The following sections of the International Codes will give you a better idea of what projects may not require a permit or inspections:

International Building Code 2012 (IBC), Section 105
International Residential Code 2012 (IRC), Section 105
International Mechanical Code 2012 (IMC), Section 106
International Plumbing Code 2012 (IPC), Section 106
International Fuel Gas Code 2012 (IFGC), Section 106

When do I need a Building Permit? 

Permit Information for Type of Structure or Project:

• Accessory Building - includes detached garage, workshop, storage, barn, greenhouse, gazebo, pool house (any structure other than the main dwelling for non-agricultural use).
• Agricultural Building
  • Definition of Agricultural Use
• Basement Finish Permit Requirements
  • Basement Finish
• Commercial Buildings
• Commercial Buildings/Additions/Alterations/Tenant Finish
• Decks
• Demolition
• Modular Home
• Moving A Structure 
• Residential-Design Manufactured Home
• Single Family Dwelling
• Single Family Additions - includes alterations, attached garage, porches, sunrooms, basement finish
• Solar Installation
• Swimming Pools - Above Ground (5000 gallons or more), In-ground Pool (Vinyl Liners), In-ground Pool (concrete or gunite)
• Permits for replacement Windows, Siding or Stucco projects - Complete a residential permit application and submit with two copies of the suggested manufacturers' installation requirements.

Other Types of Permits (may be issued at the time of application):

• Roofing, Electrical, Mechanical, Plumbing 

Other Types of Permits Issued by Other Departments and Agencies, that may be required prior to construction:

• Environmental Permit List