Crux builders is a general contracting company that focuses on residential and commercial construction in San Francisco and Marin county. We pride ourselves on our ability to collaborate well with clients and designers and we understand that building is a team effort. Whether in the context of a custom home renovation or a commercial tenant improvement, our crews and subcontractors are talented, respectful, and hard-working. We pride ourselves on creating a company that combines integrity, value, and attention to detail. We can get you through the crux of any building project.