Mark H and Blanche M Harrington Foundation
Historical FunderOntario, California · EIN 95-6025594 · Private foundation
Grants paid (2025)$1.2M
Organizations funded84
Typical grant$8,000
Total assets$28.2M
Half of its grants to organizations were between $4,000 and $15,000.
From the return
How to apply
The foundation filed the following application information (Form 990-PF Part XV, tax year 2025):
| Contact | CITIZENS BUSINESS BANK TRUSTEE |
|---|---|
| Address | PO BOX 2549, RANCHO CUCAMONGA CA 91729 |
| Phone | 6264058335 |
| Form and materials | SEND LETTER IDENTIFYING CHARITABLE PURPOSE AND PROPOSED USE OF FUNDS. |
| Deadlines | NONE |
| Restrictions | NONE |
Copied as filed. Deadlines on a tax return describe the foundation's usual process; they are not confirmation of a current open cycle.
What it funds
Share of grant lines on the latest return, classified from the purpose each grant states.
Where it gives
53% of grants went outside California.
Grants paid in tax year 2025
| Recipient | Location | Purpose | Amount |
|---|---|---|---|
| Seattle Childrens Hospital Foundation | Seattle, WA | General use | $269,000 |
| Center for American Liberty | Pittsburgh, PA | General use | $75,000 |
| Christian Legal Society | Mclean, VA | General use | $50,000 |
| Western Foundation Western Washington University | Bellingham, WA | General use | $45,000 |
| Grace Fellowiship Church of Costa Mesa | Costa Mesa, CA | General use | $45,000 |
| Serve to Lead | Asheville, NC | General use | $40,000 |
| Family Research Council | Holland, MI | General use | $32,500 |
| The Nixon Foundation | Yorba Linda, CA | General use | $30,000 |
| American Center for Law and Justice | Washington, DC | General use | $30,000 |
| Olive Crest Child Care Services | Santa Ana, CA | General use | $30,000 |
| Univ of Southern California Advancement Gift Services | Los Angeles, CA | General | $25,000 |
| CrossExamined Org | Charlotte, NC | General use | $20,000 |
| Young America's Foundation | Reston, VA | General use | $20,000 |
| Prager University Foundation | Sherman Oaks, CA | General use | $20,000 |
| Childrens Hospital Foundation | Seattle, WA | General use | $20,000 |
| Voice of the Martyrs | Bartleville, OK | General use | $20,000 |
| Informed Consent Action Network | Houston, TX | General use | $20,000 |
| Sherman Library and Gardens Fdn | Corona Del Mar, CA | General use | $20,000 |
| Gods World Publication | Asheville, NC | General use | $17,000 |
| Northlake Christian School | Covington, LA | General use | $15,000 |
| Turning Point USA | Phoenix, CA | General | $15,000 |
| National Ability Center | Park City, UT | Charitable donation | $15,000 |
| Asheville Bridge Church | Asheville, NC | General use | $12,500 |
| Alternatives Pregnancy Center | Sacramento, CA | General | $12,500 |
| Table for 10 Inc | Aliso Viejo, CA | General use | $12,000 |
| Stephen Siller Tunnel to Towers | Staten Island, NY | General | $10,000 |
| Childrens Health Defense | Franklin Lakes, NJ | General | $10,000 |
| Pennies in Action Foundation | Aston, PA | General use | $10,000 |
| Red Bucket Equine Rescue | Chino Hills, CA | General | $10,000 |
| Bible Seminary | Katy, TX | General use | $10,000 |
| Crystal Cove Conservancy | Newport Coast, CA | General use | $10,000 |
| National Parks Foundation | Baltimore, MD | General use | $10,000 |
| The Taubman Museum of Art | Roanoke, VA | General use | $10,000 |
| JAARS Inc | Waxhaw, NC | General use | $10,000 |
| Compassion Christian Church | Savannah, GA | General | $10,000 |
| Kidworks Community Development | Santa Ana, CA | General | $10,000 |
| Ronald Reagan Presidential Fdn | Simi Valley, CA | General use | $10,000 |
| Come and See Foundation Inc | Colorado Springs, CO | General use | $10,000 |
| St Monica Catholic Church | Mercer Island, WA | General use | $10,000 |
| Egyptian Theater-Park City Performances | Park City, UT | General use | $10,000 |
| Pacific Marine Mammal Center | Laguna Beach, CA | General use | $10,000 |
| Holy Trinity Catholic Church | Honolulu, HI | General use | $10,000 |
| California Highway Patrol 11-99 Foundation | Costa Mesa, CA | General | $8,000 |
| Saint Augustine Church | Honolulu, HI | General use | $7,500 |
| Nations of Coaches Inc | Decatur, AL | General use | $6,000 |
| Discovery Institute | Seattle, WA | General use | $6,000 |
| Newport Beach 1st Battalion 1st Marines Foundation | Newport Beach, CA | General use | $5,000 |
| Ocean Institute | Dana Point, CA | General use | $5,000 |
| Intervarsity Christian Fellowship - USA | Madison, WI | General use | $5,000 |
| Conservative Baptist Foreign Mission Soc | Englewood, CO | General use | $5,000 |
| Life Legal Defense | Napa, CA | General use | $5,000 |
| Hitching Post Ministries | Lake Elsinore, CA | General use | $5,000 |
| Mercer Island School Drama Booster | Mercer Island, WA | General use | $5,000 |
| Mccullough Foundation | Dallas, TX | General use | $5,000 |
| Holy Names Academy | Seattle, WA | General use | $5,000 |
| Seattle Symphony Orchestra | Seattle, WA | General use | $5,000 |
| Victory Christian School Association | Carmichael, CA | General use | $5,000 |
| California State Parks Foundation | San Francisco, CA | General use | $5,000 |
| Childhelp for Child Abuse | Newport Beach, CA | General use | $5,000 |
| Northrise University Initiative | Scottsdale, AZ | General use | $5,000 |
Showing the 60 largest of 84 grants to organizations.
Giving by year
| Tax year | Grants paid | Grant lines |
|---|---|---|
| 2025 | $1,242,000 | 84 |
| 2024 | $1,127,652 | 73 |
| 2023 | $1,006,800 | 75 |
Sources
- IRS Form 990-PF, tax year 2025, filed May 6, 2026 - IRS e-file batch, object ID 202621269349103312
- IRS Tax Exempt Organization Search for EIN 95-6025594
- Profile updated Nov 5, 2026
Facts on this page come from the foundation's own IRS Form 990-PF filings as published by the IRS. Grantvello does not know whether a foundation is accepting proposals right now: a past grant is not an open opportunity. Always confirm current guidelines with the funder before applying.