communication throughout the project. They kept us informed at every stage and the final result is beautiful.
Backyard CottageHighly recommend
They built our backyard ADU from start to finish. The team was professional, communicated well, and delivered a beautiful unit. Highly recommend!
Prefab ADUHighly recommend
They designed and built a stunning 800 sq ft ADU in our backyard. The process was smooth and the team was always responsive.
Prefab ADUShare Your Experience
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SponsoredPortable power stations and solar panels for ADUs. Off-grid power solutions, backup generators, and whole-home battery systems.
Factory-built ADUs delivered to your site. Modern designs from 400–1,200 sq ft. Turnkey installation included.
Professional-grade power tools and equipment for ADU construction. Industry-leading cordless tool systems.