For a single-family home, a gas water heater requires a mechanical permit and chimney verification. Also need to print the "Front" and "Inside" Construction Permit application.
For a single-family home, an electric water heater requires an electrical and mechanical permit and the "Front" and "Inside" Construction Permit application. Chimney verification is not needed for an electric water heater.
The cost for the permit is between $80 to $100.