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Oak Creek Foundation at a glance

· Private foundation

Oak Creek Foundation

Its FY2024 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$104k
Granted FY2024still arriving
4
Grants FY2024still arriving
3
States reached
$27k
Largest
01What it fundsRead
02The needRead
03Its granteesRead
04Its fieldRead
05Through PlinthRead
01What it funds
0186% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2024.

Education$93kPhilanthropy$91kPublic Safety & Disaster$49kFood & Nutrition$35kHealth$27kEnvironment$18kArts & Culture$13kCivil Rights$13kOther$0
02FY2024 · 4 grants

Where the money goes

Grants by size, and the largest recipients.

How this is measured
The 4 grants below total $69,000, the rows itemized in this filing. The $104,000 headline is the total grant expense on the return; the other $35,000 is giving the schedule does not break out (grants under the $5,000 itemization floor, grants to individuals, grants on other schedules). Every figure below describes the itemized rows only.

By grant size · FY2024

  • Under $10k2 grants · $17k
  • $10k–50k2 grants · $52k
$25,000
Median grant
3
States reached
$2.5M
Total assets
Largest grants
RecipientAmount
Nicasio Volunteer Fire Department$27,000
Refed Inc.$25,000
OPAL Community Land Trust$8,500
Orcas Island Community Foundation$8,500
02The need
03

Does the money reach high-need areas?

Each grant placed by the hardship in its grantee’s ZIP, against the area’s typical level.

show:

Dollar for dollar, its grants (FY20–25) land where the poverty rate runs at 8%, against an area that typically sits at 7%. 100% of its dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 7%EXTRAFOOD ORG: $25k → 8%SEE ATTACHMENT 3: $106k → 9%OPAL COMMUNITY LAND TRUST: $8k → 10%MARIN ACADEMY: $15k → 8%SEE ATTACHMENT 3: $104k → 9%ORCAS ISLAND COMMUNITY FOUNDATION: $8k → 10%NICASIO LAND PRESERVE: $15k → 8%COMMON POWER FUTURE: $50k → 9%NICASIO VOLUNTEER FIRE DEPARTMENT: $10k → 8%SEE ATTACHMENT 3: $104k → 9%HALLECK CREEK RANCH: $5k → 8%SEE ATTACHMENT 3: $100k → 9%0%20%40%50%more need →
grant to an above-average-need area below average· circle size = grant amount
How this is measured
Matched: human-services grants are those whose grantee’s IRS cause code is Human Services. Placed by people below the poverty line in the grantee’s ZIP, averaged from the tracts in that ZIP.
How this is measured
US grants placed by each grantee’s ZIP, which can differ from where services are delivered. Need from public data (U.S. Census/ACS, CDC PLACES, Eviction Lab, USDA), shown as context about the area, never attributed to the funder’s giving.
03Its grantees
repeat funding

Who it funds again

Organizations funded in more than one year, against those funded once.

54%of every dollar goes to organizations it has funded before.
$157k · 4 repeat orgs$135k to everyone else

4 repeat relationships: 1 still active in FY2024, 3 since wound down; 2 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

4
10

Total granted

$157k
$102k

Median revenue growth · since first grant

+20%
+222%

Still filing today

100%
40%

New vs renewed · share of each year

In FY2024, 45% of grant dollars renewed an existing relationship; $34k went to new ones.

50%100%’20’21’22’24
RenewedFirst-time

Where new relationships form · theme of each grantee’s first grant

’20’21’22’24
EducationPublic Safety & DisasterPhilanthropyArts & CultureEnvironmentFood & NutritionOther
How this is measured
First-time means a grantee’s first year in the filing window; renewed means funded in an earlier year too. The renewed share climbs naturally as a portfolio matures, so the signal is a year that bucks it (a wave of new grantees). The earliest year is left-censored: relationships that predate the data read as new. Theme is the grantee’s IRS cause.

Backed again, and grew

  • SF
    SAN FRANCISCO FRIENDS SCHOOL
    2× · 2020–2021 · $65k · revenue +20%
  • NV
    NICASIO VOLUNTEER FIRE DEPT
    3× · 2020–2024 · $49k · revenue +185%
  • TT
    THE TRAVELING SCHOOL
    2× · 2021–2022 · $20k · revenue +16%

Funded once

  • CF
    Center for Effective Altruism
    one grant, 2022 · $22k
  • TC
    TUBMAN CENTER FOR HEALTH & FREEDOMgraduated
    one grant, 2021 · $20k · revenue +998%
  • TC
    Thousand Currents - CLIMA Fund
    one grant, 2022 · $13k
How this is measured

Repeat means funded in two or more distinct years. Growth and survival are read from each grantee’s own subsequent IRS filings.

04Its field

Closest unfunded matches

The nonprofits that most resemble its grantees but are not funded by it, scored along the direction from the rest of the field toward the portfolio. A resemblance in what they say they do, not a recommendation.

1
Earthcorps

To cultivate leaders and community partnerships to advance environmental justice.

International
2
Sustainable Path Foundation

Sustainable Path Foundation promotes sustainability and health in the Puget Sound region through collaborative approaches informed by scientific understanding and systems thinking.

Social Science
3
Clean Energy Transition Institute

The Clean Energy Transition Institute (CETI) is an independent, nonpartisan research and analysis nonprofit whose mission is to accelerate an equitable clean energy transition in the Northwest.

Education
4
Puget Sound Restoration Fund

To restore habitat, water quality and native species in the puget sound

Environment
5
The Alliance for Pioneer Square

Neighborhood revitalization and community economic development within the Pioneer Square district of Seattle

Community Improvement
6
Fsc I&P

Fsc i&p promotes environmentally appropriate, socially beneficial, and economically viable management of the world's forests. this mission aligns with the forest stewardship council (fsc), its network of offices, and other organizations.…

Philanthropy
7
Great Peninsula Conservancy

Preserve in perpetuity the natural habitats, rural landscapes, and open spaces of the great peninsula of washington's puget sound.

Environment
8
Re Sources

RE Sources mobilizes people of Northwest Washington to build just and thriving communities and to protect the land, water, and climate on which we all depend.

Environment
9
Pacific Northwest University of Health Sciences

Pacific Northwest University of Health Sciences educates and trains health care professionals emphasizing service among rural and medically under-served communities throughout the Northwest.

Education
10
Rogue Climate

Rogue Climate's mission is to empower Southern Oregon communities most impacted by climate change including low-income, rural, youth, seniors & communities of color, to win climate justice by organizing for clean energy, sustainable jobs &…

Education
11
Aquarium of the Pacific Corporation

The aquarium of the pacific's mission is to instill a sense of wonder, respect, and stewardship for the pacific ocean, its inhabitants, and ecosystems.

Animals
12
Ucsf Foundation Investment Company

The organization provides professional investment management services for endowed gifts and financial assets entrusted to the ucsf foundation.

Education
How this is measured
The grantee most central to the portfolio’s shape is Proteus Fund Inc; the most unlike its peers is Chief Seattle Club. Resemblance is measured on each organization’s own IRS 990 mission text; it reflects how work is described, not its quality or impact.
04the grantee network

12 grantees tracked through their own filings, 2017–2025.

Each grant beside the grantee’s revenue from every source, year by year.

How this is measured

Counted here: distinct organizations funded across 2017 to 2025, not grant rows in a single year, so this will not match the grant count on the cover. 12 of the 18 grantees resolved in that span have returns of their own we could reconcile.

Each grantee is resolved to its own IRS returns. Association, dated; never a causal claim.

0
Load-bearing (≥25% of a budget)
3
Early backer (in before they grew)
12/12
Grantees still filing
7/12
Grew since first funded

Where the money sits, by cause and then by grantee

SAN FRANCISCO FRIENDS SCHOOL: $65,000 · EducationSAN FRANCISCO FRIENDS SCHOOLTHE TRAVELING SCHOOL: $20,000 · EducationTHE TRAVELING SCHOOLPROTEUS FUND INC: $12,500 · EducationPROTEUS FUND INCORCAS ISLAND COMMUNITY FOUNDATION: $46,000 · PhilanthropyORCAS ISLAND COMMUNITY…Washington Progress Fund: $23,000 · PhilanthropyWashington Progress Fu…Center for Effective Altruism: $21,500 · OtherCenter for Effective Altr…Thousand Currents - CLIMA Fund: $12,500 · OtherThousand Currents - CLIMA…United States Healthful Food: $10,000 · OtherUnited States Healthful F…National Center for Science Ed: $8,000 · OtherNational Center for Scien…Seattle Indian Health: $5,000 · OtherSeattle Indian HealthOPAL COMMUNITY LAND TRUST: $8,500 · OtherOPAL COMMUNITY LAND TRUSTCHIEF SEATTLE CLUB: $5,000 · OtherCHIEF SEATTLE CLUBEarthGen Fka WA Green Schools: $5,000 · OtherEarthGen Fka WA Green Sch…+1 more: $2,000 · OtherNICASIO VOLUNTEER FIRE DEPT: $49,000 · Public Safety & DisasterNICASIO VOLUNTE…REFED INC: $25,000 · Food & NutritionTUBMAN CENTER FOR HEALTH & FREEDOM: $20,000 · HealthKUOW PUGET SOUND PUBLIC RADIO: $12,500 · Arts & Culture
Education$97,500Philanthropy$69,000Other$77,500Public Safety & Disaster$49,000Food & Nutrition$25,000Health$20,000Arts & Culture$12,500

Each grantee by its size and the funder’s share of it; top left is load-bearing

25%50%75%100%$1.0M$10Mgrantee revenue →↑ funder's share of their budgetSAN FRANCISCO FRIENDS SCHOOL: $65,000 over 2y, 0.2% of budgetNICASIO VOLUNTEER FIRE DEPT: $49,000 over 3y, 20% of budgetORCAS ISLAND COMMUNITY FOUNDATION: $46,000 over 3y, 0.4% of budgetREFED INC: $25,000 over 1y, 0.2% of budgetWashington Progress Fund: $23,000 over 2y, 0.7% of budgetTHE TRAVELING SCHOOL: $20,000 over 2y, 2.1% of budgetTUBMAN CENTER FOR HEALTH & FREEDOM: $20,000 over 1y, 2.8% of budgetKUOW PUGET SOUND PUBLIC RADIO: $12,500 over 1y, 0.1% of budgetPROTEUS FUND INC: $12,500 over 1y, 0.0% of budgetOPAL COMMUNITY LAND TRUST: $8,500 over 1y, 0.2% of budgetCHIEF SEATTLE CLUB: $5,000 over 1y, 0.0% of budget
Grantee by grantee: a decade per organization, before and after funding

A decade per grantee: revenue shaded, grants as bars, all rows on one timeline.

Co-funders

Grantmakers whose grantees overlap with this funder’s far more than size alone predicts. Closer means stronger alignment; arcs show where they also fund each other. Here they form a tightly interlocked group: most of these funders back each other's grantees too.

Greater Washington Co…Seattle FoundationImpactassetsincVanguard Charitable E…National Philanthropi…The Blackbaud Giving …American Endowment Fo…Morgan Stanley Global…American Online Givin…Donor Advised Charita…Fidelity Investments …Amazonsmile Foundation
Greater Washington Community FoundationDC17.1× affinity6 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: Greater Washington Community Foundation · Seattle Foundation · Impactassetsinc · Vanguard Charitable Endowment Program · National Philanthropic Trust · The Blackbaud Giving Fund · American Endowment Foundation · Morgan Stanley Global Impact Funding Trust Inc · American Online Giving Foundation Inc · Donor Advised Charitable Giving Inc · Fidelity Investments Charitable Gift Fund · Amazonsmile Foundation

How this is measured
Affinity is a Gamma-Poisson posterior co-funding rate, re-centered on the typical rate, so thin evidence shrinks toward no signal. Overlap is association, not proof of shared intent.
05Through Plinth

Warm introductions · Powered by PlinthPlus

How do I get to Oak Creek Foundation?

Find your warmest path to Oak Creek Foundation through trustees and officers whose names appear on both boards. Search for your organization and Plinth traces the shortest route it can evidence.

Each link is a name appearing on two organizations’ public IRS 990 filings, matched on that name and, where the filings support it, on location. A same-state match has geographic support, which is a second matching feature rather than confirmation that the two are one person; a cross-state one is the likeliest to be two people who share a name. Every hop shows its tier, low-confidence and distant paths are held back rather than guessed, and it is worth confirming the person before you use the introduction.

On method. Every financial figure here is read from IRS e-file XML, the funder’s own 990/990-PF, and from the multi-year returns of the 18 grantees we resolved, each linked to its source. Grantee outcomes are each organization’s own program-service reporting (Form 990, Part III), read as association with funding, never as caused by it. Low-confidence name matches are suppressed rather than guessed. How we build these →

How this is measured
Each figure carries one of six labels. Filed is what the funder reported on its return. Official is another government record about an organization, such as a federal award or a charity register, joined by name where no shared identifier exists. Resolved is an identity we worked out where the filing named a recipient without an EIN, kept only above a measured confidence threshold. Computed is arithmetic over those, like themes, portfolio clusters and co-funder strength. Context is a statistic about a place rather than about an organization, which is what the need overlay is: it describes the area a grantee’s address sits in, not where its work lands. Inferred is drawn by a model from text, like the partnerships read out of public news and organization websites. Each is labeled where it appears.

Generated from the IRS Form 990-PF e-file return for fiscal year 2024, released 2024. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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More from the funding graph

The unnamed billions
grants reported with no recipient in the public record
The regranting layer
51% of grant dollars land in the regranting layer
The DAF merry-go-round
$9.7B circulates between donor-advised funds
The endowment market
who holds foundation money, and what just moved
The camps
funders cluster by geography, not ideology
By state
where grant money is based, and what stays home