Joan Zimmerman Jason and Jordan Sills Foundation
Joan Zimmerman Jason and Jordan Sills Foundation is a private foundation, based in San Francisco, CA. IRS filing data is available for 2020. In 2020, it awarded 6 grants totaling $209K. Net investment income was $16K.
Joan Zimmerman Jason and Jordan Sills Foundation at a glance
In short: Joan Zimmerman Jason and Jordan Sills Foundation gave $209K across 6 grants in 2020 (avg $35K), mostly in California. Source: 2020 IRS Form 990-PF.
- Annual giving (2020)
- $209,423
- Grants made (2020)
- 6
- Average grant
- $34,904
- Median grant
- $6,150
- Primary geography
- California (98% of itemized 2020 grant dollars)
- Latest 990 filing
- Form 990-PF, 2020 View filing
Data from IRS Form 990-PF, 2020; updated September 2026.
Who Joan Zimmerman Jason and Jordan Sills Foundation funds
How this funder distributes its grants
Top Recipients
Top 6 recipients in 2020
The largest 2020 recipient was CSNK2A1 Foundation ($169K). Together the top 6 received $209K.
Grant Size Distribution
6 grants across all recorded years
The most common grant size was under $50K: 5 grants of 6 (83%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2020 grant dollars across all 6 itemized grants.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
In 2020 it made 6 grants totaling $209K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| CSNK2A1 Foundation San Francisco, CA | Operating Fund | $169,373 |
| Brandeis Marin San Rafael, CA | Operating Fund | $22,000 |
| Kol Shofar Tiburon, CA | Operating Fund | $6,300 |
| Hillsborough School Foundation Hillsborough, CA | Operating Fund | $6,000 |
| Child Mind Institute New York, NY | Operating Fund | $5,000 |
| Giant Steps Therapeutic Equestrian Center Petaluma, CA | Operating Fund | $750 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Revenue | Expenses | Grants paid | Grants | Net Investment Income | Distributable Amount |
|---|---|---|---|---|---|---|
| 2020 | $15,761 | $209,516 | $209,423 | 6 | $15,528 | $5,349 |
Under IRS private-foundation payout rules, Joan Zimmerman Jason and Jordan Sills Foundation reported a distributable amount of $5K for 2020 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Joan Zimmerman Jason and Jordan Sills Foundation's 2020 filing lists 3 officers; none of the 3 officers listed in 2020 report compensation.
Officers on the 2020 filing
Jason Sills
Director
New on the 2020 filing
No compensation reported
Joan Goodman Zimmerman
Director
New on the 2020 filing
No compensation reported
Jordan Sills
Director
New on the 2020 filing
No compensation reported
Data from IRS Form 990 filings, 2020. "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 Joan Zimmerman Jason and Jordan Sills Foundation
How much does Joan Zimmerman Jason and Jordan Sills Foundation give each year?
Joan Zimmerman Jason and Jordan Sills Foundation gave $209K across 6 grants in 2020, according to its 2020 IRS Form 990-PF.
What is Joan Zimmerman Jason and Jordan Sills Foundation's typical grant size?
Joan Zimmerman Jason and Jordan Sills Foundation's median grant in 2020 was $6,150, and its average grant was $34,904, across 6 grants on its 2020 IRS Form 990-PF.
Where does Joan Zimmerman Jason and Jordan Sills Foundation give grants?
Joan Zimmerman Jason and Jordan Sills Foundation gives mostly in California: 98% of the grant dollars itemized on its 2020 IRS Form 990-PF went to recipients there.
Does Joan Zimmerman Jason and Jordan Sills Foundation give general operating support?
Yes: 100% of Joan Zimmerman Jason and Jordan Sills Foundation's 2020 grants with a stated purpose (6 of 6) were for general or operating support, per its 2020 IRS Form 990-PF.
Who are Joan Zimmerman Jason and Jordan Sills Foundation's largest grantees?
Joan Zimmerman Jason and Jordan Sills Foundation's largest 2020 grantees include CSNK2A1 Foundation ($169,373), Brandeis Marin ($22,000) and Kol Shofar ($6,300), according to its 2020 IRS Form 990-PF. Together they received 94% of its itemized 2020 grant dollars.
How much is Joan Zimmerman Jason and Jordan Sills Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2020, Joan Zimmerman Jason and Jordan Sills Foundation reported a distributable amount of $5K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Joan Zimmerman Jason and Jordan Sills Foundation's EIN?
Joan Zimmerman Jason and Jordan Sills Foundation's EIN (Employer Identification Number) is 20-5812630. IRS Form 990 filing data is available on this page for 2020.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(1)
When this profile's IRS filing data changed on Grantable
- IRS filings on file for fiscal year 2020
Live grants for the work Joan Zimmerman Jason and Jordan Sills Foundation funds
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