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.

Columbia Mechanical Contractors, Inc. is a full-service mechanical contractor specializing in San Francisco commercial work. We perform heating, ventilation, air conditioning, plumbing, piping, and fire sprinkler work for tenant improvement and base building renovation work.

Since 1971, we have provided superior workmanship and service to San Francisco building owners and general contractors. In addition to our contracting division, our service department provides emergency HVAC and plumbing service as well as maintenance contracts. Columbia Mechanical is a union shop employing plumbers, pipe fitters, sheet metal workers, and sprinkler fitters.

High-Rise Offices
Retail
Hotels
Hospitals

Churches
Schools
Restaurants

California State License No. 273358 Classifications: C-16, C-20, C-36