Does my building permit cover the electrical, mechanical and plumbing work I will be doing?
Separate permits are required for any plumbing, mechanical or electrical work you’ll be doing in the course of your project.  Residential plumbing and mechanical permits can be obtained over the counter; commercial plumbing and mechanical projects need to go through plan review (so please allow for the extra time required).  Electrical permits can be obtained over the internet or by emailing or faxing in a permit application, depending on your municipality.