Nonprofits in Hawaii
9,679 organizations in the IRS master file with a Hawaii address, listed A to Z by name.
Public IRS records only
This list comes from the IRS master file, which anyone can download from irs.gov. Nothing on it comes from Fast File Exempt accounts or filings. We run this lookup; it isn’t an IRS service. About this data
All organizations, page 1 of 194
IRS master file dated October 13, 2026; loaded here on October 26, 2026.
0–9
- 10 TO 1 FOUNDATIONEIN 88-1414624HONOLULU501(c)(3)
- 100 TH INFANTRY BATTALION VETERANSEIN 99-0064330HONOLULU501(c)(4)
- 100 WOMEN WHO CARE MAUIEIN 33-3911673PUKALANI501(c)(3)
- 1000 FRIENDS OF KAUAIEIN 99-0199096KILAUEA501(c)(3)
- 100TH INFANTRY BATTALION LEGACY ORGANIZATIONEIN 99-0296675AIEA501(c)(3)
- 111 HAWAII AWARD ASSOCIATIONEIN 82-3657326HONOLULU501(c)(6)
- 12 NOON BALLROOM DANCE CLUBEIN 74-3164943HONOLULU501(c)(7)
- 12 STEP OHANA CLUB OF KONA INCEIN 92-3807884KAILUA KONA501(c)(3)
- 1234 HOME READING HELPER INCEIN 99-3892604WAILUKU501(c)(3)
- 154 CES BOOSTER CLUBEIN 41-2559537JBPHH501(c)(3)
- 154 CS BOOSTER CLUBEIN 39-3595723JBPHH501(c)(3)
- 1HUI ATHLETES UNITED INC1HUI VOLLEYBALL CLUBEIN 41-3550405PEARL CITY501(c)(3)
- 2 WALK ON WATEREIN 92-1647404WAIANAE501(c)(3)
- 200 CLUBEIN 99-0119522AIEA501(c)(3)
- 2010 HONOLULU BULLS SOCCER CLUB TEAMEIN 88-1776144HONOLULU501(c)(3)
- 2015 BVB BOOSTER CLUBEIN 32-0847015KALAHEO501(c)(3)
- 2050 HAWAII INCEIN 83-4475370KAPOLEI501(c)(3)
- 3 G INTERNATIONAL INCEIN 20-3445961AIEA501(c)(3)
- 3 POCEIN 93-2363800HONOLULU501(c)(3)
- 329ISLANDTOURSEIN 85-0567713HONOLULU501(c)(3)
- 365 HAWAII ISLAND COMMUNITY FUNDEIN 93-2264584KAILUA KONA501(c)(4)
- 3T FOUNDATIONEIN 38-4264960NAALEHU501(c)(3)
- 4-H CLUBS & AFFILIATED 4-H ORGANIZATIONSMAUI COUNTY 4-H VOLUNTEER LEADERSEIN 26-1461300KAHULUI501(c)(3)
- 4-H CLUBS AND AFFILIATED 4-H ORGANIZATIONSGARDEN ISLAND 4-H RANCHERSEIN 30-0615603LIHUE501(c)(3)
- 4-H CLUBS & AFFILIATED 4-H ORGANIZATIONSMAUI 4-H LIVESTOCK ASSOCIATIONEIN 54-2158199KAHULUI501(c)(3)
- 4-H CLUBS & AFFILIATED 4-H ORGANIZATIONSOAHU COUNTY 4-H LIVESTOCK COMMITTEEEIN 87-0689632HONOLULU501(c)(3)
- 4-H CLUBS & AFFILIATED 4-H ORGANIZATIONSKAUAI 4-H LIVESTOCK COMMITTEEEIN 99-0225031LIHUE501(c)(3)
- 442ND LEGACY CENTEREIN 81-2642707HONOLULU501(c)(3)
- 442ND REGIMENTAL COMBAT TEAM FOUNDATIONEIN 99-0306670HONOLULU501(c)(3)
- 442ND VETERANS CLUBEIN 99-0066971HONOLULU501(c)(4)
- 5 AND 2 CHRISTIAN CHARITABLE FOUNDATIONEIN 93-2471606HONOLULU501(c)(3)
- 569TH US ARMY DIVE DETACHMENT SOLDIER AND FAMILY READINESS GROUP569TH SFRGEIN 99-3958566JB PEARL HARBOR HICKAM501(c)(3)
- 62 MARKET STREET INCEIN 37-1549202WAILUKU501(c)(3)
- 647TH CIVIL ENGINEER SQUADRON BOOSTER CLUB647 CIVIL ENGINEER SQD BOOSTER CLUBEIN 46-4899086HONOLULU501(c)(3)
- 675 RETIREE CLUB OF HAWAIIEIN 41-2479609HONOLULU501(c)(7)
- 7 MOTHERS INCEIN 83-2148681KAPAAU501(c)(3)
- 735 OHANA WARRIORS INCEIN 33-1304401MILILANI501(c)(3)
- 747 BOOSTER CLUBEIN 92-0751585JBPHH501(c)(3)
- 792 ISS BOOSTER CLUBEIN 33-4861722JBPHH501(c)(3)
- 7MORE HAWAIIEIN 33-4193146WAHIAWA501(c)(3)
- 808 AFFORDABLE RENTALEIN 87-4689210HONOLULU501(c)(3)
- 808 ATHLETES FOUNDATIONEIN 93-3271404EWA BEACH501(c)(3)
- 808 ATHLETIC CLUBEIN 85-3592137WAIPAHU501(c)(3)
- 808 ATHLETICSEIN 92-2128173PUUNENE501(c)(3)
- 808 BOOSTER CLUBEIN 83-3511784KAHULUI501(c)(3)
- 808 CLEANUPSEIN 47-3528201HONOLULU501(c)(3)
- 808 DRIVEN ACADEMYEIN 99-2681885KEALAKEKUA501(c)(3)
- 808 DUCKS SPORTS INCEIN 33-4676450KAPOLEI501(c)(3)
- 808 DYNAMIX INCEIN 93-2955105HONOLULU501(c)(3)
- 808 FASTBREAK BASKETBALLEIN 92-2536132KAPOLEI501(c)(3)
Guides
- Form 990-N, 990-EZ or 990: which to fileThe three tests, what "normally $50,000" means, who must file Form 990 regardless, and who doesn't file at all.
- Form 990 for PTAs, PTOs and booster clubsWhether a unit under a state group exemption files its own return, which form, the July–June deadline, and the treasurer handover.
- Private foundation filing requirementsForm 990-PF, its deadline and extension, and the separate returns a foundation may owe.
- Who can file Form 990-NThe "normally $50,000 or less" test, what the e-Postcard asks for, and when it's due.
- Form 990-N filing problemsEIN not in IRS records, IRS sign-in, filing too early, late and prior-year notices, and checking a past filing.
- Form 990 filing deadlinesThe general due date for each tax-year end, and how weekends and holidays move it.
- Form 8868 extensionsWhen Form 8868 extends an annual return, and why tax is still due on the original date.
- Late filing penaltiesThe daily penalty for a late return, reasonable cause, and the three-year revocation rule.