Building Changes Permits

When Do You Require a Building Permit?

Building permits must be obtained from the Montville Construction Department before making any of the following changes to a building:
  • Replacing a roof
  • Installing new siding
  • Adding a bedroom or bathroom
  • Adding an addition
  • Interior alterations
  • Constructing a deck
  • Enclosing a porch
  • Installing a dishwasher
  • Replacing an electric stove with a gas stove
  • Finishing a basement