Yes, you typically need a permit to replace your water heater in San Jose. This requirement ensures that the installation complies with local building codes and safety regulations, which helps protect both your property and its occupants. A permit also provides a level of accountability, ensuring that the work is done correctly and safely.

Obtaining a permit usually involves submitting an application and having the installation inspected by a local building official. Many licensed professionals who install water heaters can handle the permit process for you, making it easier to comply with local requirements. Always check with your installer or local building department to confirm the specific permit requirements for your project.