The Limestone Foundation is a private foundation based in Boston, Massachusetts, established in 2015. It operates as a left-of-center family foundation and is one of two successor organizations to the Stoneman Family Foundation, continuing the grantmaking philosophy of its predecessor.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$46.2M
+12.5% YoY
Annual Giving
$2.5M
-24.5% YoY
Grant Count
29
-29.3% YoY
Avg Grant Size
$85K
+6.8% YoY
Under IRS private-foundation payout rules, Limestone Foundation reported a distributable amount of $2.8M for 2024 — the minimum it must pay out in qualifying distributions.
Mission & Focus Areas
The foundation maintains a left-of-center grantmaking philosophy focused on supporting organizations aligned with progressive values and policy priorities.
Grantmaking
The Limestone Foundation awarded $2,036,000 in grants in 2023. Recent grants include:
Grant Types
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Geographic Focus
Where this funder awards grants
The foundation supports organizations operating across multiple states, including New Mexico and Kentucky, with a national grantmaking scope.
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 31, 2023:
- Total Assets: $41,079,842
- Total Revenues: $2,707,498
- Total Expenses: $4,279,740
- Grants Awarded: $2,036,000
The foundation has no employees and operates as a grantmaking organization.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $46,235,005 | $41,079,842 | $42,653,769 |
| Revenue | $8,564,016 | $2,707,498 | $1,259,161 |
| Expenses | $3,408,853 | $4,279,740 | $3,047,964 |
| Qualifying Distributions | $2,834,337 | $3,626,710 | $2,425,058 |
| Net Investment Income | $7,972,219 | $2,121,245 | $746,787 |
| Distributable Amount | $2,794,930 | $2,732,378 | $2,899,014 |
Giving Over Time
Total grant dollars and number of grants per year
Grant Insights
How this funder distributes its grants
Top Recipients
Top 10 recipients in 2024
Grant Size Distribution
171 grants across all recorded years
Giving History
Grant recipients and amounts by year
Among its reported 2024 grants, the largest include Center on Budget and Policy Priorities ($505,000), New Mexico Voices for Children ($300,000), Kentucky Center for Economic Policy Inc ($275,000).
| Recipient | Purpose | Amount |
|---|---|---|
| ARIZONA COMMUNITY FOUNDATION PHOENIX, AZ | GENERAL OPERATING SUPPORT | $15,000 |
| BALLOT INITIATIVE STRATEGY CENTER FOUNDATION WASHINGTON, DC | GENERAL OPERATING SUPPORT | $50,000 |
| BETH ISRAEL DEACONESS MEDICAL CENTER BOSTON, MA | GENERAL SUPPORT IN MEMORY OF SIDNEY & MIRIAM STONEMAN | $10,000 |
| BOSTON SYMPHONY ORCHESTRA BOSTON, MA | GENERAL SUPPORT IN MEMORY OF SIDNEY & MIRIAM STONEMAN | $5,000 |
| BROOKLINE COMMUNITY FOUNDATION BROOKLINE, MA | GENERAL OPERATING SUPPORT | $20,000 |
| BROOKLINE FOOD PANTRY BROOKLINE, MA | GENERAL SUPPORT | $5,000 |
| CENTER ON BUDGET AND POLICY PRIORITIES WASHINGTON, DC | GREENSTEIN FUND FOR A JUST FUTURE | $505,000 |
| CODE FOR AMERICA LABS INC SAN FRANCISCO, CA | GENERAL OPERATING SUPPORT | $25,000 |
| COMMUNITY FOUNDATION OF LOUISVILLE LOUISVILLE, KY | GENERAL OPERATIONS | $5,000 |
| ENDEAVOR GLOBAL INC NEW YORK, NY | GENERAL OPERATING SUPPORT | $5,000 |
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| ELIZABETH DEKNATEL | TRUSTEE | 2 | — |
| MARIA DEKNATEL | TRUSTEE | 2 | — |
| GABRIEL DEKNATEL | TRUSTEE | 2 | — |
| ALAN ROTTENBERG | TRUSTEE | 2 | — |
| DAVID WOOD | TRUSTEE | 2 | — |
Contact Information
Address: Goulston Storrs 1 Post Office, Boston, MA 02109
Telephone: 617-482-1776
EIN: 47-7017224
Subject Areas
Focus areas based on grantmaking activity
Frequently Asked Questions
What does Limestone Foundation fund?
The foundation maintains a left-of-center grantmaking philosophy focused on supporting organizations aligned with progressive values and policy priorities.
How do I apply for a grant from Limestone Foundation?
The Limestone Foundation awarded $2,036,000 in grants in 2023. Recent grants include: • Center on Budget and Policy Priorities: $460,000 (General Operating Support) • New Mexico Voices for Children: $300,000 (General Operating Support) • Kentucky Coalition: $150,000 (General Operations) The foundation made 34 grants totaling approximately $2,575,000 in 2023. Grant types include general operating support for nonprofit organizations.
Where does Limestone Foundation make grants?
The foundation supports organizations operating across multiple states, including New Mexico and Kentucky, with a national grantmaking scope.
What size grants does Limestone Foundation award?
In 2024, Limestone Foundation awarded 29 grants totaling $2.5M — an average of about $85K per grant, based on its IRS Form 990 filings.
How much is Limestone Foundation required to give away each year?
Private foundations must generally distribute about 5% of their assets annually. For 2024, Limestone Foundation reported a distributable amount of $2.8M on its IRS Form 990-PF — the minimum it must pay out in qualifying distributions.
What is Limestone Foundation's EIN?
Limestone Foundation's EIN (Employer Identification Number) is 47-7017224. IRS Form 990 filing data is available on this page for 2020–2024.
Explore Open Grants
Browse active grant opportunities in Limestone Foundation's focus areas in our free grants database
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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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