Municipalities often don’t have enough inspectors to cover the volume of inspections required. I can tell you from personal experiences that I’ve seen contractors cut many corners either due to cost savings or ignorance. I’ve been red seal journeyman Carpenter for over 25 years. A homeowner or anyone else for that matter should be able to review them to insure their house is up to code. These are important document pertaining to the minimum standards of construction. The national building code and any other government issued rules and regulations should without a bout be free online.