1. Directory of nonprofits
  2. Locations
  3. California
  4. San Diego
  5. San Diego private foundations

San Diego private foundations

There are 1,218 private foundations in the greater San Diego metro area, including the cities of San Diego, Carlsbad, Chula Vista, and Poway. Combined, these San Diego metro private foundations employ 237 people, earn more than $702 million in revenue each year, and have assets of $6 billion.
Skip to:
Related directory pages:

Types of private foundations in San Diego

Nonprofit typeNumberRevenues
Private foundations
 
1,218
 
$702,319,263
Corporate foundations
 
14
 
$70,112,808
Showing 2 of 2 categories

Sizes of private foundations in San Diego

Revenues per organizationNumber of organizations
< $250k
 
715
$250k to $1M
 
141
$1M to $5M
 
62
$5M to $25M
 
29
$25M to $100M
 
4
$100M+
 
0
Key takeaways for revenue stats:

Directory of private foundations in San Diego

Want to add filters to this list, or drill down on results in detail? Open in the Cause IQ search interface
1-20 of 1,218

George and Betty Harbaugh Charitable FOUNDATION

George and Betty Harbaugh Charitable FOUNDATION is a private foundation in Solana Beach, CA, which was founded in 2014 and most recently had $7,874,850 in revenue and no employees.
Revenue
$7.9m
Assets
$24.9m
Employees
N/A
EIN
46-6638989
IRS type
501(c)(3)

Charles Lee Powell Foundation

The Foundation was established in 1954 by Charles Lee Powell (1863-1959), a self-taught engineer who invented and patented methods for building concrete structures underground.
Revenue
$7.4m
Assets
$59.1m
Employees
0
EIN
23-7064397
IRS type
501(c)(3)

Nobbs Family Foundation

Nobbs Family Foundation is a private foundation in San Diego, CA whose mission is: A private foundation whose trustee is Jeffrey M. Nobbs.
Revenue
$11.1m
Assets
$88.4m
Employees
3
EIN
45-6644674
IRS type
501(c)(3)

Joseph Aw Clayes Iii Charitable Trust

The Joseph Aw Clayes Iii Charitable Trust is a private foundation that primarily funds financial support for neuro-oncology and genomics research, establishing meal program endowment. The trust made two grants last year.
Revenue
$8.3m
Assets
$37.3m
Employees
2
EIN
20-7515945
IRS type
501(c)(3)

Price Philanthropies Foundation

The Price Philanthropies Foundation, a corporate foundation in La Jolla, CA, funds programs, scholarships, and grants, including support for San Diego State University.
Revenue
$51.4m
Assets
$446.8m
Employees
8
EIN
46-5129465
IRS type
501(c)(3)

David C Copley Foundation

David C. Copley Foundation's mission is to carry on the Copley family's legacy of giving by funding nonprofit organizations making a difference in the areas of human services, military and military veterans, youth development and more.
Revenue
$8.7m
Assets
$104.5m
Employees
6
EIN
95-6051770
IRS type
501(c)(3)

The Conrad Prebys Foundation

The Conrad Prebys Foundation makes five grants last year, including to the La Jolla Music Society. It is supported by the Conrad Prebys Trust, which was created in 12171982.
Revenue
$34.0m
Assets
$1.1b
Employees
19
EIN
20-3216993
IRS type
501(c)(3)

Amateur Radio Digital Communications

A San Diego-based nonprofit private foundation that primarily funds and promotes amateur radio digital communications and technology upgrades.
Revenue
$5.4m
Assets
$128.2m
Employees
11
EIN
45-3751971
IRS type
501(c)(3)

Alliance Healthcare Foundation (AHF)

Alliance Healthcare Foundation (AHF) works to advance health and wellness for the most vulnerable - the poor, working poor, children and homeless in San Diego & Imperial Counties.
Revenue
$7.9m
Assets
$85.5m
Employees
6
EIN
33-0340635
IRS type
501(c)(3)

The Chuck and Ernestina Kreutzkamp Foundation

Private foundation in Chula Vista, CA supporting efforts to treat childhood cancer and provide access to life-saving medical care.
Revenue
$22.6m
Assets
$165.5m
Employees
2
EIN
81-3811851
IRS type
501(c)(3)

God's Gift

God's Gift is a private foundation that provides funding for general operations and grantees such as Hope International. It makes two grants a year and is located in Temecula, CA.
Revenue
$5.2m
Assets
$56.7m
Employees
2
EIN
33-0831475
IRS type
501(c)(3)

Leichtag Foundation

The Leichtag Foundation honors the legacy of Lee and Toni Leichtag through igniting and inspiring vibrant Jewish life, advancing self-sufficiency and stimulating social entrepreneurship in coastal North San Diego County and Jerusalem.
Revenue
$6.3m
Assets
$83.2m
Employees
14
EIN
33-0466189
IRS type
501(c)(3)

B Quest

B Quest is a San Diego foundation funding renewable energy projects, supporting nonprofits, and promoting sustainable solutions for equitable community development.
Revenue
$6.7m
Assets
$34.6m
Employees
2
EIN
47-5550417
IRS type
501(c)(3)

Lowy Medical Research Institute

The Lowy Medical Research Institute seeks to improve human health by conducting scientific research. Lowy has made five grants in the last year. It is a private foundation located in La Jolla, CA.
Revenue
$6.3m
Assets
$4.6m
Employees
15
EIN
46-1431618
IRS type
501(c)(3)

Donald C and Elizabeth M Dickinson Foundation

The Donald C and Elizabeth M Dickinson Foundation is a private foundation that made 14 grants last year. These grants were mainly distributed to various education and medical causes.
Revenue
$3.4m
Assets
$37.2m
Employees
0
EIN
33-0653203
IRS type
501(c)(3)

The Shillman Foundation

The Shillman Foundation is a private foundation that made 11 grants last year. It is supported by Robert Shillman and is located in Rancho Santa Fe, CA. Grantees include Fidelity Gift Fund.
Revenue
$6.3m
Assets
$103.1m
Employees
0
EIN
04-3511089
IRS type
501(c)(3)

Laygend Foundation

The Laygend Foundation is a private foundation located in Rancho Santa Fe, CA that is supported by Jeng-Guang Lay.
Revenue
$17.8m
Assets
$113.2m
Employees
0
EIN
87-2737376
IRS type
501(c)(3)

The Gifts of the Magi Foundation

The Gifts of the Magi Foundation is a Private Foundation located in San Diego, CA that grants money to Medical Research for cancer, leukemia, and alz.
Revenue
$11.8m
Assets
$14.6m
Employees
0
EIN
20-2029251
IRS type
501(c)(3)

Tomlinson Foundation

The Tomlinson Foundation is a private foundation located in La Jolla, CA. It made two grants last year and its grantees include the Alzheimer's Association. It is supported by Administrative Trust Under The Tomlinson Family Trust.
Revenue
$17.4m
Assets
$85.4m
Employees
0
EIN
33-0383793
IRS type
501(c)(3)

Dr Seuss Foundation

The Dr Seuss Foundation is a private foundation that supports Zoological Society Of San Diego. It made 35 grants last year and is supported by Audrey Geisel Estate. It is located in San Diego, CA.
Revenue
$4.2m
Assets
$65.0m
Employees
2
EIN
95-6029752
IRS type
501(c)(3)
Want more insights on private foundations in San Diego?
There's a whole lot more to Cause IQ than what you see here. Additional filters, personnel information, peer benchmarking, Salesforce integration, vendor lists, etc. Access all the information your company needs in one place, already collected.
Schedule a demo
Over 200 customers use Cause IQ to grow, maintain, and serve their nonprofit clients.
Methodology: Cause IQ mines all tax-exempt organizations that file a Form 990, Form 990-EZ, or Form 990-PF with the IRS. We collect and aggregate this information from OCR'd paper taxreturns, XML e-file taxreturns, IRS-provided extract, the Business Master File, and Cause IQ secret sauce for data cleaning, categorization, classification, analytics, etc.
This category corresponds to the "T20: Private Foundations" National Taxonomy of Exempt Entities (NTEE) code. Cause IQ determines NTEEs for organizations by its own internally-developed secret-sauce algorithms.
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2026 Nonprofit Metrics LLC
Terms of Service and Privacy Policy