Can I Build Solar Panels in Chicago, IL? (2026)
Find out if you can build a solar panels in Chicago, IL. Rules, permit requirements, costs, and next steps.
Yes, solar panels are permitted in Chicago, IL. A permit is required.
Solar panel installation in Chicago, IL is permitted and, for new construction, often required by state mandate. Residential solar installations require a building/electrical permit from the local building department. Contact the building department for the current permit process.
Solar Panels Rules in Chicago
Solar Panel Rules in Chicago: Permit required: Yes — all solar installations require a permit.
Costs & Fees
Solar permit fees in Chicago: Contact the local building department at (312) 744-3449 for current fee schedule.
Next Steps
Next steps for installing solar panels in Chicago: 1. Get quotes from licensed solar installers familiar with IL requirements. 2. Installer will prepare permit application and system design documents. 3. Permit application submitted to the local building department. 4. Once permit approved, installation begins. Electrical inspection required at completion. 5. Apply for utility interconnection and net metering through your utility provider.
Chicago Department of Buildings
Phone: (312) 744-3449 · Verified July 6, 2026 · Source
Website: https://www.chicago.gov/city/en/depts/bldgs.html
Online Permits: https://www.chicago.gov/city/en/depts/bldgs/provdrs/permits.html
Frequently Asked Questions
Can I build an ADU in Chicago?
Yes. Chicago's ADU Ordinance, expanded citywide in July 2022, allows both attached ADUs (basement or attic conversions) and detached coach houses (rear-yard ADUs typically built over a garage). Owner-occupancy applies only where the principal building adding a conversion unit or coach house is a detached house — that detached house must be owner-occupied at the time of pre-certification, and only within the designated RS Areas, not citywide. No replacement parking is required. A building permit from the Chicago Department of Buildings is required.
What is a coach house in Chicago, and is it the same as an ADU?
Yes. In Chicago, a coach house is the traditional term for a detached ADU — typically a 1- or 2-story structure built over a rear garage, accessed from the alley. Chicago's ADU Ordinance specifically authorizes coach houses up to 1,000 sqft and 22 ft tall. They are built in the rear yard, behind the principal building. Chicago has a rich history of coach houses from the late 19th and early 20th centuries.
How do I find the zoning of my Chicago property?
Use the City of Chicago Zoning Map at gisapps.chicago.gov/ZoningMapWeb/ — enter your address to find zone designation, applicable district standards, and special overlay zones. You can also check the Chicago Zoning Ordinance (Title 17) at codelibrary.amlegal.com.
Are short-term rentals allowed in Chicago?
Yes, with a license. The Chicago Shared Housing Ordinance (effective 2016) requires a Vacation Rental License or Shared Housing Host Registration ($125/year). Properties in buildings where the condo or co-op association has voted to ban short-term rentals are prohibited. Chicago collects a 4.5% Shared Housing Surcharge plus state hotel tax.
What are the setbacks for a standard Chicago bungalow lot?
In RS-3 (the most common single-family zone for Chicago bungalows), setbacks are: 15 ft front, 2 ft side (minimum — many have 2 ft on one side and 0 on the other with a shared driveway), and 30 ft rear. Chicago's standard lot is 25 ft wide by 125 ft deep. The rear yard is typically used for detached garages accessed from the alley.
Source: Chicago Department of Buildings — Building Regulations. Last verified April 3, 2026. View source