Columbia Mechanical Contractors Inc., a full-service mechanical contractor specializing in commercial HVAC, plumbing, piping, and fire sprinkler work in San Francisco and the surrounding areas.

Welcome to Columbia Mechanical Contractors. We are a full-service mechanical contractor specializing in commercial HVAC, plumbing, piping, and fire sprinkler work in San Francisco and the surrounding areas.

Our focus is San Francisco high-rise tenant improvement and building renovation work.

Our company is committed to providing excellent customer service using only the highest quality materials and installed by our dedicated union employees.