Affiliations and Certifications
CAL Custom Building Services is a California licensed General Contractor, holding CSLB License #377330.
CALCBS was on the initial steering committee for the North Bay Chapter of Efficiency First (EF). EF is a national nonprofit trade association uniting the Home Performance workforce, building product manufacturers, and related businesses or organizations in the fight against climate change and rising energy costs. EF partakes in public policy discussions at the state and national levels, promoting the benefits of efficiency retrofitting.
CALCBS employs Certified Building Analysts from the Building Performance Institute (BPI), the industry leader in quality-assurance and third-party verification programs. Today, BPI helps maintain and assure the highest standards in home performance contracting and green retrofits.
CALCBS is currently a participating contractor in the Home Performance with Energy Star program. Energy Star is a joint program of the U.S. Environmental Protection Agency and the U.S. Department of Energy.
CALCBS is a member of the North Coast Builders Exchange (NCBE). NCBE is committed to providing quality services and training to our members, promoting professionalism and ethics in construction, and helping to create a high quality of life in the communities we serve.