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· Private foundation

Mary a Crocker Trust

Its FY2024 filing reports that it accepted unsolicited grant applications.

$522k
Granted FY2024still arriving
44
Grants FY2024still arriving
5
States reached
$25k
Largest
01What it funds
01100% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2017 to 2024.

Environment$1.3MEducation$842kArts & Culture$469kFood & Nutrition$264kYouth Development$188kHuman Services$168kAnimals$136kRecreation & Sports$121kOther$0
02FY2024 · 44 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2024

  • Under $10k16 grants · $35k
  • $10k–50k28 grants · $487k
$12,000
Median grant
5
States reached
$9.5M
Total assets
Largest grants
RecipientAmount
Individual grant recipient$25,000
EARTH ISLAND INSTITUTE$25,000
NAPA VALLEY STATE PARKS ASSOC$25,000
NEW SCHOOL SAN FRANCISCO$25,000
ST ANTHONY FOUNDATION$25,000
500 CAPP STREET FOUNDATION$25,000
JACK LONDON PARK PARTNERS$20,000
826 VALENCIA$20,000
SCIENCE FROM SCIENTISTS$20,000
WILD OYSTER PROJECT$20,000
MARIN AGRICULTURAL LAND TRUST$20,000
SUSTAINABLE MARIN$20,000
TRANSENDENCE THEATRE COMPANY$20,000
CENTER FOR LAND-BASED LEARNING$20,000
REEL2E$15,000
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:

Its human-services grants (FY17–24, $203k) land where the poverty rate runs at 10%, against an area that typically sits at 9%. 55% of those dollars go to grantees based in above-average-need neighborhoods. Its grants spread fairly evenly across need levels.

area typical 9%HUMAN OUTREACH PROJECT: $1k → 8%UP VALLEY FAMILY CENTERS: $15k → 9%HUMAN OUTREACH PROJECT: $1k → 8%UP VALLEY FAMILY CENTERS: $3k → 9%LA LUZ CENTER: $25k → 9%LA LUZ CENTER: $15k → 9%SF NEW DEAL: $6k → 10%LA LUZ CENTER: $1k → 9%LA LUZ CENTER: $500 → 9%SF NEW DEAL: $500 → 10%ABUNDANT GRACE COASTSIDE WORKER: $10k → 7%UP VALLEY FAMILY CENTERS: $10k → 9%UP VALLEY FAMILY CENTERS: $3k → 9%UP VALLEY FAMILY CENTERS: $3k → 9%THE BRANNAN CENTER: $2k → 7%UP VALLEY FAMILY CENTERS: $2k → 9%UP VALLEY FAMILY CENTERS: $2k → 9%HOLY FAMILY DAY HOME: $8k → 10%HOLY FAMILY DAY HOME: $8k → 10%NORTH BEACH CITIZENS: $15k → 10%NORTH BEACH CITIZENS: $15k → 10%NORTH BEACH CITIZENS: $10k → 10%CHILDREN'S BOOK PROJECT: $20k → 10%CHILDREN'S BOOK PROJECT: $10k → 10%CHILDREN'S BOOK PROJECT: $10k → 10%CHILDREN'S BOOK PROJECT: $10k → 10%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.

Which US states its grants reach

ME
WA
MT
WI
NY
MA
OR
OH
NJ
CT
CA
UT
CO
NE
NM
NC
DC
FL
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.

71%of every dollar goes to organizations it has funded before.
$2.7M · 92 repeat orgs$1.1M to everyone else

Grantees it renews have grown median revenue +56% since the first grant, against +26% for those funded once.

92 repeat relationships: 26 still active in FY2024, 66 since wound down; 17 grantees were first funded in FY2024 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

92
82

Total granted

$2.7M
$861k

Median revenue growth · since first grant

+56%
+26%

Still filing today

86%
72%

New vs renewed · share of each year

In FY2024, 50% of grant dollars renewed an existing relationship; $260k went to new ones.

50%100%’17’18’19’20’21’22’23’24
RenewedFirst-time

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

’17’18’19’20’21’22’23’24
EnvironmentEducationArts & CultureHuman ServicesHealthFood & 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

  • 8V
    826 Valencia
    4× · 2019–2024 · $85k · revenue +71%
  • WW
    WATERSIDE WORKSHOPS
    4× · 2017–2022 · $80k · revenue +135%
  • EE
    ENVISION EDUCATION INC
    3× · 2017–2021 · $75k · revenue +53%

Funded once

  • IG
    Individual grant recipient
    one grant, 2017 · $26k
  • SF
    SEMPERVIRENS FUND
    one grant, 2021 · $25k · revenue +7%
  • PO
    PENINSULA OPEN SPACE TRUSTgraduated
    one grant, 2022 · $25k · revenue +106%
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
Bay Nature Institute dba Bay Nature Bay Nature Magazine

Bay Nature connects the people of the San Francisco Bay Area to our natural world and motivates people to solve problems with nature in mind. Our vision is that all people have a close relationship with theirnatural world.

Environment
2
San Francisco Bay Bird Observatory

The San Francisco Bay Bird Observatory is dedicated to the conservation of birds and their habitats through science and outreach.

Environment
3
The Sierra Fund

The Sierra Fund (TSF) is a non-profit organization with a mission to restore ecosystem and community resiliency in the Sierra Nevada.

Environment
4
Sonoma Botanical Garden
—
5
Green Foothills Foundation dba Green Foothills

Our mission is to protect local nature and farmland to ensure a healthy environment for everyone.

—
6
Sonoma Mountain Institute
Environment
7
Sequoia Riverlands Trust

We conserve the lands and waters of California's heartland.

Environment
8
California Institute for Biodiversity

Create and publish educational materials, conduct professional development, promote awareness, and sponsor research on the spectacular biological diversity of the State of CA.

Education
9
California Coastkeeper dba California Coastkeeper Alliance

California Coastkeeper Alliance unites Waterkeeper programs statewide to fight for swimmable, fishable, and drinkable waters for all Californians.

Environment
10
The Climate Center

The Climate Center is a climate and energy policy nonprofit working to rapidly reduce climate pollution at scale, starting in California.

Education
11
Ecology Action of Santa Cruz

The primary and specific purpose for which the said corporation is formed is to empower individuals, businesses and communities to take actions today that achieve environmental and economic sustainability. The activities of the corporation…

Environment
12
California Farmland Trust

The mission of the California Farmland Trust is to help farmers protect the best farmland in the world.

Environment
How this is measured
The grantee most central to the portfolio’s shape is River Partners; the most unlike its peers is The Milton Resnick and Pat Passlof Foundation. 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

156 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. 156 of the 194 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)
47
Early backer (in before they grew)
154/156
Grantees still filing
115/156
Grew since first funded

Where the money sits, by cause and then by grantee

SAN FRANCISCO BOTANICAL GARDEN SOCIETY AT STRYBING ARBORETUM: $66,000 · EnvironmentSAN FRANCISCO BOTANICAL GARDE…AUDUBON CANYON RANCH INC: $60,000 · EnvironmentAUDUBON CANYON RANCH INCFriends of SCRAP Inc: $60,000 · EnvironmentFriends of SCRAP IncGREENBELT ALLIANCEPEOPLE FOR OPEN SPACE: $55,000 · EnvironmentGREENBELT ALLIANCEPEOPLE FOR …Center for Land-Based Learning: $54,000 · EnvironmentCenter for Land-Based Learnin…Earth Island Institute Inc: $50,000 · EnvironmentSustainable Conservation: $45,000 · EnvironmentVIDA VERDE NATURE EDUCATION: $45,000 · EnvironmentMID KLAMATH WATERSHED COUNCIL: $45,000 · EnvironmentCalifornia Native Plant Society: $43,500 · EnvironmentLOCAL ECOLOGY AND AGRICULTURE FREMONT: $37,000 · EnvironmentSLIDE RANCH: $35,000 · Environment+27 more: $392,500 · Environment+27 moreFOOD RUNNERS: $48,000 · OtherSQUARE PEG FOUNDATION: $45,000 · OtherTENDERLOIN NEIGHBORHOOD DEVELOPMENT CORPORATION: $50,500 · Other+88 more: $1,130,167 · Other+88 more826 Valencia: $85,000 · Education826 ValenciaENVISION EDUCATION INC: $75,000 · EducationENVISION EDUCATIO…NEW SCHOOL OF SAN FRANCISCO (NSSF): $70,000 · EducationNEW SCHOOL OF SAN…SCHOLARMATCH INC: $65,000 · EducationSCHOLARMATCH INCGOLDEN STATE SALMON ASSOCIATION INC: $45,000 · EducationGOLDEN STATE SALM…SCIENCE FROM SCIENTISTS INC: $30,000 · EducationTHE CRUCIBLE: $25,000 · EducationCOMMUNITY ALLIANCE FOR LEARNING DBA WRITERCOACH CONNECTION: $25,000 · EducationFRIENDS OF ST STEPHENS: $25,000 · EducationLead Liberated: $25,000 · EducationGOLDEN BRIDGES SCHOOL: $20,000 · Education10000 DEGREES: $20,000 · EducationREEL2e: $20,000 · Education+12 more: $60,500 · Education+12 moreWATERSIDE WORKSHOPS: $80,000 · Arts & CultureWATERSIDE WOR…San Francisco Performances Inc: $60,000 · Arts & CultureSan Francisco…The Spaulding Wooden Boat Center: $45,000 · Arts & CultureThe Spaulding…500 CAPP STREET FOUNDATION: $40,000 · Arts & Culture500 CAPP STRE…Music In Schools Today: $35,000 · Arts & CultureMusic In Scho…Mission Bit: $35,000 · Arts & CultureMission BitSTART SOCO: $32,500 · Arts & CultureSTART SOCOASIAN ART MUSEUM FOUNDATION OF SAN FRANCISCO: $30,000 · Arts & CultureASIAN ART MUS…TRANSCENDENCE THEATRE COMPANY: $20,000 · Arts & CultureTHE LITQUAKE FOUNDATION: $20,000 · Arts & Culture+8 more: $73,500 · Arts & Culture+8 moreCHILDREN'S BOOK PROJECT: $50,000 · Human ServicesLA LUZ CENTER: $41,500 · Human ServicesNORTH BEACH CITIZENS: $40,000 · Human ServicesUPVALLEY FAMILY CENTERS OF NAPA COUNTY: $35,833 · Human ServicesHOLY FAMILY DAY HOME: $15,000 · Human ServicesFARMLINK PROJECT: $10,000 · Human ServicesAbundant Grace Coastside Worker Inc: $10,000 · Human Services+3 more: $10,500 · Human ServicesCHRONICLE SEASON OF SHARING FUND: $55,000 · Food & NutritionPLANET BEE FOUNDATION: $45,000 · Food & NutritionExtrafood: $40,000 · Food & NutritionMARIN AGRICULTURAL LAND TRUST: $25,000 · Food & NutritionFarm to Pantry: $10,000 · Food & Nutrition+1 more: $5,000 · Food & NutritionENTERPRISE FOR YOUTH: $60,000 · Youth DevelopmentUNITED ANGLERS OF CASA GRANDE INC: $25,000 · Youth DevelopmentCAMP PHOENIX: $20,000 · Youth DevelopmentLiteracy for Environmental Justice: $20,000 · Youth DevelopmentCIVICORPS: $15,000 · Youth Development
Environment$988,000Other$1,273,667Education$590,500Arts & Culture$471,000Human Services$212,833Food & Nutrition$180,000Youth Development$140,000

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

25%50%75%100%$1.0M$10M$100Mgrantee revenue →↑ funder's share of their budget826 Valencia: $85,000 over 4y, 0.5% of budgetWATERSIDE WORKSHOPS: $80,000 over 4y, 4.8% of budgetENVISION EDUCATION INC: $75,000 over 3y, 0.1% of budgetNEW SCHOOL OF SAN FRANCISCO (NSSF): $70,000 over 4y, 0.5% of budgetSAN FRANCISCO BOTANICAL GARDEN SOCIETY AT STRYBING ARBORETUM: $66,000 over 5y, 0.3% of budgetSCHOLARMATCH INC: $65,000 over 3y, 0.9% of budgetSan Francisco Performances Inc: $60,000 over 3y, 0.8% of budgetAUDUBON CANYON RANCH INC: $60,000 over 3y, 0.5% of budgetFriends of SCRAP Inc: $60,000 over 3y, 2.8% of budgetENTERPRISE FOR YOUTH: $60,000 over 3y, 1.0% of budgetGREENBELT ALLIANCEPEOPLE FOR OPEN SPACE: $55,000 over 3y, 0.9% of budgetCHRONICLE SEASON OF SHARING FUND: $55,000 over 8y, 0.1% of budgetCenter for Land-Based Learning: $54,000 over 4y, 0.6% of budgetTENDERLOIN NEIGHBORHOOD DEVELOPMENT CORPORATION: $50,500 over 3y, 0.1% of budgetCHILDREN'S BOOK PROJECT: $50,000 over 4y, 5.4% of budgetEarth Island Institute Inc: $50,000 over 2y, 0.1% of budgetFOOD RUNNERS: $48,000 over 3y, 5.9% of budgetSustainable Conservation: $45,000 over 2y, 0.5% of budgetVIDA VERDE NATURE EDUCATION: $45,000 over 3y, 1.1% of budgetThe Spaulding Wooden Boat Center: $45,000 over 2y, 2.2% of budgetPLANET BEE FOUNDATION: $45,000 over 2y, 22% of budgetSQUARE PEG FOUNDATION: $45,000 over 2y, 2.8% of budgetMID KLAMATH WATERSHED COUNCIL: $45,000 over 2y, 0.8% of budgetGOLDEN STATE SALMON ASSOCIATION INC: $45,000 over 2y, 4.8% of budgetCalifornia Native Plant Society: $43,500 over 3y, 0.4% of budgetLA LUZ CENTER: $41,500 over 4y, 1.0% of budgetCALIFORNIA TROUT INC: $40,000 over 3y, 0.1% of budgetNORTH BEACH CITIZENS: $40,000 over 3y, 1.7% of budgetTuolumne River Preservation Trust dba Yosemite Rivers Alliance: $40,000 over 2y, 2.0% of budgetPelican Media: $40,000 over 3y, 12% of budgetExtrafood: $40,000 over 2y, 1.0% of budget500 CAPP STREET FOUNDATION: $40,000 over 2y, 5.1% of budgetLOCAL ECOLOGY AND AGRICULTURE FREMONT: $37,000 over 4y, 8.8% of budgetUPVALLEY FAMILY CENTERS OF NAPA COUNTY: $35,833 over 7y, 0.4% of budgetMusic In Schools Today: $35,000 over 2y, 9.6% of budgetEACH GREEN CORNER: $35,000 over 2y, 18% of budgetMission Bit: $35,000 over 2y, 1.8% of budgetSLIDE RANCH: $35,000 over 2y, 1.3% of budgetSTART SOCO: $32,500 over 2y, 13% of budgetCHILDREN RISING INC: $30,000 over 2y, 1.5% of budgetSonoma Ecology Center: $30,000 over 2y, 0.6% of budgetFORESTRY EDUCATORS INCORPORATED: $30,000 over 3y, 4.5% of budgetSCIENCE FROM SCIENTISTS INC: $30,000 over 2y, 0.6% of budgetCARBON CYCLE INSTITUTE: $30,000 over 2y, 2.4% of budgetABLE WORKS: $30,000 over 2y, 0.8% of budgetASIAN ART MUSEUM FOUNDATION OF SAN FRANCISCO: $30,000 over 2y, 0.0% of budgetTHE CRUCIBLE: $25,000 over 2y, 0.5% of budgetSEMPERVIRENS FUND: $25,000 over 1y, 0.2% 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.

The San Francisco FoundationCA62.9× affinity53 shared granteesties to 11 of 11Hover any node to trace its alignments.Compare side by side →

Open a dossier: The San Francisco Foundation · Marin Community Foundation · Clif Family Foundation · McNabb Foundation · Bothin Foundation · Jewish Community Federation of San Francisco the Peninsula Marin & Sonoma · The Joseph and Vera Long Foundation · Sonoma County Community Foundation · Silicon Valley Community Foundation · Miranda Lux Foundation · The William & Flora Hewlett Foundation · The Henry Mayo Newhall 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.

How much its grantees rely on government

Each dot is one organization Mary a Crocker Trust funds: left to right is the share of its income from government, bottom to top the share from Mary a Crocker Trust. Bigger dots raise more.

2024
’20’21’22’23’24’25
no gov · 30%1%5%11%20%funder's share of their income ↑0%25%50%75%100%share of the org’s income from government →
    no gov moneyreceives it· size = income
    3get no government money at all
    58report government grants on their 990 we could not trace to a source (not plotted)
    0rely on government for over half their income
    typical government reliance, FY20–25
    How this is measured
    Government income is each org’s traced federal awards (USASpending grants and contracts) plus state payments (open checkbooks) as a share of its total revenue (IRS Form 990); the self-reported government-grant line (990 line 1e) is carried for cross-check: a grantee that reports government grants we could not trace to a source is left off the chart rather than shown as receiving none. An association, not a claim that a grant caused the public funding. Coverage is precision-first, a floor rather than a census; state records exist for 9 states, so a grantee outside them shows no state figure (dimmed) rather than a false zero. Federal award amounts are obligations, which can span years, so a single-year share is indicative. 990 filings lag 12 to 24 months.
    05Through Plinth

    Warm introductions · Powered by PlinthPlus

    How do I get to Mary a Crocker Trust?

    Find your warmest path to Mary a Crocker Trust 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 194 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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