Items That Require a Building Permit
Please note: mechanical, gas piping, and oil burner permits are handled by Fire Administration. Please do not submit a building permit application for these types of permits. Any questions, please call Derry Fire Administration at (603) 432-6751.
Building Permits are required for the following:
New Construction - Residential, commercial, industrial
Additions to Existing Structures - Residential, commercial, industrial
Garages - Attached or detached
Interior Renovations - Residential, commercial, industrial
New or replacement decks, screen porches
Sheds (Any size)
Swimming pools, above or inground
Electrical - Any electrical work performed (new or repairs) requires NH Licensed Master Electrician to obtain permit
Plumbing - Any plumbing work performed (new or repairs) requires NH Licensed Master Plumber to obtain permit
Wells - New or replacement
Septic Systems - New installations or replacement systems
Chimneys
Razing of any structure
Signs - New or replacement
Yearly licensing and inspection of all existing Mobile Home Parks