Solar Permit in Chicago, Illinois

Permit required?

Yes, a permit is required.

When a permit is usually needed

Before installing any residential solar PV system

Permit cost and what affects it

Fees are set by the locality and are not published here. See the official fee schedule or contact the office for current amounts.

Permit costs generally depend on the project valuation, the scope of work, and the inspections required. Ask the office how the fee is calculated for your specific project.

Official fee schedule

Where to apply

• Official permit page
• Permit portal

Frequently asked questions

Do you need a solar permit in Chicago?

A building permit is required for all residential solar PV system installations in Chicago. Small-scale rooftop systems up to 13.44 kW qualify for the Express Permit Program which provides same-day approval online. Larger systems require a standard permit with full plan review. Always confirm with the Chicago Department of Buildings before starting.

How much does a solar permit cost in Chicago?

Fees are set by Chicago and are not published here. See the official fee schedule for current amounts.

How long does a solar permit take in Chicago?

Processing time for a solar permit in Chicago varies by workload and project scope. Contact the Chicago Department of Buildings for a current estimate.

Where do you apply for a solar permit in Chicago?

You can apply through the Chicago permit portal or contact the Chicago Department of Buildings directly. The links are listed on this page.

Official sources

• https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits/svcs/express-permits.html
• https://www.chicago.gov/city/en/sites/guide-to-building-permits/home/terms-and-conditions/epp/worktype/SOLAR.html