Nonprofit · EIN 87-3060445
CROMWELL HARBOR SUPPORTING FOUNDATION INC
Tax-exempt · BOSTON, MA 02110
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| June 30, 2025 | 990 | $7,597,711 | $1,713,492 | $5,884,219 | $66,002,435 | $185,910 | $65,816,525 |
| June 30, 2024 | 990 | $4,989,841 | $2,444,857 | $2,544,984 | $44,770,130 | $200,000 | $44,570,130 |
| June 30, 2023 | 990 | $19,072,513 | $393,866 | $18,678,647 | $42,497,529 | $0 | $42,497,529 |
Financial details: 990 for the year ended June 30, 2025
Revenue
- Contributions, gifts and grants
- $4,739,111
- Program service revenue
- $0
- Investment income
- $3,173,439
- Net gain from sales of assets
- $3,133,328
- Other revenue
- -$314,839
Expenses
- Grants and similar amounts paid
- $1,444,417
- Compensation of officers, directors and key employees
- $170,155
- Salaries, compensation and benefits (total)
- $182,873
- Professional fundraising fees
- $0
- Accounting fees
- $20,320
- Travel
- $10,342
- Program services (functional)
- $1,662,385
- Management and general (functional)
- $51,107
Balance sheet and other
- Total assets, start of year
- $44,770,130
- Total assets, end of year
- $66,002,435
- Total liabilities, end of year
- $185,910
- Net assets, end of year
- $65,816,525
- Publicly traded securities
- $3,366,249
- Net assets without donor restrictions
- $65,816,525
- Gross receipts
- $10,068,682
- Employees
- 0
- Volunteers
- 5
- Year formed
- 2021
- State of legal domicile
- MA
From the e-filed returns the IRS publishes as XML (latest three processing years; amended returns replace the original). PDF copies at the IRS.
Officers, directors and key employees
As listed on the 990 for the year ended June 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM N THORNDIKE JR | PRESIDENT, TREASURER & CIO Trustee or director, Officer | 1 | $0 |
| GENEVA S THORNDIKE | CLERK Trustee or director, Officer | 1 | $0 |
| M LEE PELTON | DIRECTOR Trustee or director | 1 | $0 |
| THOMAS BIRD | DIRECTOR Trustee or director | 1 | $0 |
| CHARLES CHEEVER | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended June 30, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM N THORNDIKE JR | PRESIDENT, TREASURER & CIO Trustee or director, Officer | 1 | $0 |
| GENEVA S THORNDIKE | CLERK Trustee or director, Officer | 1 | $0 |
| M LEE PELTON | DIRECTOR Trustee or director | 1 | $0 |
| THOMAS BIRD | DIRECTOR Trustee or director | 1 | $0 |
| CHARLES CHEEVER | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended June 30, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM N THORNDIKE JR | PRESIDENT, TREASURER AND C Trustee or director, Officer | 1 | $0 |
| GENEVA S THORNDIKE | CLERK Trustee or director, Officer | 1 | $0 |
| M LEE PELTON | DIRECTOR Trustee or director | 1 | $0 |
| THOMAS BIRD | DIRECTOR Trustee or director | 1 | $0 |
| CHARLES CHEEVER | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- TWO INTERNATIONAL PLACE, BOSTON, MA 02110-4142
- In care of
- % WILLIAM N THORNDIKE JR
- Principal officer (990 for 2024)
- WILLIAM N THORNDIKE JR, C/O CHOATE 2 INTERNATIONAL PLACE, BOSTON, MA 02110
- Signed the 990
- WILLIAM N THORNDIKE JR, PRESIDENT
- Phone
- (617) 248-5000
- Return prepared by
- KAHN LITWIN RENZA & CO LTD
Mission
TO OPERATE EXCLUSIVELY FOR EDUCATIONAL, CHARITABLE AND SCIENTIFIC PURPOSES WITHIN THE MEANING OF SECTION 501(C)(3) OF THE INTERNAL REVENUE CODE AS A SECTION 509(A)(3) SUPPORTING ORGANIZATION OF THE BOSTON FOUNDATION.
Program accomplishments
- AWARDED GRANTS FOR CHARITABLE PURPOSES.Expenses $1,662,385 · grants $1,444,417
What it must file and when
IRS records say it files Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N. Its accounting year ends in June, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | June 30, 2026 | November 16, 2026 | Not due yet |
| 2024 | June 30, 2025 | November 17, 2025 | 990 on file |
| 2023 | June 30, 2024 | November 15, 2024 | 990 on file |
IRS record
- EIN
- 87-3060445
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Supporting organization, Type I
- Donations deductible (Pub 78)
- Supporting organization, 50% limit
- Exempt since
- 2022
- Accounting year ends
- June
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T31)
- Assets (IRS master file)
- $66,002,435
- Income (IRS master file)
- $10,068,682
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | June 2025 | $7,597,711 | $1,713,492 | $66,002,435 | IRS |
| 990 | June 2024 | $4,989,841 | $2,444,857 | $44,770,130 | XML |
| 990 | June 2023 | $19,072,513 | $393,866 | $42,497,529 | XML |
| 990 | June 2022 | $14,043,991 | $369,000 | $13,927,704 | IRS |
990-N: the IRS bulk file holds only the latest e-Postcard per organization; earlier years come from archived copies of that file since 2020 and can have gaps (the IRS e-Postcard search lists every one). 990, 990-EZ, 990-PF, 990-T: every e-filed return in the IRS e-file index since 2019; XML for the latest three processing years, amounts from the IRS Statistics of Income extracts before that. PDF copies and determination letters at the IRS (search EIN 87-3060445).
Questions about CROMWELL HARBOR SUPPORTING FOUNDATION INC
- What is the EIN of CROMWELL HARBOR SUPPORTING FOUNDATION INC?
- The employer identification number (EIN) of CROMWELL HARBOR SUPPORTING FOUNDATION INC is 87-3060445.
- Is CROMWELL HARBOR SUPPORTING FOUNDATION INC tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2022.
- Are donations to CROMWELL HARBOR SUPPORTING FOUNDATION INC tax-deductible?
- Yes. It is listed in IRS Publication 78 (Supporting organization, 50% limit).
- Which annual return does CROMWELL HARBOR SUPPORTING FOUNDATION INC file?
- Form 990 or 990-EZ. Based on its last return; a smaller organization may file the 990-N.
- When is the next return of CROMWELL HARBOR SUPPORTING FOUNDATION INC due?
- The return for tax year 2025 (the year ending June 30, 2026) is due November 16, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CROMWELL HARBOR SUPPORTING FOUNDATION INC last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended June 2025.
- Who is the principal officer of CROMWELL HARBOR SUPPORTING FOUNDATION INC?
- The 990 for the year ended June 30, 2025 names WILLIAM N THORNDIKE JR.
- Who are the officers and directors of CROMWELL HARBOR SUPPORTING FOUNDATION INC?
- The 990 for the year ended June 30, 2025 lists 5 people; 0 received compensation from the organization.
- How much revenue does CROMWELL HARBOR SUPPORTING FOUNDATION INC have?
- On its 990 for the year ended June 30, 2025 it reported revenue of $7,597,711, expenses of $1,713,492 and total assets of $66,002,435 at year end.
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All nonprofits in BOSTON · Massachusetts · Philanthropy, voluntarism and grantmaking foundations