Evanston, IL Building Safety: Green Building Code (2026)
Key Facts
- Threshold
- 10,000+ sq ft new construction/addition
- Required rating
- LEED Gold or equivalent
- Renovation threshold
- 10,000-20,000 sq ft needs LEED Silver
- Penalty
- 0.75% of building permit fee
Summary
New construction and additions of 10,000+ square feet to commercial, multifamily, or City-financed buildings in Evanston must earn a LEED Gold rating or equivalent under the city's Green Building Ordinance.
New construction and additions ten thousand (10,000) square feet or greater to City-owned or fully or partly City-financed buildings, and new construction and additions ten thousand (10,000) square feet or greater to all commercial and multifamily buildings, shall employ... the version of a rating system such as LEED, Green Globes, Living Building Challenge, Passive House, IgCC-Standard 189.1 or an equivalent rating system deemed acceptable by the Building Official... and shall achieve... LEED Gold Rating or higher; Green Globes-3 Globes rating...
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 21).
Full Breakdown
Evanston's Green Building Ordinance requires sustainable design on large projects to cut energy use and improve environmental quality (§ 4-21-1). New construction and additions of 10,000 square feet or more, to City-owned or City-financed buildings, and to all commercial and multifamily buildings, must pursue LEED Gold or higher, Green Globes-3, Living Building Challenge, Passive House, IgCC-Standard 189.1, or an equivalent rating the Building Official accepts (§ 4-21-3). Interior renovations of 10,000 to 20,000 square feet need LEED Silver or better, and renovations above 20,000 square feet need LEED Gold (§ 4-21-4). Developers submit a certification checklist with their building permit application (§ 4-21-6).
Violations & Fines
Projects that fail to earn the required certification owe the City a penalty equal to 0.75% of the building permit fee, deposited into the Sustainable Evanston Fund (§ 4-21-8).
Frequently Asked Questions
Does a small home addition in Evanston need LEED certification?
What happens if a covered project doesn't get certified?
Sources & Official References
Other rules in Evanston
Compare Evanston to another location·View the Illinois building safety overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Green Building Code in Nearby Cities
How other cities in Cook County handle green building code.