Katherine Olson Foundation

Private foundation · Grantmaker Seattle, WA EIN: 91-1703239

Katherine Olson Foundation is a private foundation focused on Youth Development, based in Seattle, WA. IRS filing data is available from 2019 through 2025. As of 2025, the organization holds $221K in total assets. In 2025, it awarded 3 grants totaling $21K. Net investment income was $24K.

Katherine Olson Foundation at a glance

In short: Katherine Olson Foundation gave $21K across 3 grants in 2025 (avg $7K), mostly in Washington. Source: 2025 IRS Form 990-PF.

Annual giving (2025)
$21,000
-32.3% vs 2024
Grants made (2025)
3
-40.0% vs 2024
Average grant
$7,000
+12.9% vs 2024
Median grant
$10,000
Total assets
$221,280
-1.1% vs 2024
Primary geography
Washington (95% 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 Katherine Olson Foundation funds

How this funder distributes its grants

Top Recipients

Top 3 recipients in 2025

Kuow: $10KKuow$10KCascade Public Media: $10KCascade Public Media$10KALS Association: $1KALS Association$1K

The largest 2025 recipient was Kuow ($10K). Together the top 3 received $21K.

Grant Size Distribution

23 grants across all recorded years

23<$50K$50–100K$100–250K$250–500K$500K–1M$1–5M$5M+

The most common grant size was under $50K: 23 grants of 23 (100%).

Geographic Focus

Where this funder awards grants

Grant Distribution by State

6states

Share of 2025 grant dollars across all 3 itemized grants.

Cities

SeattleCorvallisYakimaArlingtonCocoaHerrimanOlympiaWashington

How Katherine Olson Foundation gives

  • Giving grew 40% from 2022 to 2025. Method
  • In 2025 it paid out 177% of its IRS minimum distribution (the 5% rule). Method

From the foundation's IRS Form 990-PF filings. Methodology.

Giving History

Giving Over Time

Total grant dollars and number of grants per year

$0$10K$20K$30K$40K13 grants2019 11 grants2020 7 grants2021 5 grants2022 3 grants2023 5 grants2024 3 grants2025

From 2019 to 2025, annual grant giving ranged from $12K (2023) to $31K (2024). In 2025 it made 3 grants totaling $21K.

Grants by year

Grant recipients and amounts by year

RecipientPurposeAmount
Kuow Seattle, WASupport of public charity$10,000
Cascade Public Media Seattle, WASupport of public charity programs$10,000
ALS Association Arlington, VASupport of public charity programs$1,000
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Financial History

Multi-year comparison from IRS filings

Figures from IRS filings, by filing year
Filing yearTotal AssetsRevenueExpensesGrants paidGrantsQualifying DistributionsNet Investment IncomeDistributable Amount
2025$221,280$25,924$28,394$21,0003$21,000$23,625$11,846
2024$223,750$23,413$35,529$31,0005$31,000$20,632$11,929
2023$235,866$5,489$18,388$12,0003$12,000$3,417$11,992
2022$248,765$13,718$26,353$15,0005$15,000$6,581$12,927
2021$261,400$34,031$27,443$23,0007$23,000$30,639$13,688
2020$254,812$6,235$23,887$20,00011—$3,139$13,916
2019$272,464$7,376$24,108$20,00013—$4,393$13,564

Under IRS private-foundation payout rules, Katherine Olson Foundation reported a distributable amount of $12K for 2025 — the minimum it must pay out in qualifying distributions.

Leadership & Key People

Officers and directors from IRS filings

Katherine Olson Foundation's 2025 filing lists 2 officers; none of the 2 officers listed in 2025 report compensation.

Officers on the 2025 filing

  • Carol A Olson

    Director

    President → Director, 2020

    On filings since 2019

    1 hr/week

    No compensation reported

  • Tom Olson

    Director

    On filings since 2020

    1 hr/week

    No compensation reported

Former officers (1)
  • Former: R Thomas Olson (2019) — Secretary-Treas

Data from IRS Form 990 filings, 2019–2025. "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 Katherine Olson Foundation

How much does Katherine Olson Foundation give each year?

Katherine Olson Foundation gave $21K across 3 grants in 2025, according to its 2025 IRS Form 990-PF. In 2024 it gave $31K across 5 grants.

What is Katherine Olson Foundation's typical grant size?

Katherine Olson Foundation's median grant in 2025 was $10,000, and its average grant was $7,000, across 3 grants on its 2025 IRS Form 990-PF.

Where does Katherine Olson Foundation give grants?

Katherine Olson Foundation gives mostly in Washington: 95% of the grant dollars itemized on its 2025 IRS Form 990-PF went to recipients there. The most frequent recipient cities were Seattle, WA (2 grants).

Does Katherine Olson Foundation give general operating support?

Not in 2025: none of the 3 grants with a stated purpose on Katherine Olson Foundation's 2025 IRS Form 990-PF were described as general or operating support.

How large is Katherine Olson Foundation?

Katherine Olson Foundation reported $221K in total assets on its 2025 IRS Form 990-PF. It paid out $21K in qualifying distributions that year, against a required minimum of $12K (roughly 5% of its investment assets).

What is Katherine Olson Foundation?

Katherine Olson Foundation is a private foundation focused on Youth Development, based in Seattle, WA. It holds $221K in total assets as of 2025.

What is Katherine Olson Foundation's EIN?

Katherine Olson Foundation's EIN (Employer Identification Number) is 91-1703239. IRS Form 990 filing data is available on this page for 2019–2025.

Data last updated September 2026. Sourced from IRS Form 990-PF filings.

Data update history

(3)

When this profile's IRS filing data changed on Grantable

  1. Added Form 990-PF for fiscal year 2019 (received by the IRS June 10, 2020)
  2. Added Form 990-PF for fiscal year 2025 (received by the IRS May 11, 2026)
  3. IRS filings on file for fiscal years 2020–2024

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The filing figures on this page are open data under CC BY 4.0. About GrantGraph Open

Figures come from Katherine Olson 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.

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