Community Improvement & Capacity Building nonprofits in California
Community Improvement & Capacity Building nonprofits in California. Browse 10,217 public nonprofit profiles. Review organization identities, available filing years, and their complete CharitySense profiles.
Location refers to headquarters recorded in public sources, not an organization’s service area. Classification describes its reported category and does not assess its effectiveness.
Nonprofit profiles
- One World Institute
EIN 832248355 · Headquarters: Oakland, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2022 · Primary form: IRS Form 990-N
- Online Reputation Management Association
EIN 262498195 · Headquarters: Redwood City, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Onor Foundation Inc
EIN 991013859 · Headquarters: CLOVIS, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Ontario Community Center
EIN 815311195 · Headquarters: Ontario, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Ontario Hispanic Chamber of Commerce
EIN 330924071 · Headquarters: Ontario, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Onvif Inc
EIN 263412083 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Onyx Northwest Chapter
EIN 823941148 · Headquarters: San Francisco, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Open Architecture Collaborative Inc
EIN 811270707 · Headquarters: Oakland, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Open Atlas Inc
EIN 333502386 · Headquarters: SAN FRANCISCO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Authentication Technology Committee
EIN 274135000 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-EZ
- Open Finance Consortium Inc
EIN 994543838 · Headquarters: COVINA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Hands Bay Area
EIN 883936676 · Headquarters: East Palo Alto, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Open Heart Leaders
EIN 474787230 · Headquarters: La Mesa, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Identity Exchangeinc
EIN 010948527 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990
- Open Line Group Homes Inc
EIN 680217433 · Headquarters: Redding, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Mobile Alliance
EIN 812152343 · Headquarters: SAN DIEGO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990
- Open Mobile Alliance Ltd
EIN 770508309 · Headquarters: SAN DIEGO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990
- Open Ordinals Institute
EIN 932180973 · Headquarters: OAKLAND, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Open Security and Safety Alliance Inc
EIN 824947427 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Open Sustainability Collaborative Inc
EIN 931440848 · Headquarters: Sunnyvale, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open Systemc Initiative
EIN 770573444 · Headquarters: NAPA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990
- Open Travel Alliance Inc
EIN 522172598 · Headquarters: Oakland, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Open-source Print and Protect
EIN 851124312 · Headquarters: Stevenson Ranch, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Openadr Alliance
EIN 273289370 · Headquarters: San Ramon, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Openfabrics Inc
EIN 202146416 · Headquarters: PALO ALTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Openid Foundation
EIN 260447503 · Headquarters: SAN RAMON, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opening Doors Inc
EIN 371417129 · Headquarters: SACRAMENTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opening Minds and Hearts Inc
EIN 992856124 · Headquarters: Oakland, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Openvolunteer
EIN 331283834 · Headquarters: San Francisco, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Operating Engineers Certification Program Inc
EIN 263770896 · Headquarters: RIVERSIDE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operating Engineers Local Union No 3 Building Holding Association
EIN 943225362 · Headquarters: CONCORD, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Operation Konnection Inc
EIN 884044174 · Headquarters: COMPTON, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Operation Reboot
EIN 853743655 · Headquarters: PALO ALTO, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Operation Warm Wishes
EIN 475508965 · Headquarters: Tustin, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Opportunity Assistance & Socially
EIN 611467658 · Headquarters: Fresno, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-EZ
- Opportunity Foundation of Sonoma County
EIN 851171751 · Headquarters: SANTA ROSA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Optical Internetworking Forum
EIN 911897518 · Headquarters: Fremont, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Optimist International
EIN 946086315 · Headquarters: Santa Rosa, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Optimist International
EIN 946102784 · Headquarters: Fesno, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Optimist International
EIN 950950461 · Headquarters: Pomona, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International
EIN 956049639 · Headquarters: Oceanside, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Optimist International
EIN 956066694 · Headquarters: Ventura, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Optimist International of Point Loma The Optimist Club of Point Loma
EIN 956093619 · Headquarters: San Diego, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Optimum Leadership Consulting
EIN 452604802 · Headquarters: Pasadena, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Optusa Foundation
EIN 455392760 · Headquarters: Fremont, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Opulent Boss Beauties
EIN 853019482 · Headquarters: Riverside, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2023 · Primary form: IRS Form 990-N
- Opuruiche United USA Inc
EIN 471205386 · Headquarters: CARSON, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Ora a Floyd Foundation
EIN 952999836 · Headquarters: Hawthorne, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange Belt Board of Realtors
EIN 941611008 · Headquarters: VISALIA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Orange Charter Chapter of the American Business Womens Associati
EIN 900910117 · Headquarters: ANAHEIM, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Orange Club Toc
EIN 333701776 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orange Coast Association of Realtors Inc
EIN 951692490 · Headquarters: NEWPORT BEACH, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange Coast Moose Legion 203
EIN 953758842 · Headquarters: Placentia, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Orange County Airport Association
EIN 330283178 · Headquarters: Laguna Hills, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orange County American Italian Women
EIN 680412944 · Headquarters: SAN CLEMENTE, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Area Loans First Corporation
EIN 383720652 · Headquarters: San Bernardino, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2010 · Primary form: IRS Form 990-N
- Orange County Armenian Professional Society
EIN 330632225 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Association of Insurance & Financial Advisors Inc
EIN 956093623 · Headquarters: ALISO VIEJO, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-N
- Orange County Brewers Guild
EIN 474164978 · Headquarters: NEWPORT BEACH, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Business Group Inc
EIN 680676260 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990-N
- Orange County Chapter of the Association of Legal Administrators
EIN 330377902 · Headquarters: IRVINE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Chapter of the Federal Bar Association
EIN 201824723 · Headquarters: NEWPORT BEACH, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Chapter of the International Coach Federation
EIN 330951667 · Headquarters: North Tustin, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Orange County Chapter of the Risk and Insurance Management Society Inc
EIN 330792881 · Headquarters: TUSTIN, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-EZ
- Orange County Chapter of the Society for Design Administration
EIN 953816139 · Headquarters: Huntington Beach, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Communities Organized for Responsible Development
EIN 432092827 · Headquarters: SANTA ANA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County Compensation and Benefits Association
EIN 900425934 · Headquarters: BREA, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Orange County Concierge Association
EIN 320164151 · Headquarters: NEWPORT BEACH, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Orange County Congregation Community Organization
EIN 953196836 · Headquarters: ANAHEIM, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County District Attorney Investigators Association
EIN 300506111 · Headquarters: SANTA ANA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-EZ
- Orange County Equality Coalition
EIN 264140443 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990-N
- Orange County Fashion Association
EIN 273880575 · Headquarters: Garden Grove, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2015 · Primary form: IRS Form 990-N
- Orange County Federation of Business Leaders
EIN 825459251 · Headquarters: LA HABRA, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2019 · Primary form: IRS Form 990-N
- Orange County Financial Society
EIN 832556654 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990-N
- Orange County Homicide Investigators Association
EIN 471189985 · Headquarters: Anaheim, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Industry Liaison Group
EIN 460687591 · Headquarters: Tustin, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Interdenominational Alliance
EIN 463242664 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Jaycees Charitable Foundation
EIN 274643636 · Headquarters: Newport Beach, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2014 · Primary form: IRS Form 990-N
- Orange County Korean American Bar Association
EIN 203787053 · Headquarters: NEWPORT BEACH, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Lavender Bar Association
EIN 272818825 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orange County Mustang Club Inc
EIN 330834886 · Headquarters: Buena Park, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Nikkei Coordinating Council
EIN 330648653 · Headquarters: SANTA ANA, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-EZ
- Orange County Parks Foundation
EIN 800813815 · Headquarters: IRVINE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County Pharmacists Association
EIN 953600466 · Headquarters: Irvine, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Product Managers
EIN 452667967 · Headquarters: TUSTIN, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Recorder Society
EIN 273057938 · Headquarters: Los Alamitos, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange County Romance Writers
EIN 873261436 · Headquarters: BREA, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orange County Shared Spaces Foundation
EIN 262690961 · Headquarters: IRVINE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County Technology Action Network
EIN 043723991 · Headquarters: NEWPORT BEACH, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orange County Transportation Coalition
EIN 953547255 · Headquarters: Newport Beach, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2007 · Primary form: IRS Form 990-N
- Orange County Visitors Association
EIN 330872097 · Headquarters: IRVINE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2020 · Primary form: IRS Form 990
- Orange County Welfare Coalition Inc C/o Donna L Orgeron
EIN 953320209 · Headquarters: IRVINE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2017 · Primary form: IRS Form 990-EZ
- Orange Cove Area Chamber of Commerce
EIN 770109248 · Headquarters: Orange Cove, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2013 · Primary form: IRS Form 990-N
- Orange Cove Womens Club
EIN 237090066 · Headquarters: Orange Cove, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2018 · Primary form: IRS Form 990-N
- Orange Empire Cpcu Society Chapter
EIN 472103087 · Headquarters: Santa Ana, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orange Empire Smacna Inc
EIN 959635622 · Headquarters: SANTA FE SPRINGS, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2016 · Primary form: IRS Form 990
- Orange Heart Foundation
EIN 810909762 · Headquarters: WASCO, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2025 · Primary form: IRS Form 990-N
- Orangegate Community Foundation
EIN 330643141 · Headquarters: Cedarville, CA, US · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990-N
- Orchid Capital Collective
EIN 933768522 · Headquarters: Sacramento, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2024 · Primary form: IRS Form 990
- Orcolec Inc
EIN 956047627 · Headquarters: ORANGE, CA, USA · Community Improvement & Capacity Building · Latest available filing year: 2011 · Primary form: IRS Form 990