Donald Grant & Ann Martin Calder Foundat
The Donald Grant and Ann Martin Calder Foundation is a private independent foundation established in 1996 and based in Hobe Sound, Florida. As a 501(c)(3) organization, it operates as a grantmaking foundation focused on philanthropic activities across multiple sectors.
Financial Overview
From 2024 IRS Form 990-PF · View filing
Total Assets
$1.2M
-4.4% YoY
Annual Giving
$344K
-29.9% YoY
Grant Count
34
+30.8% YoY
Avg Grant Size
$10K
-46.4% YoY
Mission & Focus Areas
The foundation's primary funding interests include:
- Education
- Philanthropy, Voluntarism & Grantmaking
- Human Services
- General support and general purpose grants
- COVID-19 relief
Grantmaking
The foundation provides general support and general purpose grants to its recipients.
Grant Types
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Geographic Focus
Where this funder awards grants
The foundation primarily funds organizations in:
- New York
- Florida
- Virginia
Grant Distribution by State
States
Cities
Financial History
Multi-year comparison from IRS filings
As of December 2023:
- Total Assets: $1,291,371
- Total Revenues: $194,544
- Total Expenses: $558,911
- Total Liabilities: $0
As of December 2024:
- Total Assets: $1.24M
- Revenue: $341,000
- Expenses: $395,000
Investment Income: Investment income and dividends totaled $55,829 in 2023, representing a 49.1% increase from $37,442 in 2022.
| Metric | 2024 | 2023 | 2022 |
|---|---|---|---|
| Total Assets | $1,235,141 | $1,291,371 | $1,669,998 |
| Revenue | $340,725 | $194,544 | $1,216,100 |
| Expenses | $395,124 | $558,911 | $388,538 |
| Qualifying Distributions | $346,636 | $496,242 | $335,049 |
| Net Investment Income | $292,237 | $124,472 | $1,162,611 |
| Distributable Amount | $320,871 | $306,610 | $260,415 |
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
143 grants across all recorded years
Giving History
Grant recipients and amounts by year
No grants recorded for .
Leadership & Key People
Officers and directors from IRS filings
Compensation Overview
From 2024 IRS filing
From 2024 filing
| Name | Title | Hours | Compensation |
|---|---|---|---|
| DONALD GRANT CALDER | DIRECTOR | 0.25 | — |
| ANN MARTIN CALDER | DIRECTOR | 0.25 | — |
| DONALD GRANT CALDER JR | DIRECTOR | 0.25 | — |
| CORNELIA MARTIN CALDER | DIRECTOR | 0.25 | — |
| ISABELLA SWIFT CALDER | DIRECTOR | 0.25 | — |
Contact Information
Address: 220 South Beach Road Hobe Sound, FL 33455-2515
Telephone: 772-546-2502
Additional Address on File: 164 East 72nd Street New York, NY 10021
Subject Areas
Focus areas based on grantmaking activity
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Data last updated April 2026. Sourced from IRS Form 990-PF filings. Research dossier generated April 2026.
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