Nonprofit · EIN 26-2535107
THIRD STREET FOUNDATION
Tax-exempt · PORTSMOUTH, NH 03801
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $57,244 | $139,230 | -$81,986 | $1,340,628 | $0 | $1,340,628 |
| December 31, 2024 | 990-PF | $112,939 | $165,812 | -$52,873 | $1,422,614 | $0 | $1,422,614 |
| December 31, 2023 | 990-PF | $1,414,580 | $144,911 | $1,269,669 | $1,475,487 | $0 | $1,475,487 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,868
- Dividends
- $55,081
- Interest
- $295
Expenses
- Grants and similar amounts paid
- $124,000
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $124,000
- Excise tax on investment income
- $575
Balance sheet and other
- Total assets, start of year
- $1,422,614
- Total assets, end of year
- $1,340,628
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,340,628
- Fair market value of assets
- $1,323,043
- Qualifying distributions
- $124,000
- Net investment income
- $55,376
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 |
|---|---|---|---|
| K QUINCY HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | TREASURER | 0.25 | $0 |
| SARAH HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | Secretary | 0.25 | $0 |
| ROBERT W HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | President | 0.5 | $0 |
| AMORY HOUGHTON III 100 Market Street Suite 302, Portsmouth, NH 03801 | Vice President | 0.25 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| K QUINCY HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | TREASURER | 0.25 | $0 |
| SARAH HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | Secretary | 0.25 | $0 |
| ROBERT W HOUGHTON 100 Market Street Suite 302, Portsmouth, NH 03801 | President | 0.5 | $0 |
| AMORY HOUGHTON III 100 Market Street Suite 302, Portsmouth, NH 03801 | Vice President | 0.25 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| K QUINCY HOUGHTON 2 International Dr Ste 301, Portsmouth, NH 03801 | TREASURER | 0.25 | $0 |
| SARAH HOUGHTON 2 International Dr Ste 301, Portsmouth, NH 03801 | Secretary | 0.25 | $0 |
| ROBERT W HOUGHTON 2 International Dr Ste 301, Portsmouth, NH 03801 | President | 0.5 | $0 |
| AMORY HOUGHTON III 2 International Dr Ste 301, Portsmouth, NH 03801 | Vice President | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 100 MARKET ST UNIT 302, PORTSMOUTH, NH 03801-3760
- In care of
- % MARKET STREET SERVICES LLC
- Signed the 990-PF
- Robert HOUGHTON, PRESIDENT
- Phone
- (800) 962-6876
- Return prepared by
- Sayles & Evans
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
- 26-2535107
- 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
- 2009
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20)
- Assets (IRS master file)
- $1,340,628
- Income (IRS master file)
- $57,244
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $57,244 | $139,230 | $1,340,628 | XML |
| 990-PF | December 2024 | $112,939 | $165,812 | $1,422,614 | XML |
| 990-PF | December 2023 | $1,414,580 | $144,911 | $1,475,487 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2018 | – | – | – | 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 26-2535107).
Questions about THIRD STREET FOUNDATION
- What is the EIN of THIRD STREET FOUNDATION?
- The employer identification number (EIN) of THIRD STREET FOUNDATION is 26-2535107.
- Is THIRD STREET FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2009.
- Are donations to THIRD STREET FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THIRD STREET FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THIRD STREET 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 THIRD STREET 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 THIRD STREET FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 0 received compensation from the organization.
- How much revenue does THIRD STREET FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $57,244, expenses of $139,230 and total assets of $1,340,628 at year end.
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