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Cleanest 50 Buildings by Greenhouse Gas Intensity

The median building in our dataset emits 8 CO₂ kg / square foot, but these buildings are Chicago's best in class and emit way less! Some, like Marina Towers , are large residential buildings, but other buildings in this list include offices, hotels, and even schools like King College Prep . Most buildings in this list have an Energy Star score over 90, which means they are typically officially certified as being energy-efficient.

Property Name / address	Primary Property Type	Greenhouse Gas Intensity (kg CO2 eq./sqft)	Total Greenhouse Emissions (metric tons CO2 eq.)
309-The Breakers at Edgewater Beach 🏆 5333 N Sheridan Rd	Senior Living Community	1.8 kg/sqft #1 Lowest	3,180 tons Highest 28%
200 N COLUMBUS DR 🏆 200 N COLUMBUS DR	Hotel	1.9 kg/sqft #2 Lowest	1,355 tons Lowest 22%
State Place Condominium Association 🏆 📷 1101 S State St	Multifamily Housing	2.7 kg/sqft #3 Lowest	1,481 tons Lowest 28%
Marina Towers Condominium Association 🏆 📷 300 N State St	Multifamily Housing	2.8 kg/sqft #4 Lowest	2,167 tons Highest 46%
The Monadnock Building 🏆 📷 53 W Jackson Blvd	Office	3.0 kg/sqft #5 Lowest	1,476 tons Lowest 28%
King College Prep -CPS 🏆 📷 4445 S Drexel Blvd	K-12 School	3.3 kg/sqft #6 Lowest	1,031 tons Lowest 3%
Clinton Complex Condominium Association 🏆 📷 500 S Clinton St	Multifamily Housing	3.3 kg/sqft #6 Lowest	1,101 tons Lowest 7%
Ella Flagg Young Apartments 🏆 4645 N Sherdian Rd	Multifamily Housing	3.4 kg/sqft #9 Lowest	1,029 tons Lowest 3%
Park 1500 Lofts 🏆 📷 1500 W Monroe St	Multifamily Housing	3.4 kg/sqft #9 Lowest	1,845 tons Lowest 43%
Saucedo Elementary Academy - CPS 🏆 2850 W 24th Blvd	K-12 School	3.4 kg/sqft #9 Lowest	1,002 tons #1 Lowest
Shoreland Apartments 🏆 5454 S Shore Dr	Multifamily Housing	3.5 kg/sqft #11 Lowest	2,231 tons Highest 46%
The ParkShore Condominium Association 🏆 195 N Harbor Dr	Multifamily Housing	3.6 kg/sqft #13 Lowest	3,634 tons Highest 24%
5252 S CORNELL AVE 🏆 5252 S CORNELL AVE	Multifamily Housing	3.6 kg/sqft #13 Lowest	1,219 tons Lowest 16%
329 W 18th St 🏆 329 W 18th St	Other	3.6 kg/sqft #13 Lowest	1,821 tons Lowest 43%
Hyatt Chicago Magnificent Mile 🏆 633 N St Clair St	Office	3.6 kg/sqft #13 Lowest	2,252 tons Highest 45%
Dearborn Tower Condominium Association 🏆 1530 S State St	Multifamily Housing	3.7 kg/sqft #16 Lowest	2,754 tons Highest 34%
Metropolitan Place Condominium Association 🏆 130 S Canal St	Multifamily Housing	3.7 kg/sqft #16 Lowest	2,152 tons Highest 47%
Wentworth Gardens 🏆 3770 S Wentworth Ave	Multifamily Housing	3.8 kg/sqft #19 Lowest	3,155 tons Highest 29%
401 465 E Illinois St 🏆 401 465 E Illinois St	Multifamily Housing	3.8 kg/sqft #19 Lowest	1,511 tons Lowest 30%
Auditorium Building 🏆 430 S Michigan Ave	College/University	3.8 kg/sqft #19 Lowest	2,248 tons Highest 45%
Phillips Academy HS -CPS 🏆 244 E Pershing Rd	K-12 School	3.8 kg/sqft #19 Lowest	1,094 tons Lowest 7%
Tilden HS -CPS 🏆 4747 S Union Ave	K-12 School	3.9 kg/sqft #24 Lowest	1,272 tons Lowest 18%
Wells Community Academy HS -CPS 🏆 936 N Ashland Ave	K-12 School	3.9 kg/sqft #24 Lowest	1,026 tons #29 Lowest
Bradley Business Center 🏆 2500 W Bradley Pl	Other	3.9 kg/sqft #24 Lowest	1,443 tons Lowest 26%
The Sexton Condominium Association 🏆 360 W Illinois St	Multifamily Housing	3.9 kg/sqft #24 Lowest	1,537 tons Lowest 31%
3711 S VINCENNES AVE 🏆 3711 S VINCENNES AVE	Multifamily Housing	3.9 kg/sqft #24 Lowest	1,180 tons Lowest 13%
Ontario Street Lofts CA 🏆 411 W Ontario St	Multifamily Housing	3.9 kg/sqft #24 Lowest	1,023 tons #27 Lowest
Chicago Vocational Career Academy -CPS 🏆 2106 E 87th St	K-12 School	4.0 kg/sqft #29 Lowest	2,718 tons Highest 34%
Lincoln Park 2550 Condominium Association 🏆 2550 N Lakeview Ave	Multifamily Housing	4.0 kg/sqft #29 Lowest	3,969 tons Highest 22%
Kelly HS -CPS 🏆 4136 S California Ave	K-12 School	4.0 kg/sqft #29 Lowest	1,206 tons Lowest 15%
Hanover House 🏆 11 21 W GOETHE ST	Multifamily Housing	4.0 kg/sqft #29 Lowest	1,008 tons #7 Lowest
Eddystone Condominium Homes 🏆 415 421 W MELROSE ST	Multifamily Housing	4.1 kg/sqft Lowest 3%	1,009 tons #10 Lowest
River North Commons CA 520 W Huron St	Multifamily Housing	4.1 kg/sqft Lowest 3%	1,152 tons Lowest 11%
3224 3244 N HALSTED ST 3224 3244 N HALSTED ST	Multifamily Housing	4.1 kg/sqft Lowest 3%	1,112 tons Lowest 8%
Lane Tech HS -CPS 2501 W Addison St	K-12 School	4.2 kg/sqft Lowest 3%	2,977 tons Highest 31%
Steinmetz Academic Center HS -CPS 3030 N Mobile Ave	K-12 School	4.2 kg/sqft Lowest 3%	1,692 tons Lowest 37%
Smith Senior Living 2320 W 113TH PL	Senior Living Community	4.2 kg/sqft Lowest 3%	1,557 tons Lowest 32%
Randolph Place Residences Condominium Association 165 N Canal St	Multifamily Housing	4.3 kg/sqft Lowest 3%	3,187 tons Highest 28%
The Darien Apartments 3100 N Lake Shore Dr	Multifamily Housing	4.3 kg/sqft Lowest 3%	1,504 tons Lowest 30%
Optima Signature Apartments 220 E Illinois St	Multifamily Housing	4.3 kg/sqft Lowest 3%	3,753 tons Highest 23%
Oakley Square Apartments 2325 W JACKSON BLVD	Multifamily Housing	4.3 kg/sqft Lowest 3%	1,203 tons Lowest 15%
The Blackstone, A Renaissance Hotel 636 S Michigan Ave	Hotel	4.3 kg/sqft Lowest 3%	1,665 tons Lowest 36%
(IL296) - 1400 Museum Park Condo 100 E 14th St	Multifamily Housing	4.3 kg/sqft Lowest 3%	2,343 tons Highest 42%
Lake Shore Condominium Association 1440 N LAKESHORE DR	Multifamily Housing	4.3 kg/sqft Lowest 3%	1,325 tons Lowest 20%
15th Place 811 - 833 W 15th Pl	Multifamily Housing	4.3 kg/sqft Lowest 3%	1,094 tons Lowest 7%
311 W Monroe 311 W Monroe	Office	4.3 kg/sqft Lowest 3%	1,845 tons Lowest 43%
131 S Dearborn 3 131 S Dearborn	Financial Office	4.3 kg/sqft Lowest 3%	1,170 tons Lowest 12%
TransUnion LLC 555 W Adams St	Office	4.3 kg/sqft Lowest 3%	1,354 tons Lowest 22%
The Pavilion 5441 N East River Rd	Multifamily Housing	4.4 kg/sqft Lowest 4%	4,699 tons Highest 17%
Carl Sandburg Village Condo Association #2 1455 - 1460 N Sandburg Ter	Multifamily Housing	4.4 kg/sqft Lowest 4%	3,417 tons Highest 26%

Data Source: Chicago Energy Benchmarking Data