Keystone Home Design
About Keystone Home Design
Specializing in ADU construction and related services in Decatur, IL.
Services Offered
Location & Service Area
Decatur and surrounding areas
Reviews(3)
On time and on budget
They designed and built a stunning 800 sq ft ADU in our backyard. The process was smooth and the team was always responsive.
Prefab ADUGreat experience
Our ADU was completed on time and within budget. The craftsmanship is excellent and the attention to detail is impressive.
Backyard CottageTop-notch builders
We hired them for a garage conversion ADU. The quality of work exceeded our expectations. They handled all permits and inspections smoothly.
Custom ADUShare Your Experience
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Factory-built ADUs delivered to your site. Modern designs from 400–1,200 sq ft. Turnkey installation included.
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