Costa-Olson Family Foundation
Costa-Olson Family Foundation is a private foundation, based in Modesto, CA. IRS filing data is available from 2023 through 2025. As of 2025, the organization holds $4.9M in total assets. In 2025, it awarded 7 grants totaling $255K. Net investment income was $201K.
Costa-Olson Family Foundation at a glance
In short: Costa-Olson Family Foundation gave $255K across 7 grants in 2025 (avg $36K), mostly in California. Source: 2025 IRS Form 990-PF.
- Annual giving (2025)
- $255,100
- -11.5% vs 2024
- Grants made (2025)
- 7
- +40.0% vs 2024
- Average grant
- $36,443
- -36.8% vs 2024
- Median grant
- $25,000
- Total assets
- $4,924,579
- -1.3% vs 2024
- Primary geography
- California (100% 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 Costa-Olson Family Foundation funds
How this funder distributes its grants
Top Recipients
Top 7 recipients in 2025
The largest 2025 recipient was Salvation Army ($105K). Together the top 7 received $255K.
Grant Size Distribution
12 grants across all recorded years
The most common grant size was under $50K: 7 grants of 12 (58%).
Geographic Focus
Where this funder awards grants
Grant Distribution by State
Share of 2025 grant dollars across all 7 itemized grants.
States
Cities
Giving History
Giving Over Time
Total grant dollars and number of grants per year
From 2024 to 2025, annual grant giving ranged from $255K (2025) to $288K (2024). In 2025 it made 7 grants totaling $255K.
Grants by year
Grant recipients and amounts by year
| Recipient | Purpose | Amount |
|---|---|---|
| Salvation Army Modesto, CA | Support general purposes of the organization | $105,100 |
| Town School for Boys San Francisco, CA | Support general purposes of the organization | $70,000 |
| San Francisco Museum of Modern Art San Francisco, CA | Support general purposes of the organization | $35,000 |
| San Francisco Symphony San Francisco, CA | Support general purposes of the organization | $25,000 |
| California Academy of Sciences San Francisco, CA | Support general purposes of the organization | $10,000 |
| Children of Shelters Cos San Francisco, CA | Support general purposes of the organization | $5,000 |
| Smart- Schools Mentoring Resource T San Francisco, CA | Support general purposes of the organization | $5,000 |
Ready to take the next step with Costa-Olson Family Foundation?
Financial History
Multi-year comparison from IRS filings
| Filing year | Total Assets | Revenue | Expenses | Grants paid | Grants | Qualifying Distributions | Net Investment Income |
|---|---|---|---|---|---|---|---|
| 2025 | $4,924,579 | $201,342 | $265,984 | $255,100 | 7 | $255,100 | $201,342 |
| 2024 | $4,989,227 | $274,091 | $292,750 | $288,200 | 5 | $288,200 | $254,091 |
| 2023 | $5,007,886 | $5,017,656 | $9,770 | — | — | — | $7,886 |
Leadership & Key People
Officers and directors from IRS filings
Costa-Olson Family Foundation is led by Kelsie Costa, President & Director on every filing since 2023; none of the 3 officers listed in 2025 report compensation.
Officers on the 2025 filing
Kelsie Costa
President & Director
On filings since 2023
1 hr/week
No compensation reported
Christopher Olson
Secretary & Director
On filings since 2023
1 hr/week
No compensation reported
Jeffrey R. Hamilton
Treasurer & Director
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 Costa-Olson Family Foundation
How much does Costa-Olson Family Foundation give each year?
Costa-Olson Family Foundation gave $255K across 7 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $288K across 5 grants.
What is Costa-Olson Family Foundation's typical grant size?
Costa-Olson Family Foundation's median grant in 2025 was $25,000, and its average grant was $36,443, across 7 grants on its 2025 IRS Form 990-PF.
Where does Costa-Olson Family Foundation give grants?
Costa-Olson Family Foundation gives mostly in California: 100% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were San Francisco, CA (6 grants).
Does Costa-Olson Family Foundation give general operating support?
Yes: 100% of Costa-Olson Family Foundation's 2025 grants with a stated purpose (7 of 7) were for general or operating support, per its 2025 IRS Form 990-PF.
Who are Costa-Olson Family Foundation's largest grantees?
Costa-Olson Family Foundation's largest 2025 grantees include Salvation Army ($105,100), Town School for Boys ($70,000) and San Francisco Museum of Modern Art ($35,000), according to its 2025 IRS Form 990-PF. Together they received 82% of its itemized 2025 grant dollars.
How large is Costa-Olson Family Foundation?
Costa-Olson Family Foundation reported $4.9M in total assets on its 2025 IRS Form 990-PF. Its revenue that year was $201K.
What is Costa-Olson Family Foundation's EIN?
Costa-Olson Family Foundation's EIN (Employer Identification Number) is 93-4819152. 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
(2)
When this profile's IRS filing data changed on Grantable
- Added Form 990-PF for fiscal year 2025 (received by the IRS May 12, 2026)
- IRS filings on file for fiscal years 2023–2024
Live grants for the work Costa-Olson Family Foundation funds
Philanthropy, Voluntarism & Grantmaking Open opportunities, soonest deadline first.
Explore Open Grants
Browse active grant opportunities in Costa-Olson Family Foundation's focus areas in our free grants database
Similar Funders
Funders with grantees in common
Nancy & Joachim Bechtle Foundation
New York, NY
The foundation supports cultural, educational, health, and community organizations, with most of its grants going to California and smaller shares to New York and Washington, D.C. In 2025, grants ranged from $500 to $100,000, with a median of $10,000. It does not accept unsolicited requests and gives only to preselected organizations.
Assets
$1.9M
Grants
46
Total Given
$796K
IBM International Foundation
Armonk, NY
The IBM International Foundation funds education and workforce programs that build 21st-century and technology job skills, including initiatives for underserved students and job seekers. Its 2024 grants ranged from $10,000 to $8.48 million, with a median of $100,000, and went to organizations across several U.S. states, especially Delaware and Massachusetts. It funds only preselected organizations and does not accept unsolicited requests.
Assets
$357.7M
Grants
16
Total Given
$11.7M
Oberndorf Family Foundation
San Francisco, CA
The Oberndorf Family Foundation supports education, health, environmental, human-services, and arts and cultural organizations, primarily in California, with substantial funding also going to Texas. Its 2025 grants ranged from $1,000 to $7.5 million, with a median of $45,000; it funds only preselected organizations and does not accept unsolicited requests.
Assets
$64.3M
Grants
52
Total Given
$21.2M
Louise M Davies Foundation
San Francisco, CA
The foundation supports education, arts and culture, and science organizations, with most 2025 funding going to California recipients. Its 2025 grants ranged from $2,500 to $75,000, with a median of $15,000. It funds only preselected charities and does not accept unsolicited requests.
Assets
$22.5M
Grants
62
Total Given
$1.0M
The Joseph & Mercedes McMicking
San Francisco, CA
The Joseph & Mercedes McMicking funds children’s education and welfare, including tuition assistance and arts, science, and technology programs, primarily for nonprofits serving San Francisco Bay Area residents. Its 2025 grants ranged from $1,000 to $25,000, with a median of $10,000. It accepts applications online after prospective applicants contact the Executive Director and submit a letter of inquiry; invited applicants receive an application link.
Assets
$17.2M
Grants
72
Total Given
$665K
Robert and Dana Emery Family Foundation
Wilmington, DE
The foundation supports scholarships, education, literacy and numeracy, research, and youth enrichment, with 2025 grants going mainly to California, Massachusetts, Colorado, New York, and Virginia. Its grants ranged from $5,000 to $1.3 million, with a median of $25,000. It accepts written requests in any format from 501(c)(3) organizations; the stated deadline is June 30.
Assets
$185.5M
Grants
89
Total Given
$7.2M
More similar funders
More Funders in California
Cite this profile
Grantable. (2026). Costa-Olson Family Foundation funder profile. GrantGraph. Retrieved October 24, 2026, from https://grantable.co/funders/costa-olson-family-foundation-morg_54aa0b5a38d34c208d5c13d35455a47d
BibTeX
@misc{grantable_934819152_2026,
author = {{Grantable}},
title = {{Costa-Olson Family Foundation funder profile}},
howpublished = {GrantGraph},
year = {2026},
url = {https://grantable.co/funders/costa-olson-family-foundation-morg_54aa0b5a38d34c208d5c13d35455a47d},
note = {Accessed 2026-10-24. Data licensed CC BY 4.0}
}The figures on this page are open data under CC BY 4.0: reuse them with credit to Grantable and a link. Download the data.
Figures come from Costa-Olson Family Foundation's IRS filings (methodology). AI-written summaries, news items and logos are not covered by the open licence. Spot an error? Email hello@grantable.co.
Costa-Olson Family Foundation down — hundreds of funders to go?