Will County, IL Building Safety: Plumbing Permits (2026)

A permit must be obtained in advance and all other requirements of the Building Ordinance must be complied with whenever a building or parts of appurtenance thereof, such as water supply, sewage disposal, plumbing installation, electrical installation and heating equipment located outside the limits of cities, villages and incorporated towns of this county and regulated by the Building Ordinance, is erected, installed, altered, converted, remodeled, re-roofed, structurally repaired, moved or changed, except as provided hereafter. Exception: Emergency repairs as long as the building permit is applied for on the next business day.

(1)   Construction of "process components" (piping, vessels, equipment, etc.) shall only require a manufacturing exempt permit and follow the applicable fee schedule for such permits. These permits shall be the sole responsibility of the owner and shall conform to the Occupational Safety and Health Act (OSHA) and/or Nuclear Regulatory Commission Regulations and/or other applicable laws, codes and standards. All occupiable buildings in a manufacturing facility shall require a building permit and are subject to the requirements of the Will County Building Ordinance, inspection requirements and applicable fee schedule. Exception: The below grade portion of process components shall not require a permit.

(a)   Any owner or authorized agent who wishes to exercise this