The Stanley S Langendorf Foundation
Accepts applications
The Stanley S Langendorf Foundation is a private foundation in San Francisco, California. In tax year 2025 it gave $1.2 million in 149 grants; the typical grant was $5,000 and the largest $50,000. It accepts applications; its filing gives the instructions below.
From its IRS Form 990-PF for tax year 2025.
- Grants paid, 2025$1.2 million
- Number of grants149
- Typical grant$5,000
- Largest grant$50,000
- Assets$5.9 million
- New grantees40%
Giving in 2025 was up from $944,000 the year before.
40% of its 2025 grantees had not received a grant from it the year before, a sign it is open to new organizations.
Giving by year
| Tax year | Grants paid | Number of grants | Assets |
|---|---|---|---|
| 2023 | $724,000 | 102 | $6.7 million |
| 2024 | $944,000 | 134 | $6.2 million |
| 2025 | $1.2 million | 149 | $5.9 million |
How to apply
| Contact | Christopher Quinn Grant Manager PO Box 2509, San Francisco, CA 94126 |
|---|---|
| Phone or email | (208) 721-3367, grants@sslfoundation.com |
| What to submit, deadlines, restrictions | Please visit www.sslfoundation.org |
Foundation website IRS filings on ProPublica
What The Stanley S Langendorf Foundation funds
Where it gives
Its grants went to recipients in 16 states, the most to California.
| State | Grants | Amount |
|---|---|---|
| California | 126 | $951,500 |
| Iowa | 2 | $55,000 |
| District of Columbia | 4 | $31,000 |
| Illinois | 2 | $25,000 |
| Florida | 1 | $25,000 |
| New York | 4 | $12,000 |
| Minnesota | 1 | $10,000 |
| Virginia | 1 | $10,000 |
| Idaho | 1 | $5,000 |
| Massachusetts | 1 | $5,000 |
Grants paid in 2025
| Recipient | Purpose | Amount |
|---|---|---|
| American Red Cross | Community / social services | $50,000 |
| St Luke Presbyterian Church | Community / social services | $35,000 |
| McCallum Theatre | Arts | $25,000 |
| Meridian International Center | Community / social services | $25,000 |
| Nova Southeastern University | Education | $25,000 |
| San Francisco General Hospital Foun | Community / social services | $25,000 |
| The Posse Foundation | Youth | $25,000 |
| Tipping Point Community | Community / social services | $25,000 |
| UCSF Foundation | Community / social services | $25,000 |
| Kellogg School of Management | Education | $20,000 |
| UCSF Foundation | Community / social services | $20,000 |
| De la Salle High School | Education | $15,000 |
| Desert Community Foundation | Community / social services | $15,000 |
| McCallum Theatre | Arts | $15,000 |
| San Domenico School | Education | $15,000 |
| UCSF Foundation | Community / social services | $15,000 |
| Youth Homes Inc | Youth | $15,000 |
| Make It Home Bay Area | Community / social services | $12,500 |
| Access Institute for Psychological | Community / social services | $10,000 |
| American Red Cross of the Bay Area | Community / social services | $10,000 |
| Because Justice Matters | Community / social services | $10,000 |
| City Hope | Community / social services | $10,000 |
| City of Dreams | Community / social services | $10,000 |
| City Youth Now | Youth | $10,000 |
| Clinic by the Bay | Community / social services | $10,000 |
| De Marillac Academy | Education | $10,000 |
| Edgewood Center for Children & Fami | Community / social services | $10,000 |
| Embarcadero YMCA | Youth | $10,000 |
| Family Connection Centers | Community / social services | $10,000 |
| First Graduate | Youth | $10,000 |
| Fresh Lifelines for Youth | Youth | $10,000 |
| Grace Cathedral | Community / social services | $10,000 |
| Grace Cathedral | Community / social services | $10,000 |
| Hebrew Free Loan Association of San | Community / social services | $10,000 |
| Jefferson Economic Development Inst | Community / social services | $10,000 |
| Kidpower | Youth | $10,000 |
| La Casa de Las Madres | Community / social services | $10,000 |
| Make It Home Bay Area | Community / social services | $10,000 |
| Mayo Clinic | Community / social services | $10,000 |
| Mbolden Change | Community / social services | $10,000 |
Officers and trustees
- Richard J Guggenhime
- Lisa G Hauswirth
- Charles H Clifford Jr
- Patricia Capbarat
- Andrew Guggenhime
Questions people ask
Does The Stanley S Langendorf Foundation accept grant applications?
Yes. Its latest IRS filing says it accepts applications, with this on deadlines: Please visit www.sslfoundation.org.
How much does The Stanley S Langendorf Foundation give?
$1.2 million in tax year 2025, across 149 grants, with a typical grant of $5,000.
Who runs The Stanley S Langendorf Foundation?
Its 2025 filing lists Richard J Guggenhime (President/Tr), Lisa G Hauswirth (Secretary), Charles H Clifford Jr (Director) and Patricia Capbarat (Director) among 5 officers and trustees.
What does The Stanley S Langendorf Foundation fund?
Based on its grants, mainly human services, youth programs and education.