RCB Foundation
RCB Foundation is a private foundation, based in Scottsdale, AZ. IRS filing data is available from 2022 through 2024. As of 2024, the organization holds $128K in total assets. In 2024, it awarded 5 grants totaling $950K.
RCB Foundation at a glance
In short: RCB Foundation gave $950K across 5 grants in 2024 (avg $190K), mostly in Arizona. Source: 2024 IRS Form 990-PF.
- Annual giving (2024)
- $950,000
- +32.9% vs 2023
- Grants made (2024)
- 5
- -16.7% vs 2023
- Average grant
- $190,000
- +59.4% vs 2023
- Median grant
- $200,000
- Total assets
- $127,867
- +139.7% vs 2023
- Primary geography
- Arizona (58% of itemized 2024 grant dollars)
- Latest 990 filing
- Form 990-PF, 2024 View filing
Data from IRS Form 990-PF, 2024; updated September 2026.
Who RCB Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2024
The largest 2024 recipient was Phoenix Childrens Foundation ($400K). Together the top 5 received $950K.
Grant Size Distribution
15 grants across all recorded years
The most common grant size was in the $100–250K range: 5 grants of 15 (33%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2024 grant dollars across all 5 itemized grants.
Cities
How RCB Foundation gives
- In 2024 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 2022 to 2024, annual grant giving ranged from $715K (2023) to $950K (2024). In 2024 it made 5 grants totaling $950K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Phoenix Childrens Foundation Phoenix, AZ | Pediatric Care | $400,000 |
| Shriners Hospitals for Children Tampa, FL | Pediatric Care | $200,000 |
| St Judes Childrens Research Hospital Memphis, TN | Pediatric Care | $200,000 |
| St Marys Food Bank Phoenix, AZ | Food Bank | $100,000 |
| Arizona Humane Society Phoenix, AZ | Assistance with Animal Care | $50,000 |
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Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Distributable Amount |
|---|---|---|---|---|---|---|---|
| 2024 | $127,867 | $1,027,289 | $952,764 | $950,000 | 5 | $952,764 | $32,728 |
| 2023 | $53,342 | $408,781 | $719,900 | $715,000 | 6 | $719,900 | $17,943 |
| 2022 | $364,461 | $1,183,691 | $819,230 | $804,000 | 4 | $819,230 | $23,900 |
Under IRS private-foundation payout rules, RCB Foundation reported a distributable amount of $33K for 2024 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
RCB Foundation is led by Richard C. Biederbeck, President on every filing since 2022; none of the 2 officers listed in 2024 report compensation.
Officers on the 2024 filing
Richard C. Biederbeck
President
On filings since 2022
1 hr/week
No compensation reported
Valerie D. Biederbeck
Secretary
On filings since 2022
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2022–2024. "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 RCB Foundation
How much does RCB Foundation give each year?
RCB Foundation gave $950K across 5 grants in 2024, according to its 2024 IRS Form 990-PF. In 2023 it gave $715K across 6 grants.
What is RCB Foundation's typical grant size?
RCB Foundation's median grant in 2024 was $200,000, and its average grant was $190,000, across 5 grants on its 2024 IRS Form 990-PF.
Where does RCB Foundation give grants?
RCB Foundation gives mostly in Arizona: 58% of the grant dollars itemized on its 2024 IRS Form 990-PF went to recipients there. The next largest states were Florida (21%) and Tennessee (21%). The most frequent recipient cities were Phoenix, AZ (3 grants).
Does RCB Foundation give general operating support?
Not in 2024: none of the 5 grants with a stated purpose on RCB Foundation's 2024 IRS Form 990-PF were described as general or operating support. Recurring purposes include "Pediatric Care" (3 grants).
Who are RCB Foundation's largest grantees?
RCB Foundation's largest 2024 grantees include Phoenix Childrens Foundation ($400,000), Shriners Hospitals for Children ($200,000) and St Judes Childrens Research Hospital ($200,000), according to its 2024 IRS Form 990-PF. Together they received 84% of its itemized 2024 grant dollars.
How large is RCB Foundation?
RCB Foundation reported $128K in total assets on its 2024 IRS Form 990-PF. It paid out $953K in qualifying distributions that year, against a required minimum of $33K (roughly 5% of its investment assets).
What is RCB Foundation's EIN?
RCB Foundation's EIN (Employer Identification Number) is 88-0753195. IRS Form 990 filing data is available on this page for 2022–2024.
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 2022–2024
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