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Building requirements

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Bathroom plumbing and wiring must comply with local building code requirements, regardless of the size of the job. Codes protect you and your family from health hazards and make sure that the job is done right. Codes vary and plastic pipe may not be allowed in some places. Upgrading wiring or adding a new electrical circuit is also regulated. Be sure to check with the local building authority to find out what codes, permits and inspections are needed for your project.

It is your responsibility to arrange for the necessary inspections. If work isn't inspected or doesn't meet code, it may have to be ripped out, so be sure to get an inspection before enclosing any work. Be aware that doing work without the required permit is not only illegal but may also nullify your homeowner’s insurance.

When you visit your local city building department, ask the inspector these questions:

Does the work require a permit?

What types of plans need to be submitted?

Am I allowed to do all the work?

What part of the work has to be done by a licensed plumber or electrician?

When does the work have to be inspected?

The following are some common bathroom code requirements found throughout the country:

Sockets in a bathroom must be GFCI (Ground-Fault Circuit Interrupter) protected.
At least one light fixture must be permanently installed and controlled by a switch at the room's entrance.

There must be an operating window or an approved exhaust fan.

Toilets must have 15" of clearance on either side of the closet flange.

Pressure-balancing mixing valves may be required for the shower.

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