Building Department FAQ Building Department FAQWhen is a building permit required?
The Zoning Ordinance of Sandown and the New Hampshire building codes state:
"It shall be unlawful to construct, add to, alter, remove or demolish, or to commence construction, addition, alteration, removal or demolition of a building or structure or install plumbing, sanitary disposal systems or electrical equipment, or modify the same for the operation of a building or structure or to convert any summer, recreational or other similar seasonal dwelling into a dwelling which is or is intended to be suitable for year-round habitation without first filing with the building official an application in writing and obtaining a formal permit."