The Joanne and William Prieur Foundation
The Joanne and William Prieur Foundation is a nonprofit organization, based in San Francisco, CA. IRS filing data is available from 2020 through 2024. In 2024, it awarded 2 grants totaling $18K.
The Joanne and William Prieur Foundation at a glance
In short: The Joanne and William Prieur Foundation gave $18K across 2 grants in 2024 (avg $9K), mostly in California. Source: 2024 IRS Form 990 filing.
- Annual giving (2024)
- $18,000
- +12.5% vs 2023
- Grants made (2024)
- 2
- +0.0% vs 2023
- Average grant
- $9,000
- +12.5% vs 2023
- Median grant
- $9,000
- Primary geography
- California (100% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990 filing, 2024 View filing
Data from IRS Form 990 filing, 2024; updated September 2026.
Who The Joanne and William Prieur Foundation funds
How this funder distributes its grants
Top Recipients
Top 2 recipients in 2024
The largest 2024 recipient was San Francisco Botanical Garden ($15K). Together the top 2 received $18K.
Grant Size Distribution
10 grants across all recorded years
The most common grant size was under $50K: 10 grants of 10 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 2 itemized grants.
States
Cities
How The Joanne and William Prieur Foundation gives
- Giving held roughly steady from 2021 to 2024 (−18%). 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 2024, annual grant giving ranged from $16K (2023) to $22K (2021). In 2024 it made 2 grants totaling $18K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| San Francisco Botanical Garden San Francisco, CA | Educational Programs | $15,000 |
| West Marin Scholarship Program Inverness, CA | Educational Programs | $3,000 |
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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 |
|---|---|---|---|---|---|---|---|
| 2024 | — | $20,511 | $18,500 | $18,000 | 2 | — | — |
| 2023 | $109,814 | $16,136 | $17,000 | $16,000 | 2 | — | — |
| 2022 | $110,678 | $20,024 | $21,000 | $21,000 | 2 | $21,000 | $24 |
| 2021 | $111,654 | $16,025 | $22,525 | $22,000 | 2 | $22,000 | $8 |
| 2020 | $118,154 | $17,022 | $17,008 | $17,000 | 2 | — | $22 |
Leadership & Key People
Officers and directors from IRS filings
The Joanne and William Prieur Foundation is led by William Prieur, Director on every filing since 2020 — the only officer listed, and uncompensated.
Officers on the 2024 filing
William Prieur
Director
On filings since 2020
2 hrs/week
No compensation reported
Former officers (1)
- Former: Joanne Prieur (2020–2022) — Director
Data from IRS Form 990 filings, 2020–2024. "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 The Joanne and William Prieur Foundation
How much does The Joanne and William Prieur Foundation give each year?
The Joanne and William Prieur Foundation gave $18K across 2 grants in 2024, according to its 2024 IRS Form 990 filing. In 2023 it gave $16K across 2 grants.
Where does The Joanne and William Prieur Foundation operate?
The Joanne and William Prieur Foundation has awarded grants in California.
What is The Joanne and William Prieur Foundation's EIN?
The Joanne and William Prieur Foundation's EIN (Employer Identification Number) is 91-2172584. IRS Form 990 filing data is available on this page for 2020–2024.
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 years 2020–2024
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Figures come from The Joanne and William Prieur Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
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