Tides Foundation
Private foundation CAEIN 51-0198509
Tides Foundation is a private foundation based in CA (EIN 51-0198509). Its most recent IRS Form 990-PF filing reports about $382M in grants paid across 2,110 awards in 2024. Its largest giving areas are Education, Environment, Community Development. This profile is built from public 990-PF giving history — it reflects what the funder has actually funded, not an open call for proposals.
Funding capacity & financials (FY2024)
From Tides Foundation's IRS Form 990. Assets show capacity; the giving rate shows how actively they deploy it (a private foundation must pay out ~5%/yr) — useful for sizing your ask.
Leadership & board
Officers, directors & key staff from Tides Foundation's IRS Form 990 (Part VII).
Who does the Tides Foundation fund?
The Tides Foundation is a private foundation that awards grants nationally (and, in some cases, internationally). According to its most recent IRS Form 990-PF filing (FY2024), it paid about $382M across 2,110 grants, concentrated in Education, Environment, Community Development and Human Services.
What types of organizations does the Tides Foundation fund?
The Tides Foundation's recent grants went to nonprofits and institutions working in Education, Environment, Community Development and Human Services. Recent recipients include Tides Advocacy, Tides Advocacy, Working Families Organization INC. Because giving is reported in aggregate on the 990-PF, the best signal of fit is the funder's giving history below.
How much does the Tides Foundation give, and what is a typical grant?
In FY2024, the Tides Foundation awarded about $382M across 2,110 grants — an average grant of about $181K and a median of about $50K.
Where does the Tides Foundation award grants?
The Tides Foundation awards grants nationally (and, in some cases, internationally), based on the locations of the recipient organizations in its 990-PF giving records.
Does the Tides Foundation accept unsolicited grant applications?
Like most private foundations, the Tides Foundation generally does not publish an open application cycle — many fund by invitation or through existing relationships. This profile reflects the funder's giving history from public IRS Form 990-PF filings, not an open call for proposals. Always confirm the Tides Foundation's current guidelines before reaching out.
Who are recent Tides Foundation grant recipients?
Recent Tides Foundation grant recipients include Tides Advocacy ($29M); Tides Advocacy ($28M); Working Families Organization INC ($25M); Tides Advocacy ($24M); State Democracy Project ($20M); Asia Foundation ($17M). The full recipient list and giving history are available on GrantSonar.
Example Tides Foundation grant recipients
A sample from the funder's 990-PF giving records. The full list is on GrantSonar.
| Tides AdvocacyCA | $29M |
| Tides AdvocacyCA | $28M |
| Working Families Organization INCNY | $25M |
| Tides AdvocacyCA | $24M |
| State Democracy ProjectNY | $20M |
| Asia FoundationCA | $17M |
| Tides CenterCA | $11M |
| Opportunity Finance NetworkDC | $11M |
Based on the Tides Foundation's public IRS Form 990-PF filings (most recent: FY2024). 990 data reflects giving history and typically lags 1–2 years; it is not an open call for proposals. Always confirm the funder's current guidelines before applying.
Built from 236,000+ U.S. grantmaking foundations and 4.6 million itemized grant records in public IRS Form 990 / 990-PF filings (135,000+ funders with itemized giving history).
See if the Tides Foundation fits your organization
GrantSonar shows the full recipient list, your org-specific fit, similar funders, and the open grants you're actually eligible for.