Walter & Sarah Diener Foundation
Walter & Sarah Diener Foundation is a private foundation focused on Health, based in ROCKVILLE, MD. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.2M in total assets. In 2025, it awarded 14 grants totaling $191K. Net investment income was $94K.
Financial Overview
From 2025 IRS Form 990-PF · View filing
Total Assets
$1.2M
-7.8% YoY
Annual Giving
$191K
+6.9% YoY
Grant Count
14
+7.7% YoY
Avg Grant Size
$14K
-0.7% YoY
Under IRS private-foundation payout rules, Walter & Sarah Diener Foundation reported a distributable amount of $183K for 2025 — the minimum it must pay out in qualifying distributions.
About Walter & Sarah Diener Foundation
Based on IRS filings
Walter & Sarah Diener Foundation is a private foundation focused on Health, based in ROCKVILLE, MD. IRS filing data is available from 2021 through 2025. As of 2025, the organization holds $1.2M in total assets. In 2025, it awarded 14 grants totaling $191K. Net investment income was $94K.
Focus Areas
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Geographic Focus
Where this funder awards grants
Grant Distribution by State
Cities
Financial History
Multi-year comparison from IRS filings
| Metric | 2025 | 2024 | 2023 |
|---|---|---|---|
| Total Assets | $1,170,703 | $1,269,724 | $1,353,415 |
| Revenue | $96,918 | $101,155 | $96,396 |
| Expenses | $195,939 | $184,846 | $160,026 |
| Qualifying Distributions | $190,708 | $178,360 | $154,000 |
| Net Investment Income | $94,399 | $90,402 | $82,471 |
| Distributable Amount | $182,520 | $164,550 | $150,745 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2025
Grant Size Distribution
65 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2025 grants, the largest include Hebrew Home of Greater Washington ($43,750), Makom ($35,000), Charles Smith Life Communities ($27,500).
| Recipient | Purpose | Amount |
|---|---|---|
| HEBREW HOME OF GREATER WASHINGTON ROCKVILLE, MD | CONTRIBUTION | $43,750 |
| MAKOM ROCKVILLE, MD | CONTRIBUTION | $35,000 |
| UNIVERSITY OF MARYLAND HILLELL COLLEGE PARK, MD | CONTRIBUTION | $25,000 |
| SUBURBAN HOSPITAL FOUNDATION BETHESDA, MD | CONTRIBUTION | $20,000 |
| HOPE CONNECTIONS FOR CANCER BETHESDA, MD | CONTRIBUTION | $2,000 |
| MEDSTAR HEALTH COLUMBIA, MD | CONTRIBUTION | $5,000 |
| CHILDRENS INN BETHESDA, MD | CONTRIBUTION | $5,000 |
| THE DIENER SCHOOL ROCKVILLE, MD | CONTRIBUTION | $15,708 |
| BNAI ISRAEL ROCKVILLE, MD | CONTRIBUTION | $3,000 |
| SUNFLOWER BAKERY ROCKVILLE, MD | CONTRIBUTION | $2,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2025 IRS filing
From 2025 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| JEFFERY COHEN | PRESIDENT | — | — |
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What is Walter & Sarah Diener Foundation?
Walter & Sarah Diener Foundation is a private foundation focused on Health, based in ROCKVILLE, MD. It holds $1.2M in total assets as of 2025.
How large is Walter & Sarah Diener Foundation?
As of 2025, Walter & Sarah Diener Foundation holds $1.2M in total assets with $97K in annual revenue. It awarded 14 grants totaling $191K in 2025.
Where does Walter & Sarah Diener Foundation operate?
Walter & Sarah Diener Foundation has awarded grants in California, District of Columbia, Florida, Maryland, New York, South Carolina.
What size grants does Walter & Sarah Diener Foundation award?
In 2025, Walter & Sarah Diener Foundation awarded 14 grants totaling $191K — an average of about $14K per grant, based on its IRS Form 990 filings.
How much is Walter & Sarah Diener Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2025, Walter & Sarah Diener Foundation reported a distributable amount of $183K on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Walter & Sarah Diener Foundation's EIN?
Walter & Sarah Diener Foundation's EIN (Employer Identification Number) is 52-1357403. IRS Form 990 filing data is available on this page for 2021–2025.
Explore Open Grants
Browse active grant opportunities in Walter & Sarah Diener Foundation's focus areas in our free grants database
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Data last updated April 2026. Sourced from IRS Form 990-PF filings.
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