Plainfield, NJ Building Safety: Plumbing Permits (2026)

Article 2 of Chapter 8, the Plumbing Code, is a single section. Section 8:2-1 of the Plainfield Municipal Code says the State Uniform Construction Code, Plumbing Subcode, is hereby adopted pursuant to P.L. 1975, C. 217 as amended and N.J.A.C. 5:23. Section 12:1-2 then applies the Sanitary and Plumbing Codes adopted under §§ 8:1-1 and 8:2-1 to the Sewers and Water chapter by reference.

The subcode is administered by the City's State Uniform Construction Code Enforcing Agency under § 2:10-6A, known as the Department of Economic Development, which includes a Plumbing Subcode Official. The Construction Official, who is the Director of the Division of Inspections, is the chief administrator. An on-site inspection agency can be retained by contract in lieu of a particular subcode official, and the public does business with the agency at one office location except for emergencies and unforeseen or unavoidable circumstances.

Plumbing Subcode fees are set in § 2:10-6C(a)(2): $20 each for fixtures and stacks (sinks, urinals, water closets, bath tubs, shower stalls, dishwashers, garbage disposals, drinking fountains, water softeners, sump pumps and water filtration systems) with a minimum fee of $75; $100 each for installing or replacing a water supply or sanitary sewer line; $75 each for a water heater; $20 residential or $75 commercial for a backflow preventer; $75 for a gas piping air test; $75 for a grease trap or oil separator; and $75 for altering or decommissioning a septic system. Cross connection inspections cost $75 for each required three-month inspection and $100 for the annual inspection.

All appeals from decisions by the enforcing agency must be filed within 15 days with the Union County Board of Construction Appeals under § 2:10-6B(a).