Cornerstone Foundation Inc

WASHINGTON, DC EIN: 11-3737220

Cornerstone Foundation Inc is a private family foundation established in 2004 and based in Washington, DC. The foundation operates as a 501(c)(3) organization with a closed grantmaking model, distributing funds only to preselected charitable organizations without accepting unsolicited applications. The foundation is entirely volunteer-run and governed by five trustees from the Vogt family.

Financial Overview

From 2024 IRS Form 990-PF · View filing

Total Assets

$52.4M

+14.3% YoY

Annual Giving

$2.2M

+16.4% YoY

Grant Count

12

+9.1% YoY

Avg Grant Size

$181K

+6.7% YoY

Under IRS private-foundation payout rules, Cornerstone Foundation Inc reported a distributable amount of $2.5M for 2024 — the minimum it must pay out in qualifying distributions.

Research compiled by Grantable AI from public sources. Last updated April 2026.

Mission & Focus Areas

The foundation does not maintain a publicly stated mission statement. However, grantmaking focuses on:

  • Education
  • Environmental conservation
  • Reproductive rights
  • Social justice
  • Human services
  • Philanthropy and voluntarism

Grantmaking

Grant Range

$155,000

Invitation Only

; invitation-only funding model

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Geographic Focus

Where this funder awards grants

National scope, with recent grantmaking activity in:

  • District of Columbia
  • New York
  • California

Grant Distribution by State

6states

Cities

New YorkOaklandPhiladelphiaRocklandWashingtonWest Hollywood

Financial History

Multi-year comparison from IRS filings

Assets & Giving:

  • Total assets: $52.4 million to $53 million (2023-2024)
  • Total liabilities: $0
  • Annual revenue: $1.86 million (2023)
  • Annual expenses: $1.99 million (2023)
  • All funding derives from investment returns; the foundation accepts zero outside contributions
Revenue
Expenses
Qualifying Distributions
Net Investment Income
$0$2M$5M$7M$10M20202021202220232024
Metric202420232022
Total Assets$52,426,075$45,873,952$46,004,828
Revenue$8,972,306$1,863,862$8,592,794
Expenses$2,420,295$1,994,738$1,814,662
Qualifying Distributions$2,316,528$1,966,984$1,793,679
Net Investment Income$8,898,557$1,863,767$1,592,699
Distributable Amount$2,468,628$2,432,057$2,343,795

Giving Over Time

Total grant dollars and number of grants per year

$0$543K$1M$2M$2M9 grants202011 grants202111 grants202211 grants202312 grants2024

Grant Insights

How this funder distributes its grants

Top Recipients

Top 10 recipients in 2024

ENVIRONMENTAL DEFENSE FUND$350KISLAND INSTITUTE$340KTEACH FOR AMERICA$240KHOUSE OF RUTH$240KPLANNED PARENTHOOD FEDER…$200KROCK THE VOTE$160KTHE POSSE FOUNDATION$150KCHILDREN'S LITERACY INIT…$150KWILLIAM J BRENNAN JR CEN…$125KTHURGOOD MARSHALL COLLEG…$80K

Grant Size Distribution

54 grants across all recorded years

<$50K14$50–100K28$100–250K12$250–500K$500K–1M$1–5M$5M+

Giving History

Grant recipients and amounts by year

Among its reported 2024 grants, the largest include Environmental Defense Fund ($350,000), Island Institute ($340,000), Teach for America ($240,000).

RecipientPurposeAmount
ENVIRONMENTAL DEFENSE FUND WASHINGTON, DCSUPPORT CHARITABLE ACTIVITIES$350,000
ISLAND INSTITUTE ROCKLAND, MDSUPPORT CHARITABLE ACTIVITIES$340,000
THE BASIC FUND OAKLAND, CASUPPORT CHARITABLE ACTIVITIES$60,000
THE POSSE FOUNDATION WASHINGTON, DCSUPPORT CHARITABLE ACTIVITIES$150,000
CHILDREN'S LITERACY INITIATIVE PHILADELPHIA, PASUPPORT CHARITABLE ACTIVITIES$150,000
TEACH FOR AMERICA WASHINGTON, DCSUPPORT CHARITABLE ACTIVITIES$240,000
HOUSE OF RUTH WASHINGTON, DCSUPPORT CHARITABLE ACTIVITIES$240,000
PLANNED PARENTHOOD FEDERATION OF AMERICA INC NEW YORK, NYSUPPORT CHARITABLE ACTIVITIES$200,000
THURGOOD MARSHALL COLLEGE FUND WASHINGTON, DCSUPPORT CHARITABLE ACTIVITIES$80,000
WILLIAM J BRENNAN JR CENTER FOR JUSTICE INC NEW YORK, NYSUPPORT CHARITABLE ACTIVITIES$125,000

Leadership & Key People

Leadership team and compensation from IRS filings

The foundation is governed by five trustees from the Vogt family. All operations are conducted by volunteers with no paid staff.

Compensation Overview

From 2024 IRS filing

From 2024 filing

NameTitleHoursCompensation
KATHERINE VOGTMANAGING TRUSTEE1
MARTIN ROMOTREASURER1
EMILY VOGTSECRETARY1
ELIZABETH VOGTTRUSTEE1
LUCY VOGTTRUSTEE1

Contact Information

Address: 1828 L Street NW, Suite 300, Washington, DC 20036-5104

Phone: 202-595-1070

EIN: 11-3737220

Subject Areas

Focus areas based on grantmaking activity

Frequently Asked Questions

What does Cornerstone Foundation Inc fund?

The foundation does not maintain a publicly stated mission statement. However, grantmaking focuses on: • Education • Environmental conservation • Reproductive rights • Social justice • Human services • Philanthropy and voluntarism

How do I apply for a grant from Cornerstone Foundation Inc?

**Grant Structure:** • Single discretionary grant program • Typical award range: $60,000 to $350,000 • Median grant size: $155,000 • No public application process; invitation-only funding model • The foundation does not accept unsolicited applications or requests for funding **Recent Activity:** • Annual distributions: approximately $2.3 million (2024) • Total giving: $2,170,000 (2023) • Grantmaking has remained consistent, focusing on established national organizations aligned with foundation …

Where does Cornerstone Foundation Inc make grants?

National scope, with recent grantmaking activity in: • District of Columbia • New York • California

What size grants does Cornerstone Foundation Inc award?

In 2024, Cornerstone Foundation Inc awarded 12 grants totaling $2.2M — an average of about $181K per grant, based on its IRS Form 990 filings.

How much is Cornerstone Foundation Inc required to give away each year?

Private foundations must generally distribute about 5% of their assets annually. For 2024, Cornerstone Foundation Inc reported a distributable amount of $2.5M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.

What is Cornerstone Foundation Inc's EIN?

Cornerstone Foundation Inc's EIN (Employer Identification Number) is 11-3737220. IRS Form 990 filing data is available on this page for 2020–2024.

Explore Open Grants

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Data last updated June 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.

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