Commercial: Rooftop Unit Resource Guide

Installing a rooftop unit requires a permit. A plan review is required and rooftop screening may be required.

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Permit Fees

• $165: One (1) Rooftop Unit
• $26: Any Additional Rooftop Unit

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Applicable Permit Submittal Requirements

1. See Step 1 of Permit Process for general submittal requirements.
2. Submit a commercial permit application through the OpenGov Permit Portal. 
3. Roof structure reinforcement details and roof opening details are required for new roof openings and/or an increase of the total operating weight of the new unit for replacement projects.
   • NOTE: All structural drawings must be digitally stamped and signed with the engineer of record professional seal.
4. A separate permit may be required if rooftop screening is required.

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Required Inspections

1. Final: Electrical

• All inspections require a 24 hour minimum advanced notice. Schedule inspections up to 4 p.m. on the business day prior to the requested inspection date by submitting a request through the Permit Portal or calling Permit Services at 847-923-4420
• Construction is required to be inspected at different phases of development according to the project type.
• Construction must remain accessible and exposed for inspection purposes until approved by the Inspector.
• The printed permit card must be clearly visible on site along with the approved as noted permit set, readily available to the Inspector.