Foundations that fund organizations in Castle Rock, Washington
Worked out from where the grants went, not where the foundations sit.
Funding landscape for Castle Rock nonprofits
6 private foundations gave $26K to Castle Rock organizations in their latest filings; 2 of the 6 that say either way accept applications.
7 grants in total, with a typical foundation's median grant to Castle Rock around $2,000. 2 of these funders are based in Washington; the rest give here from elsewhere.
- Foundations giving here
- 6
- Accept applications
- 2
- of 6 that state a policy
- Dollars to Castle Rock
- $26K
- latest filings
- Grants
- 7
- Typical median grant
- $2,000
- Based in WA
- 33%
- of funders listed
Funders, by dollars given to Castle Rock organizations
| Foundation | Based in | Grants here | Dollars here | Median | Accepts applications | Typical purposes |
|---|---|---|---|---|---|---|
| The Honorable Frank L & Arlene G Price Foundation | Vancouver, WA | 1 | $20K | $20K | Yes | Health |
| Wolf Family Charitable Foundation | Portland, OR | 1 | $2,000 | $2,000 | Preselected only | Donation to general fund |
| Tennant Foundation | Portland, OR | 1 | $2,000 | $2,000 | Preselected only | Support |
| Edward Jones Foundation | St Louis, MO | 2 | $1,000 | $500 | Preselected only | Educational institutions and related activities; Community improvement, capacity building |
| Mock Foundation | Oklahoma City, OK | 1 | $300 | $300 | Preselected only | General |
| Peakcu Foundation | Olympia, WA | 1 | $200 | $200 | Yes | Classroom cash grant |
Source: IRS Form 990-PF Part XV, latest electronic return per foundation (2026-10-28). "Accepts applications" reflects the foundation's own checkbox on Part XV line 2. Grants to individuals excluded.
Common questions
Which foundations give to nonprofits in Castle Rock, Washington?
The Honorable Frank L & Arlene G Price Foundation, Wolf Family Charitable Foundation, Tennant Foundation, Edward Jones Foundation, Mock Foundation and 1 others reported grants to Castle Rock organizations on their latest Form 990-PF.
How do I approach a foundation that doesn't accept applications?
A foundation that checks "contributes only to preselected organizations" on its 990-PF won't review a cold proposal. Look at who it funds, find a shared board member, grantee or advisor, and ask for an introduction. Foundations that accept applications usually list a contact and deadlines in Part XV; we show that text on each foundation's page.
Is this list complete?
No. It covers private foundations (Form 990-PF filers) whose latest electronic return lists at least one grant to an organization in Castle Rock. Community foundations and corporate giving programs file different forms and are not included yet.