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Santa Rosa private foundations

There are 180private foundations in the greater Santa Rosametro area, including the cities of Santa Rosa and Petaluma. Combined, these Santa Rosa metro private foundationsemploy 14 people, earn more than $50 million in revenue each year, and have assets of $505 million.
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Types of private foundations in Santa Rosa

Nonprofit typeNumberRevenues
Private foundations
180
$49,866,559
Corporate foundations
2
$2,084,807
Showing 2 of 2categories

Sizes of private foundations in Santa Rosa

Revenues per organizationNumber of organizations
< $250k
124
$250k to $1M
17
$1M to $5M
8
$5M to $25M
3
$25M to $100M
0
$100M+
0
Key takeaways for revenue stats:

Directory of private foundations in Santa Rosa

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1-20 of 180

Larry L. Hillblom Foundation

To research programs conducted by the University of California. The Foundation supports basic scientific research, clinical research, and research related to patient self-care and management.
Revenue
$10.8m
Assets
$131.8m
Employees
4
EIN
94-3241600
IRS type
501(c)(3)

CS Fund

The CS Fund is a private foundation that provides federal excise tax refunds to grantees, such as the Marin Community Foundation. Last year, it made 44 grants. It is located in Petaluma, CA.
Revenue
$5.3m
Assets
$6.7m
Employees
5
EIN
95-3607882
IRS type
501(c)(3)

CS Fund and Warsh-Mott Legacy (csf/wml)

Throughout their histories, CSF and WML have been dedicated to progressive social change protecting human and environmental health, preserving biodiversity, preventing the commodification of life, and defending democracy.
Revenue
$5.7m
Assets
$43.0m
Employees
0
EIN
68-0049658
IRS type
501(c)(3)

Keysight Technologies Foundation

The Keysight Technologies Foundation is a corporate foundation located in Santa Rosa, CA that supports American Online Giving Campaign and made 19 grants last year.
Revenue
$2.0m
Assets
$6.9m
Employees
0
EIN
47-1861715
IRS type
501(c)(3)

Robert & Shirley Harris Family Foundation

The Robert & Shirley Harris Family Foundation is a private foundation that primarily funds general support. The foundation made 49 grants last year to organizations such as the American Red Cross. The foundation is located in Santa Rosa, CA.
Revenue
$3.9m
Assets
$16.7m
Employees
N/A
EIN
68-0121965
IRS type
501(c)(3)

Arntz Family Foundation

Arntz Family Foundation's mission is to support environmental organizations with an emphasis on those organizations that work toward systemic change and sustainability particularly where the areas of the environment and economic development come together.
Revenue
$802.8k
Assets
$9.9m
Employees
1
EIN
68-6109096
IRS type
501(c)(3)

Charlies Acres

Charlies Acres is a private foundation that cares for abused, homeless, and rescued farm animals in a safe environment. It is located in Sonoma, CA.
Revenue
$780.5k
Assets
$10.0m
Employees
0
EIN
81-4125573
IRS type
501(c)(3)

The Donald and Maureen Green Foundation

The Donald and Maureen Green Foundation is a private foundation located in Santa Rosa, CA. It primarily funds operational needs for grantees such as Sonoma Academy and others. The foundation made three grants last year.
Revenue
$338.3k
Assets
$11.4m
Employees
N/A
EIN
91-1811432
IRS type
501(c)(3)

Diane and Ron Miller Fund

The Diane and Ron Miller Charitable Fund is a private foundation that primarily funds arts/humanities, conservation, and world health. It made three grants last year and is located in Napa, CA.
Revenue
$242.7k
Assets
$47.6m
Employees
N/A
EIN
46-5650125
IRS type
501(c)(3)

The Vadasz Family Foundation

The Vadasz Family Foundation is a private foundation located in Sonoma, CA. It made 49 grants last year. Grantees include Sonoma Valley Hospital Foundation. Trustees are Les L Vadasz, Judy K Vadasz, Jeffrey E Vadasz.
Revenue
$685.5k
Assets
$11.6m
Employees
0
EIN
77-0469457
IRS type
501(c)(3)

Trione Foundation

The Trione Foundation is a private foundation located in Santa Rosa, CA that made 21 grants last year. Grantees include Hoover Institute. The foundation is supported by Victor Trione.
Revenue
$1.9m
Assets
$15.2k
Employees
0
EIN
94-1693238
IRS type
501(c)(3)

North Bay Animal Services

North Bay Animal Services is a private foundation that provides comprehensive services to the Petaluma community, resulting in fewer homeless animals, greater pet retention, and happier pets.
Revenue
$1.6m
Assets
$219.8k
Employees
0
EIN
82-4614629
IRS type
501(c)(3)

Traditional Medicinals Foundation

The Traditional Medicinals Foundation funds non-specified grant support and org. mission. The purpose is project management of agronomy mentor work with female farmers in villages in india.
Revenue
$1.2m
Assets
$2.1m
Employees
0
EIN
27-4373346
IRS type
501(c)(3)

The MS Grumbacher Foundation

The MS Grumbacher Foundation is a private foundation that primarily funds support of the nonprofit mission, writegirl, u.s. pointer study, support of expanded services in california, sonoma county resilience fund (covid-19), merecersb.
Revenue
$1.6m
Assets
$7.3m
Employees
0
EIN
23-2697348
IRS type
501(c)(3)

Burnand-Partridge Foundation H Scott Partridge Et Al Co-Trustees

The Burnand-Partridge Foundation is a private foundation that primarily funds performing arts and education, scholarships, and educational programs for girls.
Revenue
$275.9k
Assets
$13.9m
Employees
1
EIN
77-6203456
IRS type
501(c)(3)

Azaya Ranch Sanctuary

Azaya Ranch Sanctuary provides food, shelter and medical treatment to abused and neglected animals. The adoption fees related to the adoption of animals from the sanctuary go towards the care of the animals. The sanctuary is located in Petaluma, CA.
Revenue
$1.3m
Assets
$963.8k
Employees
1
EIN
80-0419171
IRS type
501(c)(3)

Bleser Family Foundation

Private foundation in Windsor, CA funding donations, food pantries, scholarships, wildlife habitat preservation, and more. Made 48 grants last year.
Revenue
$1.9m
Assets
$37.1m
Employees
N/A
EIN
39-1585269
IRS type
501(c)(3)

Peats Purpose Foundation

Peats Purpose Foundation is a private foundation in Santa Rosa, CA that was founded in 2023.
Revenue
N/A
Assets
N/A
Employees
N/A
EIN
92-3980151
IRS type
501(c)(3)

Wolvertonbailey Foundation

The Wolvertonbailey Foundation is a private foundation located in Santa Rosa, CA that received donations for its opening cost.
Revenue
$950
Assets
$815
Employees
N/A
EIN
82-4177168
IRS type
501(c)(3)

Recovering Native American Participation in World War I

Recovering Native American Participation in World War I is a private foundation in Sonoma, CA that was founded in 2024.
Revenue
N/A
Assets
N/A
Employees
N/A
EIN
93-2646607
IRS type
501(c)(3)
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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.
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