Additions, either to a dwelling or a garage, require a building permit. Construction plans should include a cross-section of the house, a floor plan, footing plans and a certificate of survey. Also, see the single-family lot guidelines (PDF) for standard setbacks from your property lines.

Note: Smoke alarms and carbon monoxide detectors (PDF) are required to be placed throughout the house per code before a final inspection will be approved.

Involving a Contractor

If a contractor is constructing the addition, the city requires the contractor to be licensed with either the state or the City of Maplewood. All gas work must be done by a contractor who is licensed for heating, ventilation, and air conditioning (HVAC) with the City of Maplewood.

Documentation required when applying for an addition building permit:

• Building Permit Application (PDF) - Including project valuation
• 3 copies of construction plans, including:
  • Cross-section of house
  • Energy calculations
  • Floor plan
  • Floor truss layout
  • Footing plan
  • Heat loss calculations
  • List of materials
  • Roof truss layout
• 3 copies of a certificate of survey or site plan (PDF) - Showing proposed addition and all distances to property lines and other buildings
• Separate permits are required for plumbing (PDF), mechanical (PDF), or electrical (PDF) work