Private Foundation Grants: How They Differ and How to Win Them

A nonprofit grants manager who treats every foundation the same — public charity, family foundation, corporate foundation, mega-foundation — produces a prospect list that’s mostly noise. Private foundations are a specific IRS category with specific rules, and those rules shape everything about how they grant: how much they distribute, who they grant to, whether they accept unsolicited proposals, what their giving cycles look like.

This guide explains how private foundations actually work, what their IRS filings tell you, and how to position your nonprofit to win their grants.

What Makes a Foundation “Private”

Under IRS classification, a 501(c)(3) is either a public charity or a private foundation. The difference is who funds it.

Public charities receive support from many public sources — government grants, individual donations, fundraising events. Most operating nonprofits are public charities. Community foundations are public charities. So are universities, hospitals, and most museums.

Private foundations are funded primarily by a single source — a family, individual, corporation, or small group of donors. They typically don’t fundraise from the public; they manage and distribute the original endowment plus investment returns.

Private foundations face additional IRS rules:

• 5% payout requirement under IRC §4942 — must distribute roughly 5% of net investment assets annually.
• Self-dealing prohibition under IRC §4941 — restrictions on transactions between the foundation and “disqualified persons” (family of the donor, board members, etc.).
• Excise tax on net investment income (currently 1.39% under IRC §4940 since the 2020 simplification).
• Limits on jeopardizing investments and excess business holdings — additional IRS scrutiny on investment behavior.
• Form 990-PF — annual filing with more detail than the public charity Form 990.

Some private foundations are “operating foundations” that primarily run programs themselves rather than grant. Most are “non-operating” — grantmaking foundations that distribute funds to other 501(c)(3)s.

The Subtypes That Matter for Fundraising

Private foundations are not monolithic. The subtypes operate differently.

Family foundations. Funded by a single family, often closely tied to the family’s values and connections. Many do not accept unsolicited proposals — grants go to organizations with family member relationships. Smaller foundations often have minimal staff (sometimes a single part-time administrator) and rely on family member judgment.

Independent foundations. Originally funded by a donor or family but governed independently by a professional board and staff. Larger foundations typically fall in this category — Ford, MacArthur, Mellon, Packard, Hewlett, Robert Wood Johnson. Most have public application processes.

Corporate foundations. Private foundations funded by a corporation (Walmart Foundation, Bank of America Foundation, Wells Fargo Foundation). File 990-PF. Corporate foundations are separate legal entities from the corporation, though their grantmaking often aligns with corporate interests.

Operating foundations. Run programs themselves rather than grant to others. Limited grantmaking. Different category from a fundraising perspective.

When a prospect list says “foundation,” ask which subtype. The strategy is different for each.

What the 990-PF Tells You

Form 990-PF is the most underused prospect research resource. Reading the most recent 990-PF of any foundation you intend to approach takes 30 minutes and produces information no database substitutes for.

Page 1 — basics. Foundation name, address, total assets, total contributions and grants paid in the year. The headline numbers anchor your sense of scale.

Part I — analysis of revenue and expenses. Investment income, expenses, grant disbursements. Confirms the foundation is actively granting at the level you assume.

Part X — minimum investment return. Net investment assets and the calculated 5% minimum distribution. Tells you the foundation’s required annual giving floor.

Part XII — qualifying distributions. Total distributions counted toward the 5% requirement. Tells you actual giving.

Part VIII — officers, directors, trustees. Names, addresses, compensation. The right person to address a letter to.

Part XV — supplementary information. Two critical sections:

• Line 2: Information regarding contribution, grant, gift, loan, scholarship, etc., programs. This is where the foundation discloses application requirements, deadlines, restrictions, and whether unsolicited proposals are accepted. Read every word.
• Line 3: Grants paid during the year. The full list of grants — recipient, amount, purpose. The single most useful prospect research data.

For more on cross-referencing 990-PF data with subscription tools, see Foundation Directory Online guide. For broader prospect research workflow, see how to find grants for nonprofits.

Whether a Foundation Will Even Consider You

Before drafting an application, confirm:

1. Geographic eligibility. Does the foundation grant in your service area? Some are explicit about geography in 990-PF Part XV; others reveal geography only through actual grant patterns. If 90% of recent grants went to organizations in one state and you are in another state, your application is unlikely to succeed.

2. Subject area alignment. Does the foundation grant in your program area? Cross-check stated priorities (Part XV) with actual grants (Part XV line 3). Sometimes priorities and patterns diverge — actual grants are the truer signal.

3. Grant size match. Does your ask fit the foundation’s typical range? A foundation giving $5,000 average grants will not fund your $200,000 program ask. A foundation giving $500,000 grants is unlikely to fund a $20,000 ask.

4. Eligibility criteria. Some foundations require specific applicant types (community-based organizations, member-led organizations, organizations of color, BIPOC-led organizations, organizations of a specific budget size). Read carefully.

5. Unsolicited proposal acceptance. Some foundations explicitly do not accept unsolicited proposals. Sending one anyway wastes your time and the foundation’s. Look for “by invitation only,” “we do not accept unsolicited applications,” or “applications are accepted only from prior grantees.”

If all five are favorable, proceed. If any are unfavorable, look elsewhere.

Application Norms

Private foundation applications vary widely. Some accept short letters of inquiry. Some require multi-section proposals. A few use online application portals. Many smaller family foundations require nothing more than a one-page letter.

Common components:

• Cover letter — 1 page, personal, references prior contact if any, states the request amount and purpose.
• Proposal narrative — 3–10 pages depending on foundation, covering need, project, evaluation, organization, sustainability.
• Budget — project budget and organizational budget.
• Attachments — 501(c)(3) determination letter, recent audited financials or 990, board list, project budget, organizational budget, list of current funders.

Letters of Inquiry (LOI). Many private foundations require an LOI before a full proposal. The LOI is a 1–3 page summary that the foundation uses to decide whether to invite a full application. Treat as a filter; most rejections happen here.

For drafting principles, see grant proposal writing guide. For annotated examples, see grant proposal examples annotated.

Cultivation: Why Most Foundation Grants Are Won Before the Proposal

The single biggest mistake nonprofits make with private foundations is treating the proposal as the work. The proposal is the documentation of an agreement that’s already taken shape through cultivation.

The cultivation pattern that works:

1. Initial research. Read the 990-PF, study recent grants, identify program officer.
2. First outreach. A short email or call introducing the organization, expressing interest, and asking whether the work is a fit. Not yet asking for money.
3. First conversation. A 20-minute call with a program officer. Ask about funder priorities, cycle, and whether the work is aligned. Listen more than you talk.
4. Site visit (when feasible). Many program officers will visit funded organizations. Site visits are higher-fidelity than calls.
5. LOI. When invited, submit a clear, specific LOI tailored to what the program officer has signaled the foundation will fund.
6. Full proposal. When invited, submit a proposal whose contents align with the LOI conversation.
7. Award. If awarded, immediate acknowledgment and detailed reporting plan.
8. Ongoing engagement. Mid-grant updates, year-end reports, invitation to events. The next grant is being earned.

This pattern doesn’t apply to all foundations. Smaller family foundations may have no program officer to cultivate; the application is the only contact. But for foundations with staff and processes, cultivation drives outcomes.

The Mega-Foundations and What They Want

A small set of national private foundations make multi-million-dollar grants and operate at a different scale than most fundraisers will encounter:

• Bill & Melinda Gates Foundation — global health, U.S. education, agricultural development, and others. By invitation, primarily.
• Ford Foundation — democracy, equity, and others. Mix of invitation and competitive.
• MacArthur Foundation — climate, criminal justice, journalism, others.
• Hewlett Foundation — environment, education, performing arts, others.
• David and Lucile Packard Foundation — children, family, communities, science, conservation.
• Robert Wood Johnson Foundation — health.
• Andrew W. Mellon Foundation — humanities, arts.
• Walton Family Foundation — education, environment, home region.

These foundations operate primarily through invitation — they identify the work and the organizations rather than waiting for applicants. For most mid-sized nonprofits, accessing this tier is unrealistic without an existing relationship or an intermediary.

Reporting and Stewardship Post-Grant

Private foundation reporting is typically:

• End-of-grant narrative report describing outcomes and use of funds.
• Financial expenditure report aligned to the original budget.
• Optional mid-grant update at six months for longer grants.

Reporting quality drives renewal more than original proposal quality. Foundations are looking for reliability — does this organization do what it said it would do, on the timeline it committed to, and report cleanly? Demonstrating yes earns the next grant.

Frequently Asked Questions

Are private foundation grants restricted? Almost always restricted to the proposed project. Track restriction carefully — see restricted fund accounting basics.

Can a private foundation give to a private foundation? Yes, but with restrictions. The foundation must exercise expenditure responsibility under IRS rules. Most private foundation grants flow to public charities for this reason.

What is “expenditure responsibility”? A specific IRS-mandated process when a private foundation grants to an entity that is not a public charity (e.g., a foreign organization, a non-501(c)(3), a different private foundation). Includes pre-grant inquiry, written agreement, separate accounting, and reporting on grant use. The recipient must comply.

Are family foundations easier to get money from than independent foundations? Not categorically. Smaller family foundations often grant only to organizations with family member relationships. Larger family foundations with professional staff resemble independent foundations in process. Independent foundations are typically more accessible to applicants without prior connections, though larger ones operate by invitation.

Can a 501(c)(3) be reclassified from public charity to private foundation? Yes, if its support narrows to too few sources. Most 501(c)(3)s are concerned about the reverse — maintaining public charity status by demonstrating broad public support on the Schedule A test. Read Form 990 filing guide for the public support tests.