BuildingCensus

Biggest building emitters in Honolulu

Top 100 by reported greenhouse-gas emissions under Ordinance 22-17 (City & County of Honolulu), latest disclosure year per building. Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.

Top 100 by reported emissions

#BuildingCityEmissionsScoreFloor area
1Ala Moana CenterHonolulu44,658 tCO₂e–—1,838,144 sq ft
2Hilton Hawaiian Village Waikiki Beach Resort (Hnlhv)Honolulu32,183 tCO₂e–—3,291,500 sq ft
3Queens Medical Center Mana Mana CampusHonolulu29,441 tCO₂e–—1,700,000 sq ft
4Pearlridge CenterHonolulu20,744 tCO₂e–—1,510,121 sq ft
5Aulani Disney ResortHonolulu18,869 tCO₂e–—1,216,127 sq ft
6Sheraton WaikikiHonolulu18,257 tCO₂e–—2,109,233 sq ft
7Kapiolani Medical Center For Women & ChildrenHonolulu12,049 tCO₂e–—509,329 sq ft
8Marriott Ko Olina Beach Club-Kona TowerHonolulu10,925 tCO₂e–—1,062,039 sq ft
9Bishop SquareHonolulu10,514 tCO₂e–—1,030,993 sq ft
10Royal Hawaiian CenterHonolulu9,947 tCO₂e–—451,812 sq ft
11Hyatt Regency Waikiki Resort And SpaHonolulu9,566 tCO₂e–—1,094,650 sq ft
12International Market PlaceHonolulu9,353 tCO₂e–—297,456 sq ft
13Straub Hospital And ClinicHonolulu8,955 tCO₂e–—275,085 sq ft
14Airport Industrial ParkHonolulu8,789 tCO₂e–—845,759 sq ft
15Byu Hawaii CampusHonolulu8,494 tCO₂e–—1,046,542 sq ft
16Ala Moana HotelHonolulu8,389 tCO₂e–—798,171 sq ft
17Alakea MainHonolulu8,311 tCO₂e–—467,105 sq ft
18Kamehameha Schools Kapālama CampusHonolulu8,308 tCO₂e–—1,205,172 sq ft
19Windward Mall (Wwm) CredHonolulu7,611 tCO₂e–—643,920 sq ft
20Ball Metal Beverage Container KapoleiHonolulu7,597 tCO₂e–—140,937 sq ft
21Pearl Highlands CenterHonolulu7,520 tCO₂e–—411,400 sq ft
22Four Seasons Resort O'Ahu At Ko OlinaHonolulu7,470 tCO₂e–—714,000 sq ft
23The Ritz-Carlton Residences, Waikiki BeachHonolulu7,014 tCO₂e–—494,108 sq ft
24Ilikai ApartmentsHonolulu6,983 tCO₂e–—843,302 sq ft
25Adventist-Ahcs-640 Ulukahiki StHonolulu6,857 tCO₂eA85191,394 sq ft
26Pali Momi Medical CenterHonolulu6,833 tCO₂e–—266,811 sq ft
2701-3478 And 18-4755Honolulu6,686 tCO₂e–—313,748 sq ft
28Turtle Bay ResortHonolulu6,553 tCO₂eB74444,865 sq ft
29Sheraton Princess KaiulaniHonolulu6,536 tCO₂e–—711,822 sq ft
30Prince WaikikiHonolulu6,478 tCO₂e–—494,553 sq ft
31Kahala Mall Shopping CenterHonolulu6,160 tCO₂e–—415,000 sq ft
32Alohilani Resort WaikikiHonolulu6,144 tCO₂e–—525,250 sq ft
33The Dole CanneryHonolulu6,070 tCO₂e–—558,005 sq ft
34Punahou SchoolHonolulu5,774 tCO₂e–—928,058 sq ft
35Moana SurfriderHonolulu5,745 tCO₂e–—605,465 sq ft
36The Kahala Hotel & ResortHonolulu5,686 tCO₂e–—351,687 sq ft
37Moana PacificHonolulu5,648 tCO₂eA98763,892 sq ft
38HalekulaniHonolulu5,567 tCO₂eC59525,689 sq ft
39First Hawaiian CenterHonolulu5,375 tCO₂eB72418,000 sq ft
401132 BishopHonolulu5,326 tCO₂e–—502,625 sq ft
41Pacific Guardian CenterHonolulu5,138 tCO₂e–—666,684 sq ft
42Outrigger Waikiki Beach ResortHonolulu5,067 tCO₂e–—388,800 sq ft
43AnahaHonolulu5,043 tCO₂eD12467,513 sq ft
44Ko Olani AOAOHonolulu4,998 tCO₂e–—481,400 sq ft
45Beach Villas At Koolina AoaoHonolulu4,838 tCO₂e–—578,171 sq ft
46Costco IwileiHonolulu4,761 tCO₂e–—152,304 sq ft
471001 QueenHonolulu4,426 tCO₂e–—618,019 sq ft
48Pearl City Shopping CenterHonolulu4,375 tCO₂e–—259,910 sq ft
49Pacifica HonoluluHonolulu4,331 tCO₂e–—430,200 sq ft
50Hokua 1288 Ala MoanaHonolulu4,225 tCO₂e–—702,920 sq ft
51Association Of Apartment Owners Of Discovery BayHonolulu4,128 tCO₂e–—624,294 sq ft
52Waikiki BanyanHonolulu4,064 tCO₂e–—778,010 sq ft
53Harbor CourtHonolulu4,057 tCO₂e–—441,699 sq ft
54Hilton Waikiki Beach HotelHonolulu4,032 tCO₂e–—477,900 sq ft
55Laulani Village CampusHonolulu4,031 tCO₂e–—175,800 sq ft
56AOUO KoulaHonolulu4,020 tCO₂e–—742,787 sq ft
57Kukui PlazaHonolulu4,001 tCO₂e–—711,402 sq ft
58Kamehameha Shopping CenterHonolulu3,996 tCO₂e–—109,908 sq ft
59Kaneohe Bay Shopping Center CampusHonolulu3,975 tCO₂e–—125,400 sq ft
60200 Akamainui St.Honolulu3,907 tCO₂e–—56,741 sq ft
61Waikiki Shopping PlazaHonolulu3,885 tCO₂e–—363,792 sq ft
62Symphony Honolulu AOUOHonolulu3,752 tCO₂e–—499,087 sq ft
63Waikiki Beachcomber By OutriggerHonolulu3,745 tCO₂e–—323,012 sq ft
64Ward Entertainment CenterHonolulu3,729 tCO₂e–—152,442 sq ft
65Hilary BenefielHonolulu3,697 tCO₂eA93679,536 sq ft
66Costco Hawaii KaiHonolulu3,664 tCO₂e–—146,567 sq ft
67The CollectionHonolulu3,559 tCO₂e–—392,966 sq ft
68AOUO Yacht Harbor TowersHonolulu3,555 tCO₂e–—765,012 sq ft
69Financial Plaza Of The PacificHonolulu3,549 tCO₂e–—404,581 sq ft
70Aston Waikiki - Twin FinHonolulu3,509 tCO₂e–—289,524 sq ft
71Food Solutions InternationalHonolulu3,492 tCO₂e–—93,382 sq ft
72Costco KapoleiHonolulu3,477 tCO₂e–—160,750 sq ft
73Kahala Senior Living Community, Inc.Honolulu3,451 tCO₂e–—507,527 sq ft
74Aouo AaliiHonolulu3,448 tCO₂eA100791,894 sq ft
75Keola La'iHonolulu3,405 tCO₂e–—472,889 sq ft
76One Ala MoanaHonolulu3,396 tCO₂e–—452,690 sq ft
77Capitol PlaceHonolulu3,379 tCO₂e–—405,626 sq ft
78Don Quijote KahekaHonolulu3,365 tCO₂e–—112,155 sq ft
79The Villa On Eaton Square AOAOHonolulu3,272 tCO₂e–—290,565 sq ft
80Outrigger Reef Waikiki Beach ResortHonolulu3,245 tCO₂e–—512,909 sq ft
81Pacific Park Plaza High RiseHonolulu3,228 tCO₂eC63214,484 sq ft
82Nauru TowerHonolulu3,176 tCO₂e–—734,153 sq ft
83Costco #00485 WaipioHonolulu3,170 tCO₂e–—152,654 sq ft
84'Iolani SchoolHonolulu3,130 tCO₂e–—357,868 sq ft
85Hilton Ka La'i Waikiki BeachHonolulu3,117 tCO₂e–—581,097 sq ft
86Makaha Valley TowersHonolulu3,047 tCO₂e–—459,300 sq ft
87Iolani Court PlazaHonolulu3,032 tCO₂e–—320,483 sq ft
88Outrigger EastHonolulu3,032 tCO₂e–—264,846 sq ft
89WaieaHonolulu3,031 tCO₂e–—386,950 sq ft
90Keauhou PlaceHonolulu3,028 tCO₂e–—378,389 sq ft
91One Waterfront TowersHonolulu3,027 tCO₂e–—477,097 sq ft
92Azure Ala Moana AouoHonolulu2,906 tCO₂e–—356,732 sq ft
93Kapiolani ResidenceHonolulu2,884 tCO₂e–—643,500 sq ft
94Sysco HawaiiHonolulu2,879 tCO₂e–—262,873 sq ft
95Salt At Our KakaʻakoHonolulu2,863 tCO₂e–—134,440 sq ft
96Imperial Plaza AOAOHonolulu2,863 tCO₂e–—458,700 sq ft
97Wailana at WaikikiHonolulu2,846 tCO₂e–—270,428 sq ft
98Kapolei Hi HanuaHonolulu2,826 tCO₂e–—168,198 sq ft
99Bank Of Hawaii - Hale O KapoleiHonolulu2,813 tCO₂e–—208,386 sq ft
100Hawaiki TowerHonolulu2,808 tCO₂e–—660,547 sq ft

Frequently asked questions

Which Honolulu building emits the most carbon?

Ala Moana Center reported 44,658 tCO₂e in its latest Ordinance 22-17 (City & County of Honolulu) disclosure — the highest in Honolulu. Honolulu's Ordinance 22-17 requires commercial buildings over 25,000 sq ft on Oʻahu to benchmark annually, with public disclosure of results.

Dataset updated . Source: Better Buildings Benchmarking public disclosure.