In what situation might a contractor need to obtain a permit?

A contractor is required to obtain a permit primarily when undertaking significant changes to a structure, such as additions or structural modifications. This requirement exists because such projects can have a substantial impact on safety, structural integrity, and compliance with building codes and zoning laws. Permits serve to ensure that the contractor adheres to local regulations, which are designed to maintain safety standards and ensure that any major work done on a property meets legal requirements.

When it comes to minor repairs and maintenance, or purely aesthetic changes like painting, permits are typically not necessary because these do not usually affect the structural integrity or safety of the building. Similarly, routine inspections are generally part of a contractor's business practices and do not necessitate a separate permit. Therefore, the requirement for permits is tailored to the scope and impact of the work being performed, with significant changes necessitating the most oversight and regulation to ensure compliance with local laws.