Custom Building Co
About Custom Building Co
Specializing in ADU construction and related services in Johns Creek, GA.
Services Offered
Location & Service Area
Johns Creek and surrounding areas
Reviews(2)
Top-notch builders
Our prefab ADU was installed quickly and looks custom-built. Very happy with the quality and the timeline.
Prefab ADUOutstanding work
We hired them for a garage conversion ADU. The quality of work exceeded our expectations. They handled all permits and inspections smoothly.
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.
Specialized ADU & renovation loans. Borrow based on your home's after-renovation value — up to $500K with competitive rates.