Biggest building emitters in Philadelphia
Top 100 by reported greenhouse-gas emissions under Phila. Code §9-3402 / Building Energy Performance Program, latest disclosure year per building. Philadelphia's Building Energy Performance Program requires buildings over 50,000 sq ft to benchmark and complete tune-ups, with fines for failure to report.
Top 100 by reported emissions
| # | Building | City | Emissions | Score | Floor area |
|---|---|---|---|---|---|
| 1 | Milrose Roosevelt LLC | Philadelphia | 396,491 tCO₂e | D1 | 59,481 sq ft |
| 2 | L3Harris Technologies | Philadelphia | 318,869 tCO₂e | –— | 249,262 sq ft |
| 3 | University of Pennsylvania | Philadelphia | 197,016 tCO₂e | –— | — |
| 4 | Fishers Crossing Rlty LP | Philadelphia | 194,243 tCO₂e | D1 | 76,728 sq ft |
| 5 | 23 A Condominium | Philadelphia | 125,614 tCO₂e | D1 | 1,363 sq ft |
| 6 | The Children's Hospital fo Philadelphia | Philadelphia | 94,758 tCO₂e | –— | — |
| 7 | Main Airport Terminal Complex | Philadelphia | 57,130 tCO₂e | –— | — |
| 8 | The Radian (10390) | Philadelphia | 43,832 tCO₂e | D1 | — |
| 9 | 401 North Broad Lessee LLC | Philadelphia | 36,769 tCO₂e | –— | 1,296,804 sq ft |
| 10 | HUP West | Philadelphia | 33,685 tCO₂e | D22 | — |
| 11 | Perelman Center for Advanced Medicine | Philadelphia | 33,278 tCO₂e | –— | — |
| 12 | Joseph Trout | Philadelphia | 21,866 tCO₂e | A100 | 1,201 sq ft |
| 13 | Clifton Center | Philadelphia | 21,341 tCO₂e | C59 | — |
| 14 | Philadelphia | Philadelphia | 20,430 tCO₂e | D53 | 1,762,546 sq ft |
| 15 | Philadelphia VA Medical Center | Philadelphia | 20,079 tCO₂e | D9 | 1,496,149 sq ft |
| 16 | TUH Superblock | Philadelphia | 19,914 tCO₂e | D29 | — |
| 17 | Pennsylvania Hospital | Philadelphia | 19,393 tCO₂e | D19 | — |
| 18 | Southwest WPCP | Philadelphia | 19,174 tCO₂e | D1 | — |
| 19 | Medical Education and Research Building (MERB) | Philadelphia | 18,184 tCO₂e | –— | — |
| 20 | Einstein Medical Center Philadelphia | Philadelphia | 17,044 tCO₂e | B80 | — |
| 21 | Fox Chase Cancer Center | Philadelphia | 16,359 tCO₂e | –— | — |
| 22 | Gibbon Building | Philadelphia | 15,915 tCO₂e | D30 | 778,752 sq ft |
| 23 | Dietz& Watson | Philadelphia | 15,332 tCO₂e | –— | 470,871 sq ft |
| 24 | 1500 Spring Garden | Philadelphia | 14,975 tCO₂e | D30 | — |
| 25 | pen03067 1800 Arch Street | Philadelphia | 14,680 tCO₂e | C60 | 1,576,517 sq ft |
| 26 | Penn Presbyterian Medical Center | Philadelphia | 14,247 tCO₂e | C56 | — |
| 27 | Jeanes Hospital | Philadelphia | 13,396 tCO₂e | D1 | — |
| 28 | Rock, Ancillary Building, Park Ave Pavilion | Philadelphia | 12,913 tCO₂e | –— | — |
| 29 | Northeast WPCP | Philadelphia | 12,865 tCO₂e | C66 | 9,300 sq ft |
| 30 | Four Penn Center | Philadelphia | 12,327 tCO₂e | B78 | — |
| 31 | Comcast Technology Center | Philadelphia | 12,005 tCO₂e | B76 | — |
| 32 | SERC, Engineering, Gladfelter, Mazur/Anderson | Philadelphia | 11,775 tCO₂e | –— | — |
| 33 | Art Museum Main Bldg & Perelman Bldg | Philadelphia | 11,367 tCO₂e | –— | — |
| 34 | Wells Fargo Center | Philadelphia | 11,240 tCO₂e | –— | 217,168 sq ft |
| 35 | Tyler School of Art | Philadelphia | 10,514 tCO₂e | –— | — |
| 36 | Philadelphia Marriott Downtown | Philadelphia | 10,098 tCO₂e | D43 | — |
| 37 | 33703-PHLDT-Philadelphia | Philadelphia | 9,832 tCO₂e | C55 | 1,294,004 sq ft |
| 38 | Citizens Bank Park [New] | Philadelphia | 9,721 tCO₂e | –— | 11,513 sq ft |
| 39 | 00999-URBN Home Office | Philadelphia | 9,621 tCO₂e | –— | — |
| 40 | Curtis Center | Philadelphia | 9,561 tCO₂e | D5 | — |
| 41 | PA0073 - MITSO | Philadelphia | 9,071 tCO₂e | –— | 369,737 sq ft |
| 42 | Franklin Institute | Philadelphia | 8,919 tCO₂e | –— | — |
| 43 | Ritz-Carlton Philadelphia | Philadelphia | 8,867 tCO₂e | D24 | — |
| 44 | Jefferson Alumni Hall | Philadelphia | 8,727 tCO₂e | –— | — |
| 45 | Wilson Park - Compliance | Philadelphia | 8,579 tCO₂e | D1 | 669,781 sq ft |
| 46 | Comcast Center | Philadelphia | 8,568 tCO₂e | B77 | — |
| 47 | Temple Episcopal Hospital | Philadelphia | 8,461 tCO₂e | D11 | 442,145 sq ft |
| 48 | St. Christophers Hospital for Children | Philadelphia | 8,395 tCO₂e | C67 | — |
| 49 | Aggregate Excluding MV | Philadelphia | 8,356 tCO₂e | –— | 981,145 sq ft |
| 50 | Centre Square - 1500 Market Street | Philadelphia | 8,202 tCO₂e | C69 | — |
| 51 | SEPTA Headquarters | Philadelphia | 7,548 tCO₂e | D45 | — |
| 52 | 03-1-Philadelphia Head Office | Philadelphia | 7,435 tCO₂e | D18 | 816,208 sq ft |
| 53 | 140399 Plaza | Philadelphia | 7,226 tCO₂e | D29 | 470,615 sq ft |
| 54 | Torresdale Hospital | Philadelphia | 7,142 tCO₂e | A89 | — |
| 55 | Aggregate Excluding MV | Philadelphia | 6,868 tCO₂e | –— | — |
| 56 | Chestnut Hill Hospital | Philadelphia | 6,856 tCO₂e | D40 | — |
| 57 | Cira Square | Philadelphia | 6,698 tCO₂e | B74 | 1,076,400 sq ft |
| 58 | Philadelphia College of Osteopathic Medicine | Philadelphia | 6,688 tCO₂e | –— | 409,268 sq ft |
| 59 | The Wistar Institute | Philadelphia | 6,483 tCO₂e | –— | 255,427 sq ft |
| 60 | SugarHouse Casino | Philadelphia | 6,477 tCO₂e | –— | — |
| 61 | 3675 Market Street | Philadelphia | 6,358 tCO₂e | –— | — |
| 62 | Southeast WPCP | Philadelphia | 6,345 tCO₂e | C55 | — |
| 63 | Honickman Center | Philadelphia | 6,329 tCO₂e | –— | — |
| 64 | Sansom Common | Philadelphia | 6,310 tCO₂e | D1 | — |
| 65 | PA Convention Center Annex | Philadelphia | 6,244 tCO₂e | –— | — |
| 66 | Curran Fromhold Correctional Facility | Philadelphia | 6,131 tCO₂e | –— | — |
| 67 | The Bellevue | Philadelphia | 6,074 tCO₂e | –— | 634,329 sq ft |
| 68 | The Wanamaker Building | Philadelphia | 5,927 tCO₂e | B74 | 1,387,438 sq ft |
| 69 | Temple Episcopal Hospital | Philadelphia | 5,872 tCO₂e | C67 | 399,596 sq ft |
| 70 | 1835 Market Street | Philadelphia | 5,770 tCO₂e | D54 | 686,503 sq ft |
| 71 | CO/VZT/900 RACE ST/PHILADELPHIA/PA | Philadelphia | 5,699 tCO₂e | –— | — |
| 72 | Urban Outfitters, Inc. - Building #003, 007, 012, 015, 025, 543 | Philadelphia | 5,694 tCO₂e | D2 | — |
| 73 | Public Services Buildings | Philadelphia | 5,665 tCO₂e | –— | — |
| 74 | TRL 31st Street | Philadelphia | 5,606 tCO₂e | –— | — |
| 75 | Admin - Education Center | Philadelphia | 5,554 tCO₂e | D52 | 166,950 sq ft |
| 76 | Bluemle Life Science Building | Philadelphia | 5,529 tCO₂e | –— | — |
| 77 | Methodist Hospital | Philadelphia | 5,521 tCO₂e | C61 | — |
| 78 | 1735 MARKET STREET - OFFICE, Site # 602850 | Philadelphia | 5,475 tCO₂e | B76 | — |
| 79 | Philadelphia College of Osteopathic Medicine - 9-7-2024 Version | Philadelphia | 5,438 tCO₂e | –— | — |
| 80 | 3601 Spruce Street | Philadelphia | 5,437 tCO₂e | –— | — |
| 81 | Sheraton Philadelphia Downtown | Philadelphia | 5,419 tCO₂e | C65 | — |
| 82 | 5,6,12,53,58,61-Quad Buildings | Philadelphia | 5,412 tCO₂e | –— | — |
| 83 | Morgan Hall | Philadelphia | 5,405 tCO₂e | D31 | — |
| 84 | CurtisMainThompson | Philadelphia | 5,377 tCO₂e | A88 | — |
| 85 | Three Logan Square | Philadelphia | 5,298 tCO₂e | B76 | — |
| 86 | Two Liberty Place | Philadelphia | 5,258 tCO₂e | B73 | 1,326,800 sq ft |
| 87 | 2000 Market Street | Philadelphia | 5,249 tCO₂e | D46 | — |
| 88 | One Liberty Place | Philadelphia | 5,183 tCO₂e | B79 | — |
| 89 | One Commerce Square | Philadelphia | 5,150 tCO₂e | C67 | — |
| 90 | JHN Building | Philadelphia | 5,079 tCO₂e | D33 | — |
| 91 | 2400 Market VII LP | Philadelphia | 5,044 tCO₂e | B79 | — |
| 92 | Biology-Life Sciences | Philadelphia | 5,034 tCO₂e | –— | — |
| 93 | Two Liberty Place (BP) | Philadelphia | 5,026 tCO₂e | B76 | — |
| 94 | HUP Cedar | Philadelphia | 5,016 tCO₂e | A88 | — |
| 95 | Dental School (Original) | Philadelphia | 4,796 tCO₂e | –— | — |
| 96 | 140399_Plaza | Philadelphia | 4,796 tCO₂e | D11 | — |
| 97 | Criminal Justice Center (CJC) | Philadelphia | 4,762 tCO₂e | D28 | 49,851 sq ft |
| 98 | Marshalls Philadelphia DC | Philadelphia | 4,706 tCO₂e | D8 | 1,436,000 sq ft |
| 99 | (PA2473) - Rittenhouse Condo & Hotel (210 W Rittenhouse Sq) | Philadelphia | 4,703 tCO₂e | D1 | — |
| 100 | 1818 Market Street | Philadelphia | 4,591 tCO₂e | B74 | — |
Frequently asked questions
Which Philadelphia building emits the most carbon?
Milrose Roosevelt LLC reported 396,491 tCO₂e in its latest Phila. Code §9-3402 / Building Energy Performance Program disclosure — the highest in Philadelphia. Philadelphia's Building Energy Performance Program requires buildings over 50,000 sq ft to benchmark and complete tune-ups, with fines for failure to report.
Dataset updated . Source: Building Energy Benchmarking public disclosure.