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· Private foundation

Westchester Foundation

Its FY2025 filing reports that it funds preselected organizations and did not take unsolicited requests; check the foundation's own site before ruling it out.

$365k
Granted FY2025still arriving
26
Grants FY2025still arriving
11
States reached
$80k
Largest
01What it funds
0198% classified

What it funded, over time

Every grant placed by its stated purpose and the recipient’s mission, by year, FY2020 to 2025.

Arts & Culture$578kHealth$321kInternational$170kEnvironment$97kEducation$70kRecreation & Sports$65kHuman Services$52kPublic Benefit$51kOther$0
02FY2025 · 26 grants

Where the money goes

Grants by size, and the largest recipients.

By grant size · FY2025

  • Under $10k14 grants · $50k
  • $10k–50k8 grants · $85k
  • $50k–250k4 grants · $230k
$8,800
Median grant
11
States reached
$7.2M
Total assets
Largest grants
RecipientAmount
GEORGE WASHINGTONS MOUNT VERNON$80,000
U S DEPARTMENT OF STATE$50,000
THOMAS JEFFERSON FOUNDATION$50,000
Individual grant recipient$50,000
BLAIR HOUSE RESTORATION FUND$15,000
THE AMERICAN FRIENDS OF VERSAILLES$10,000
THE BLOOD TISSUE CENTER FOUNDATION$10,000
USA SHOOTING$10,000
TUNNEL TO TOWERS FOUNDATION$10,000
SNIPSA$10,000
DALLAS ARBORETUM$10,000
CHESAPEAKE BAY FOUNDATION$10,000
FOURTHMAN NEVER WALK ALONE$8,800
PIEDMONT ENVIROMENTAL COUNCIL$5,000
VALLEY CONSERVATION COUNCIL$5,000
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 (FY22–25, $22k) land where the poverty rate runs at 15%, against an area that typically sits at 11%. 93% of those dollars go to grantees based in above-average-need neighborhoods. Most of its grants land in higher-need ZIPs.

area typical 11%ALDIE VOLUNTEER FIRE DEPARTMENT: $500 → 4%ALDIE VOLUNTEER FIRE DEPARTMENT: $500 → 4%FAMILY VIOLENCE PREVENTION SERVICES: $5k → 16%ALDIE VOLUNTEER FIRE DEPARTMENT: $300 → 4%ALDIE VOLUNTEER FIRE DEPARTMENT: $300 → 4%FAMILY VIOLENCE PREVENTION SERVICES: $5k → 16%FAMILY VIOLENCE PREVENTION SERVICES: $5k → 16%FAMILY VIOLENCE PREVENTION SERVICES: $5k → 16%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

IL
NY
CA
CO
MO
VA
MD
KS
TN
DC
TX
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.

95%of every dollar goes to organizations it has funded before.
$1.4M · 27 repeat orgs$81k to everyone else

27 repeat relationships: 23 still active in FY2025, 4 since wound down; 3 grantees were first funded in FY2025 (too recent to call).

How the two cohorts compare

Re-uppedFunded once

Organizations

27
4

Total granted

$1.4M
$12k

Still filing today

70%
0%

New vs renewed · share of each year

In FY2025, 81% of grant dollars renewed an existing relationship; $69k went to new ones.

50%100%’20’21’22’23’24’25
RenewedFirst-time

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

’20’21’22’23’24’25
Arts & CultureEnvironmentAnimalsHuman ServicesHealthEducationOther
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

  • EM
    Eisenhower Medical Center
    5× · 2020–2024 · $290k · revenue +66%
  • THE MOUNT VERNON LADIES' ASSOCIATION OF THE UNION
    6× · 2020–2025 · $230k · revenue +112%
  • BH
    BLAIR HOUSE FOUNDATION
    6× · 2020–2025 · $75k · revenue ×39

Funded once

  • GW
    GEPORGE WASHINGTONS MOUNT VERNON
    one grant, 2021 · $10k
  • IG
    Individual grant recipient
    one grant, 2020 · $1k
  • BE
    BATTERED EOMEN'S SHELTER
    one grant, 2020 · $500
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
Air & Space Forces Association

The air & space forces association (afa) is a nonprofit, independent, professional military, and aerospace education association. the association's mission is to promote dominant u.s. air and space forces as the foundation of a strong…

Education
2
Virginia Sheriffs' Association Inc

Vsa represents sheriffs and their staff on criminal justice issues on a state level and provides information about emerging law enforcement issues, corrections and crime prevention to sheriff's offices and the public.

—
3
American Foreign Service Association

American foreign service association (afsa) is both the principal advocate for the long-term institutional wellbeing of the professional career foreign service and responsible for safeguarding the interest of afsa members. (continued on…

—
4
American Friends of the Alexander Von Humboldt Foundation

To promote networking, exchange, and creative collaboration among scientists, scholars, artists, and professionals in the u.s. and germany consistent with the goals of the alexander von humboldt foundation.

Education
5
National Veterans Legal Services Program Inc

To provide at no cost legal assistance to veterans of the u.s. armed forces and current service members.

—
6
United States Naval Institute

Provide an independent forum for those who dare to read, think, speak, and write to advance the professional, literary, and scientific understanding of sea power and other issues critical to global security.

—
7
Worldwide Vets Incorporated

Our goal is to sustainably improve animal welfare, provide veterinary care, and improve veterinary education globally. in order to achieve this goal, we work in over 10 countries, across 5 continents, supporting local people and animals,…

Animals
8
Virginia War Memorial Foundation Inc

To promote and raise funds for the virginia war memorial, a state agency of virginia, which was created for the purpose of honoring patriotic virginians who rendered faithful service and sacrifice in the cause of freedom and liberty for…

Arts & Culture
9
Alliance for the Shenandoah Valley

Alliance for the shenandoah valley informs and engages people to protect the natural resources, cultural heritages, and rural character of our region.

Community Improvement
10
Zoological Society of San Diego

San diego zoo wildlife alliance is committed to saving species worldwide by uniting our expertise in wildlife care and conservation science with our dedication to inspiring passion for nature.

Animals
11
American Society of Plastic Surgeons

Asps promotes the highest standards in advocacy, research, education, patient safety, and ethical standards for plastic surgery, our members, and their patients.

—
12
Washington Humane Society

The washington humane society protects animals, supports families, and advocates for positive change to create a world where all animals can thrive. we enrich the humanity of our communities by promoting compassion and encouraging people…

Animals
How this is measured
The grantee most central to the portfolio’s shape is Wounded Warrior Project Inc; the most unlike its peers is The American Society for the Prevention of Cruelty to Animals. 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

21 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. 21 of the 35 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)
1
Early backer (in before they grew)
21/21
Grantees still filing
14/21
Grew since first funded

Where the money sits, by cause and then by grantee

THE MOUNT VERNON LADIES' ASSOCIATION OF THE UNION: $230,000 · Arts & CultureTHE MOUNT VERNON LADIES' ASSOCIATION OF…THOMAS JEFFERSON FOUNDATION INC: $147,000 · Arts & CultureTHOMAS JEFFERSON FOUNDATION INCBLAIR HOUSE FOUNDATION: $75,000 · Arts & CultureBLAIR HOUSE FOUNDATIONAMERICAN FRIENDS OF VERSAILLES: $46,000 · Arts & CultureAMERICAN FRIENDS OF VERSAILLESSHENANDOAH VALLEY BATTLEFIELDS FOUNDATION: $25,000 · Arts & CultureU S DEPARTMNENT OF STATE: $120,000 · OtherU S DEPARTMNENT OF STATEUSA Shooting Inc: $65,000 · OtherUSA Shooting IncIndividual grant recipient: $55,000 · OtherIndividual grant recipientU S DEPARTMENT OF STATE: $50,000 · OtherU S DEPARTMENT OF STATESHENANDOAH VALLEY BATTLEFIELDS FOUN: $40,000 · OtherSHENANDOAH VALLEY BATTLEFIELDS FOUNPIEDMONT ENVIROMENTAL COUNCIL: $25,000 · OtherWHITE HOUSE HISTORIACL ASSOC: $21,000 · OtherSNIPSA: $20,500 · Other+12 more: $74,400 · Other+12 moreEisenhower Medical Center: $290,000 · HealthEisenhower Medical Cen…THE BLOOD & TISSUE CENTER FOUNDATION: $10,000 · HealthSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION: $70,000 · EducationVALLEY CONSERVATION COUNCIL: $22,500 · EnvironmentCHESAPEAKE BAY FOUNDATION INC: $20,000 · EnvironmentDALLAS ARBORETUM AND BOTANICAL SOCIETY INC: $15,000 · EnvironmentWOUNDED WARRIOR PROJECT INC: $23,000 · Human ServicesFAMILY VIOLENCE PREVENTION SERVICES INC: $20,000 · Human ServicesALDIE VOLUNTEER FIRE DEPARTMENT: $1,600 · Human ServicesPAWS FOR PURPLE HEARTS: $35,000 · Public Benefit
Arts & Culture$523,000Other$470,900Health$300,000Education$70,000Environment$57,500Human Services$44,600Public Benefit$35,000

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 budgetEisenhower Medical Center: $290,000 over 5y, 0.0% of budgetTHE MOUNT VERNON LADIES' ASSOCIATION OF THE UNION: $230,000 over 6y, 0.1% of budgetTHOMAS JEFFERSON FOUNDATION INC: $147,000 over 6y, 0.1% of budgetBLAIR HOUSE FOUNDATION: $75,000 over 6y, 1.0% of budgetSTEPHEN SILLER TUNNEL TO TOWERS FOUNDATION: $70,000 over 5y, 0.0% of budgetUSA Shooting Inc: $65,000 over 6y, 0.3% of budgetAMERICAN FRIENDS OF VERSAILLES: $46,000 over 6y, 3.8% of budgetPAWS FOR PURPLE HEARTS: $35,000 over 5y, 0.2% of budgetSHENANDOAH VALLEY BATTLEFIELDS FOUNDATION: $25,000 over 3y, 0.3% of budgetWOUNDED WARRIOR PROJECT INC: $23,000 over 4y, 0.0% of budgetVALLEY CONSERVATION COUNCIL: $22,500 over 6y, 2.1% of budgetFAMILY VIOLENCE PREVENTION SERVICES INC: $20,000 over 4y, 0.1% of budgetCHESAPEAKE BAY FOUNDATION INC: $20,000 over 2y, 0.0% of budgetDALLAS ARBORETUM AND BOTANICAL SOCIETY INC: $15,000 over 2y, 0.0% of budgetHUMANE SOCIETY OF SAN ANTONIO (AUDIT): $10,500 over 6y, 0.1% of budgetDIAMOND DACHSHUND RESCUE OF TEXAS: $10,000 over 4y, 1.2% of budgetTHE AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS: $9,000 over 5y, 0.0% of budgetDESERT COMMUNITY FOUNDATION: $1,600 over 3y, 0.0% of budgetALDIE VOLUNTEER FIRE DEPARTMENT: $1,600 over 4y, 0.3% of budgetNATIONAL FRATERNAL ORDER OF POLICE: $800 over 4y, 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.

  • Who funds Eisenhower Medical Center ↗
  • Who funds THE MOUNT VERNON LADIES' ASSOCIATION OF THE UNION ↗
  • Who funds THOMAS JEFFERSON FOUNDATION INC ↗
  • Who funds BLAIR HOUSE FOUNDATION ↗
  • Who funds STEPHEN SILLER TUNNEL TO TOWERS FOUNDATION ↗
  • Who funds USA Shooting Inc ↗
  • Who funds AMERICAN FRIENDS OF VERSAILLES ↗
  • Who funds PAWS FOR PURPLE HEARTS ↗
  • Who funds SHENANDOAH VALLEY BATTLEFIELDS FOUNDATION ↗
  • Who funds WOUNDED WARRIOR PROJECT INC ↗
  • Who funds VALLEY CONSERVATION COUNCIL ↗
  • Who funds FAMILY VIOLENCE PREVENTION SERVICES INC ↗
  • Who funds CHESAPEAKE BAY FOUNDATION INC ↗
  • Who funds DALLAS ARBORETUM AND BOTANICAL SOCIETY INC ↗
  • Who funds HUMANE SOCIETY OF SAN ANTONIO (AUDIT) ↗
  • Who funds DIAMOND DACHSHUND RESCUE OF TEXAS ↗
  • Who funds THE BLOOD & TISSUE CENTER FOUNDATION ↗
  • Who funds THE AMERICAN SOCIETY FOR THE PREVENTION OF CRUELTY TO ANIMALS ↗
  • Who funds DESERT COMMUNITY FOUNDATION ↗
  • Who funds ALDIE VOLUNTEER FIRE DEPARTMENT ↗
  • Who funds NATIONAL FRATERNAL ORDER OF POLICE ↗

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.

San Antonio Area FoundationTX13.3× affinity4 shared granteesties to 5 of 5Hover any node to trace its alignments.Compare side by side →

Open a dossier: San Antonio Area Foundation · National Philanthropic Trust · Vanguard Charitable Endowment Program · Fidelity Investments Charitable Gift Fund · Donor Advised Charitable Giving Inc · 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.

How much its grantees rely on government

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

2024
’20’21’22’23’24’25
no gov · 00%0%1%3%5%funder's share of their income ↑0%4%8%11%15%share of the org’s income from government →median 2%
  • Chesapeake Bay Foundation Inc: 2% of income from government
  • Wounded Warrior Project Inc: 0% of income from government
no gov moneyreceives it· size = income
0get no government money at all
4report government grants on their 990 we could not trace to a source (not plotted)
0rely on government for over half their income
⤢ axis zoomed · 0–15%
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 Westchester Foundation?

Find your warmest path to Westchester 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 35 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 2025, released 2025. Filings run roughly 12 to 24 months behind; figures are dated accordingly.

Source object · view filing

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