For a new commercial construction, three sets of building plans must be stamped by a registered architect or engineer and a plot plan must be stamped by a registered land surveyor. For new residential construction, three sets of building plans and a plot plan stamped by a registered land surveyor. For alterations, you need three sets of building plans. Vinyl siding and roof permits consist of filling out a short application. Plans must be reviewed and approved by the Fire Prevention prior to filing with the Building Department.