JM Fire Systems is a Northern California fire sprinkler contractor based in Concord. It designs and installs custom sprinkler systems for single-family, multi-family and commercial buildings, and installs private service mains and fire hydrants. The firm also carries out NFPA 25 and Title 19 inspections (semi-annual, annual and five-year), along with maintenance and repairs. Its projects are mainly across the East Bay. It holds California C-16 Fire Protection Contractor licence 1062563 (CSLB).