Jon and Katherine Dart
Jon and Katherine Dart is a private foundation, based in San Jose, CA. IRS filing data is available from 2020 through 2025. In 2025, it awarded 4 grants totaling $1.5M. Net investment income was $681K.
Jon and Katherine Dart at a glance
In short: Jon and Katherine Dart gave $1.5M across 4 grants in 2025 (avg $385K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $1,540,895
- +2981.8% vs 2024
- Grants made (2025)
- 4
- +300.0% vs 2024
- Average grant
- $385,224
- +670.4% vs 2024
- Median grant
- $250,000
- Primary geography
- California (68% of itemized 2025 grant dollars)
- Latest 990 filing
- Form 990-PF, 2025 View filing
Data from IRS Form 990-PF, 2025; updated September 2026.
Who Jon and Katherine Dart funds
How this funder distributes its grants
Top Recipients
Top 4 recipients in 2025
The largest 2025 recipient was Cerity Partners Foundation FBO Jon & Katherine Dart Donor Advised Fund ($791K). Together the top 4 received $1.5M.
Grant Size Distribution
35 grants across all recorded years
The most common grant size was under $50K: 29 grants of 35 (83%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 4 itemized grants.
Cities
How Jon and Katherine Dart gives
- Giving grew 2702% from 2022 to 2025. Method
- In 2025 it paid out well above its IRS minimum distribution (the 5% rule). Method
From the foundation's IRS Form 990-PF filings. Methodology.
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2020 to 2025, annual grant giving ranged from $50K (2024) to $1.5M (2025). In 2025 it made 4 grants totaling $1.5M.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Cerity Partners Foundation FBO Jon & Katherine Dart Donor Advised Fund Novato, CA | General Charitable Purposes | $790,895 |
| Center for Constitutional Rights New York, NY | Defend Constitutional Rights | $250,000 |
| Earthjustice San Francisco, CA | Environmental Law | $250,000 |
| Partners in Health Boston, MA | Provide Health Care for the Needy | $250,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|---|---|
| 2025 | — | $692,633 | $1,617,829 | $1,540,895 | 4 | $1,552,220 | $681,258 | $58,443 |
| 2024 | $926,196 | $23,492 | $70,053 | $50,000 | 1 | $59,450 | $24,134 | $66,274 |
| 2023 | $971,757 | $63,433 | $86,672 | $73,000 | 5 | $76,950 | $54,264 | $60,488 |
| 2022 | $994,996 | $89,580 | $69,381 | $55,000 | 13 | $58,994 | $78,792 | $62,639 |
| 2021 | $979,297 | $152,190 | $75,836 | $61,500 | 12 | $65,349 | $82,883 | $65,926 |
| 2020 | $898,443 | $99,709 | $67,770 | $55,500 | 10 | — | $98,757 | $56,346 |
Under IRS private-foundation payout rules, Jon and Katherine Dart reported a distributable amount of $58K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Jon and Katherine Dart is led by Jon Dart, President & Director on every filing since 2020; none of the 2 officers listed in 2025 report compensation.
Officers on the 2025 filing
Jon Dart
President & Director
On filings since 2020
1 hr/week
No compensation reported
Katherine Dart
Secretary, Treasurer & Director
On filings since 2020
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2020–2025. "On filings since" is the earliest filing we hold that lists the person; hours are average hours per week as reported.
Frequently asked questions about Jon and Katherine Dart
How much does Jon and Katherine Dart give each year?
Jon and Katherine Dart gave $1.5M across 4 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $50K across 1 grant.
What is Jon and Katherine Dart's typical grant size?
Jon and Katherine Dart's median grant in 2025 was $250,000, and its average grant was $385,224, across 4 grants on its 2025 IRS Form 990-PF.
Where does Jon and Katherine Dart give grants?
Jon and Katherine Dart gives mostly in California: 68% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest states were New York (16%) and Massachusetts (16%).
Does Jon and Katherine Dart give general operating support?
Yes: 25% of Jon and Katherine Dart's 2025 grants with a stated purpose (1 of 4) were for general or operating support, per its 2025 IRS Form 990-PF.
How much is Jon and Katherine Dart required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Jon and Katherine Dart reported a distributable amount of $58K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Jon and Katherine Dart's EIN?
Jon and Katherine Dart's EIN (Employer Identification Number) is 77-0536934. IRS Form 990 filing data is available on this page for 2020–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 7, 2026)
- IRS filings on file for fiscal years 2020–2024
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