Applications & Construction Information

Applications for Commercial & Residential Permits

• Additions, alterations, accessory structures, New Commercial Buildings & New Dwellings (PDF)
• Amendment Application (PDF)
• Electric/Plumbing Only(no construction) (PDF)
• Fence or Retaining Wall
• Geothermal Application (instructions and code included) (PDF)
  
• Seasonal Outdoor Dining Permit Application(PDF)
• Solar Panels - Residential (instructions included) (PDF)
• Tents (instructions included) (PDF)

Instructions for Applications

• All Commercial Work & New Dwellings (PDF)
• Commercial Solar Panels (PDF)
• Demolition (PDF)
• Electric/Plumbing (no construction) (PDF)
• Fence - Retaining Wall (PDF)
• Fire Damage (PDF)
• Residential additions, alterations, accessory structures (existing) BUILT PRIOR (PDF)
• Residential additions, alterations, accessory structures PROPOSED (PDF)

Inspection Instructions

Inspections can be scheduled by calling 631-360-7522 during business hours or by filling out an online form .

• Arranging for Inspections (PDF)
• Commercial Inspections (PDF)
• Pressure Test (gas line) (PDF)
• Residential Inspection Procedures (for additions, alterations, etc) (PDF)
• Residential Inspections (For new single family dwellings ONLY) (PDF)

New York State Code for New Construction

• New York State Commercial Code (PDF)
• New York State Residential Code (PDF)
• Smithtown Climatic & Design Criteria Table R301.2(1)