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

Redefining Construction Solutions.

Our Story, as your Alameda 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.

Alameda County, California is a diverse and dynamic region of the East Bay, home to vibrant cities, established neighborhoods, and major economic centers. From Oakland and Berkeley to Fremont and Pleasanton, the county offers a wide range of residential and commercial properties supported by strong infrastructure and access to the greater Bay Area.

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