Plumbing Permits - Buildings

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Do I Need a Permit?

Find Licensed Professionals

Project Advocate Program

Project Guidelines for Owners

Obtaining a Permit

Permits by Type

Plan Examination

Guide to BIS, DOB NOW & eFiling

Permit Renewal

After Hour Variances

Job Status

What to Expect During an Inspection

Certificate of Occupancy


Plumbing Permits

Work involving the alteration, rearrangement, relocation, or permanent removal of any piping must be supervised by a Licensed Master Plumber (LMP) or Master Fire Suppression Piping Contractor. The Licensed Master Plumber or Fire Suppression Piping Contractor must obtain permits from the Department and arrange for necessary tests and inspections of completed work by a DOB Inspector.

Work that Does Not Require a Permit

Simple repairs or direct replacement of existing faucets or fixtures such as toilets and sinks are considered cosmetic work and do not require a permit. Direct replacement involves work that does not alter or change the fixture's hot and cold water shutoff valves or fixture trap.

Additional Information

Limited Alteration Application (LAA)

Plumbing Permits & Applications

DOB NOW: Build Plumbing Resources

Helpful Links

Permit by Type

Obtaining a Permit

Permit Renewal

Plan Examination

Project Guidelines

Project Advocate Program