Riley Sampson Foundation
Riley Sampson Foundation is a private foundation focused on Housing & Shelter, based in Puyallup, WA. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $58K in total assets. In 2025, it awarded 5 grants totaling $13K. Net investment income was $19.
Riley Sampson Foundation at a glance
In short: Riley Sampson Foundation gave $13K across 5 grants in 2025 (avg $3K), mostly in Washington. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $13,421
- +7.8% vs 2024
- Grants made (2025)
- 5
- -28.6% vs 2024
- Average grant
- $2,684
- +51.0% vs 2024
- Median grant
- $1,000
- Total assets
- $58,447
- -18.8% vs 2024
- Primary geography
- Washington (93% 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 Riley Sampson Foundation funds
How this funder distributes its grants
Top Recipients
Top 5 recipients in 2025
The largest 2025 recipient was Wiaa ($6K). Together the top 5 received $13K.
Grant Size Distribution
18 grants across all recorded years
The most common grant size was under $50K: 18 grants of 18 (100%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 5 itemized grants.
States
Cities
How Riley Sampson Foundation gives
- In 2025 it paid out 418% of 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 2023 to 2025, annual grant giving ranged from $12K (2024) to $15K (2023). In 2025 it made 5 grants totaling $13K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Wiaa Renton, WA | To assist with student althetic programs. Includes payment to Texas de brazil for state championships hosting dinner, a wiaa exempt activity. | $6,421 |
| Coupeville High School Booster Club Coupeville, WA | To Further the Schools's Athletic Programs. | $5,000 |
| Equipnet Alamo, CA | Collaborating Together to Advance God's Kingdom | $1,000 |
| Puyallup Food Bank Puyallup, WA | To Assist Those with Food Insecurities | $500 |
| Communities in School of Tacoma Tacoma, WA | To Assist in the Development of Children | $500 |
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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 | $58,447 | $1,981 | $15,511 | $13,421 | 5 | $13,421 | $19 | $3,212 |
| 2024 | $71,977 | $25 | $14,916 | $12,445 | 7 | $12,445 | $25 | $3,912 |
| 2023 | $86,868 | $103,459 | $16,591 | $15,120 | 6 | $15,120 | $19,931 | $1,862 |
Under IRS private-foundation payout rules, Riley Sampson Foundation reported a distributable amount of $3K for 2025 — the minimum it must pay out in qualifying distributions.
Leadership & Key People
Officers and directors from IRS filings
Riley Sampson Foundation is led by William Riley, President on every filing since 2023; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
William Riley
President
On filings since 2023
1 hr/week
No compensation reported
Althea Riley
Vice President
On filings since 2023
1 hr/week
No compensation reported
Merritt Riley
Secretary & Treasurer
On filings since 2023
1 hr/week
No compensation reported
Data from IRS Form 990 filings, 2023–2025. "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 Riley Sampson Foundation
How much does Riley Sampson Foundation give each year?
Riley Sampson Foundation gave $13K across 5 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $12K across 7 grants.
What is Riley Sampson Foundation's typical grant size?
Riley Sampson Foundation's median grant in 2025 was $1,000, and its average grant was $2,684, across 5 grants on its 2025 IRS Form 990-PF.
Where does Riley Sampson Foundation give grants?
Riley Sampson Foundation gives mostly in Washington: 93% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The next largest state was California (7%).
Does Riley Sampson Foundation give general operating support?
Not in 2025: none of the 5 grants with a stated purpose on Riley Sampson Foundation's 2025 IRS Form 990-PF were described as general or operating support.
Who are Riley Sampson Foundation's largest grantees?
Riley Sampson Foundation's largest 2025 grantees include Wiaa ($6,421), Coupeville High School Booster Club ($5,000) and Equipnet ($1,000), according to its 2025 IRS Form 990-PF. Together they received 93% of its itemized 2025 grant dollars.
How large is Riley Sampson Foundation?
Riley Sampson Foundation reported $58K in total assets on its 2025 IRS Form 990-PF. It paid out $13K in qualifying distributions that year, against a required minimum of $3K (roughly 5% of its investment assets).
What is Riley Sampson Foundation?
Riley Sampson Foundation is a private foundation focused on Housing & Shelter, based in Puyallup, WA. It holds $58K in total assets as of 2025.
What is Riley Sampson Foundation's EIN?
Riley Sampson Foundation's EIN (Employer Identification Number) is 88-1769577. IRS Form 990 filing data is available on this page for 2023–2025.
Data last updated September 2026. Sourced from IRS Form 990-PF filings.
Data update history
(4)
When this profile's IRS filing data changed on Grantable
- Updated Form 990-PF for fiscal year 2023 (received by the IRS November 14, 2024)
- Updated Form 990-PF for fiscal year 2024 (received by the IRS March 12, 2025)
- Updated Form 990-PF for fiscal year 2025 (received by the IRS February 19, 2026)
- IRS filings on file for fiscal years 2023–2025
Live grants for the work Riley Sampson Foundation funds
Housing & Shelter Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Riley Sampson Foundation's focus areas in our free grants database
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