Permit Required? Required
Typical Fee Range $150–$800 Building fee plus plumbing ($20 primary + $5/fixture) and electrical fees.
Fee Method Valuation-based

What's Required in Boston

  • Plumbing permit required for all fixture changes or removals.
  • Electrical permit for GFCI outlets and bathroom lighting.
  • Waterproofing system (shower pan) must be inspected before tiling.
  • Exhaust fan venting must lead directly to the exterior.
  • Tempered glass required for any window near a tub or shower.
  • Lead-safe practices required for homes built before 1978.

How to Get a Bathroom Remodel Permit in Boston

1

Step 1: Layout Plan

Draw the bathroom floor plan showing fixture placements.

2

Step 2: Portal Submission

Apply for the residential alteration permit online.

3

Step 3: Sub-contractors

Ensure plumber and electrician file their specific permits.

4

Step 4: Rough Inspections

Requires inspection of plumbing and electric before wall closure.

5

Step 5: Final Check

Final walk-through for all trades to verify safety compliance.

Frequently Asked Questions

Yes, any plumbing fixture change requires a permit in Boston.
Yes, unless the bathroom has an operable window meeting code size.
It is a $20 primary fee plus $5 for every fixture.