DPIE does not review plumbing plans or issue any plumbing permits. All plumbing permits are issued by Washington Suburban Sanitary Commission (WSSC), which has a satellite office at DPIE. Office hours are Monday, Tuesday, Thursday and Friday, 8 a.m.-3 p.m. and Wednesday, 9 a.m.-3 p.m.
This office provides customers dealing with private new development or redevelopment projects support and coordination to facilitate the process of obtaining WSSC water and/or sewer plan approvals and permits including:
Coordinate WSSC approvals necessary for building permit release.