We bring creativity and expertise to everything we do, as your Contra Costa roofing and waterproofing company.

Redefining Construction Solutions.

Our Story, as your Contra Costa Contractor

DE Group Roofing and Waterproofing Corporation partners with clients to take on their most complex challenges and pioneer innovative solutions that make a positive, lasting impact.

We are a family-owned and operated company, specializing in roofing and waterproofing alongside the fabrication, installation, maintenance of gutter & downspouts and more.

Contra Costa County, California is a diverse and expansive region of the East Bay, known for its mix of suburban communities, thriving business centers, and access to open space. From cities like Walnut Creek and Concord to scenic areas near Mount Diablo and the Delta, the county offers a high quality of life for residents and property owners.

DE Group proudly serves Contra Costa County with professional roofing services for residential and commercial properties. From roof repairs and replacements to new construction and preventative maintenance, our team works across a wide range of property types, roofing systems, and architectural styles throughout the county.