Nonprofit · EIN 84-1568095
CASWELL FOUNDATION
Tax-exempt · RYE, NH 03870
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $37,656 | $196,007 | -$158,351 | $401,777 | $0 | $401,777 |
| December 31, 2024 | 990-PF | $8,788 | $320,022 | -$311,234 | $176,836 | $0 | $176,836 |
| December 31, 2023 | 990-PF | -$23,736 | $246,128 | -$269,864 | $488,070 | $0 | $488,070 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $9,633
- Interest
- $135
- Net gain from sales of assets
- $27,888
Expenses
- Grants and similar amounts paid
- $188,000
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Disbursements for charitable purposes
- $196,007
- Excise tax on investment income
- $412
Balance sheet and other
- Total assets, start of year
- $176,836
- Total assets, end of year
- $401,777
- Total liabilities, end of year
- $0
- Net assets, end of year
- $401,777
- Fair market value of assets
- $1,016,502
- Qualifying distributions
- $196,007
- Net investment income
- $37,656
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-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Linda Caswell 209 Lakeview Ave, Cambridge, MA 02138 | President | 1 | $0 |
| Hollis Caswell IV 1139 Channing Ave, Palo Alto, CA 94301 | Secretary | 1 | $0 |
| David Caswell 277 Washington Rd, Rye, NH 03870 | Treasurer | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Linda Caswell 209 Lakeview Ave, Cambridge, MA 02138 | President | 1 | $0 |
| Hollis Caswell IV 1139 Channing Ave, Palo Alto, CA 94301 | Secretary | 1 | $0 |
| David Caswell 277 Washington Rd, Rye, NH 03870 | Treasurer | 1 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Linda Caswell 209 Lakeview Ave, Cambridge, MA 02138 | President | 1 | $0 |
| Hollis Caswell IV 1139 Channing Ave, Palo Alto, CA 94301 | Secretary | 1 | $0 |
| David Caswell 277 Washington Rd, Rye, NH 03870 | Treasurer | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 277 WASHINGTON RD, RYE, NH 03870-2457
- In care of
- % LINDA CASWELL
- Signed the 990-PF
- Linda Caswell, President
- Phone
- (603) 396-9861
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in December, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 84-1568095
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2001
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $401,777
- Income (IRS master file)
- $214,972
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $37,656 | $196,007 | $401,777 | XML |
| 990-PF | December 2024 | $8,788 | $320,022 | $176,836 | XML |
| 990-PF | December 2023 | -$23,736 | $246,128 | $488,070 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 84-1568095).
Questions about CASWELL FOUNDATION
- What is the EIN of CASWELL FOUNDATION?
- The employer identification number (EIN) of CASWELL FOUNDATION is 84-1568095.
- Is CASWELL FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
- Are donations to CASWELL FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CASWELL FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CASWELL FOUNDATION due?
- The return for tax year 2026 (the year ending December 31, 2026) is due May 17, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CASWELL FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of CASWELL FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does CASWELL FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $37,656, expenses of $196,007 and total assets of $401,777 at year end.
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All nonprofits in RYE · New Hampshire · Philanthropy, voluntarism and grantmaking foundations