Residential HVAC Permit

Residential Mechanical Permits

A residential mechanical permit is required for the following work on a residential building or structure (single family or two-family dwelling or associated accessory structure such as a garage)

• Renovate and repair mechanical or fuel gas systems.
• Extend or modify an existing mechanical or fuel gas system.
• Installation of new mechanical or fuel gas systems.

Please see Permit Home for definition of residential structures and work types.  Please see work not requiring a permit for work that can be performed without a PLI permit.

Mechanical Work Scope:

The work types for residential mechanical permits are the for all work types.  

• Boiler
• Ductwork
• Mechanical Equipment – Exterior
• Mechanical Equipment – Interior
• Exhaust System
• Fuel Gas Piping
• Hydronic System
• Refrigeration System

Permit Process:

The permit process consists of the following steps:

• Application Submission
• Application Review
  • Residential mechanical permits do not require submission of drawings for PLI
• Permit Issuance
• Permit Inspections
• Permit Completion

Please see Other Agency Coordination for processes related to other agencies that may relate to your permit scope.  For residential mechanical permits:

• Zoning Development Review application (ZDR) submission is required for the following:
  • Mechanical Equipment – Exterior work scope.
  • Any work scope if the property is located in a regulated floodplain.