Nonprofit · EIN 22-2764509
FORT MIFFLIN ON THE DELAWARE
Tax-exempt · PHILADELPHIA, PA 19153
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| November 30, 2025 | 990 | $186,473 | $209,049 | -$22,576 | $165,152 | $23,388 | $141,764 |
| November 30, 2024 | 990 | $198,710 | $292,318 | -$93,608 | $172,149 | $7,809 | $164,340 |
| November 30, 2023 | 990 | $216,140 | $209,723 | $6,417 | $254,393 | $2,248 | $252,145 |
| November 30, 2022 | 990 | $213,875 | $198,111 | $15,764 | $265,451 | $25,248 | $240,203 |
Financial details: 990 for the year ended November 30, 2025
Revenue
- Contributions, gifts and grants
- $22,992
- Program service revenue
- $102,397
- Investment income
- $13,055
- Net rental income
- $43,134
- Net gain from sales of assets
- $4,028
- Net income from sales of inventory
- $4,895
- Other revenue
- $48,029
Expenses
- Grants and similar amounts paid
- $0
- Other salaries and wages
- $127,103
- Salaries, compensation and benefits (total)
- $137,750
- Professional fundraising fees
- $0
- Occupancy
- $14,742
- Depreciation
- $1,437
- Program services (functional)
- $129,688
- Management and general (functional)
- $70,569
- Fundraising (functional)
- $8,792
Balance sheet and other
- Total assets, start of year
- $172,149
- Total assets, end of year
- $165,152
- Total liabilities, end of year
- $23,388
- Net assets, end of year
- $141,764
- Land, buildings and equipment
- $4,400
- Publicly traded securities
- $69,593
- Net assets without donor restrictions
- $123,391
- Net assets with donor restrictions
- $18,373
- Gross receipts
- $188,598
- Employees
- 19
- Volunteers
- 165
- Year formed
- 1986
- State of legal domicile
- PA
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 November 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CRAIG GUFFINGTON | EXECUTIVE DIRECTOR Officer | 40 | $1,006 |
| REBECCA BRUMBLE | CHAIR Trustee or director, Officer | 2.3 | $0 |
| JAMES BILELLA II | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL DELOREY | DIRECTOR Trustee or director | 0.25 | $0 |
| ROY E DENMARK JR | DIRECTOR Trustee or director | 0.7 | $0 |
| JOHN GIGANTI | DIRECTOR Trustee or director | 0.25 | $0 |
| ADAM F KAUFER | DIRECTOR Trustee or director | 0.5 | $0 |
| MICHAEL MASTROIANNI | DIRECTOR Trustee or director | 0.5 | $0 |
| ISABEL MOSETTER | DIRECTOR Trustee or director | 0.25 | $0 |
| CHET WICHOWSKI | DIRECTOR Trustee or director | 0.25 | $0 |
| TOM GAFFNEY | TREASURER Trustee or director, Officer | 2.3 | $0 |
| JOHN KURKIS | DIRECTOR Trustee or director | 0.25 | $0 |
990 for the year ended November 30, 2024: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ALEX ARNOLD | EXECUTIVE DIRECTOR Officer | 40 | $48,000 |
| REBECCA BRUMBLE | CHAIR Trustee or director, Officer | 0.75 | $0 |
| RAY ARMATER | DIRECTOR Trustee or director | 0.5 | $0 |
| JAMES BILELLA II | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL DELOREY | DIRECTOR Trustee or director | 0.25 | $0 |
| ROY E DENMARK JR | DIRECTOR Trustee or director | 0.25 | $0 |
| JOHN GIGANTI | DIRECTOR Trustee or director | 0.25 | $0 |
| ADAM F KAUFER | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL MASTROIANNI | DIRECTOR Trustee or director | 0.25 | $0 |
| ISABEL MOSETTER | DIRECTOR Trustee or director | 0.5 | $0 |
| CHET WICHOWSKI | DIRECTOR Trustee or director | 0.25 | $0 |
| TOM GAFFNEY | TREASURER Trustee or director, Officer | 0.75 | $0 |
990 for the year ended November 30, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ELIZABETH BEATTY | EXECUTIVE DI Officer | 40 | $66,200 |
| CHESTER WICHOWSKI | CHAIR Trustee or director, Officer | 1 | $0 |
| REBECCA BRUMBLE | SECRETARY Trustee or director, Officer | 0.5 | $0 |
| ISABEL MOSETTER | TREASURER Trustee or director, Officer | 2 | $0 |
| JOHN TONER | DIRECTOR Trustee or director | 0.25 | $0 |
| JAMES BILELLA II PE | DIRECTOR Trustee or director | 0.25 | $0 |
| THOMAS GAFFNEY | TREASURER Trustee or director | 0.25 | $0 |
| LORI DILLARD RECH | DIRECTOR Trustee or director | 0.25 | $0 |
| HARRISON WOODRUFF | DIRECTOR Trustee or director | 0.25 | $0 |
| DENNIS MILLER | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL DELOREY MBA CFP | DIRECTOR Trustee or director | 0.25 | $0 |
| ADAM J KAUFER MBA | VICE CHAIR Trustee or director, Officer | 0.25 | $0 |
| RAYMOND ARMATER | DIRECTOR Trustee or director | 0.25 | $0 |
| JOHN GIGANTI | DIRECTOR Trustee or director | 0.25 | $0 |
| LISA SIMON | DIRECTOR Trustee or director | 0.25 | $0 |
| ROY E DENMARK JR | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL MASTROIANNI | DIRECTOR Trustee or director | 0.25 | $0 |
990 for the year ended November 30, 2022: 23 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| ELIZABETH BEATTY | EXECUTIVE DI Officer | 40 | $64,500 |
| CHESTER WICHOWSKI | CHAIR Trustee or director, Officer | 1 | $0 |
| REBECCA BRUMBLE | SECRETARY Trustee or director, Officer | 0.5 | $0 |
| ISABEL MOSETTER | TREASURER Trustee or director, Officer | 2 | $0 |
| JOHN TONER | DIRECTOR Trustee or director | 0.25 | $0 |
| JAMES BILELLA II PE | DIRECTOR Trustee or director | 0.25 | $0 |
| THOMAS GAFFNEY | TREASURER Trustee or director | 0.25 | $0 |
| KATHERINE JOHNSON | DIRECTOR Trustee or director | 0.25 | $0 |
| LORI DILLARD RECH | DIRECTOR Trustee or director | 0.25 | $0 |
| MARIA TRAUB | DIRECTOR Trustee or director | 0.25 | $0 |
| BILL YANG | DIRECTOR Trustee or director | 0.25 | $0 |
| HARRISON WOODRUFF | DIRECTOR Trustee or director | 0.25 | $0 |
| DENNIS MILLER | VICE CHAIR Trustee or director, Officer | 0.25 | $0 |
| MICHAEL DELOREY MBA CFP | DIRECTOR Trustee or director | 0.25 | $0 |
| ADAM J KAUFER MBA | DIRECTOR Trustee or director | 0.25 | $0 |
| NANCY S KOVLER | DIRECTOR Trustee or director | 0.25 | $0 |
| RAYMOND ARMATER | DIRECTOR Trustee or director | 0.25 | $0 |
| JOHN GIGANTI | DIRECTOR Trustee or director | 0.25 | $0 |
| MICHAEL GORMAN | DIRECTOR Trustee or director | 0.25 | $0 |
| LISA SIMON | DIRECTOR Trustee or director | 0.25 | $0 |
| SHELBY CARR | DIRECTOR Trustee or director | 0.25 | $0 |
| ROY E DENMARK JR | DIRECTOR Trustee or director | 0.25 | $0 |
| WILLIAM YOUNGBLOOD | DIRECTOR Trustee or director | 0.25 | $0 |
Address and contacts
- Address (IRS master file)
- 1 FORT MIFFLIN RD, PHILADELPHIA, PA 19153-3901
- Principal officer (990 for 2024)
- THOMAS GAFFNEY, 6400 HOG ISLAND RD, PHILADELPHIA, PA 19153
- Signed the 990
- THOMAS GAFFNEY, TREASURER
- Phone
- (215) 685-4167
- Website
- WWW.FORTMIFFLIN.US
- Return prepared by
- O'CONNELL & COMPANY LLC
Mission
OPERATION AND PRESERVATION OF FORT MIFFLIN
Program accomplishments
- MAINTENANCE OF FORT MIFFLIN ON THE DELAWARE, A HISTORIC SITE, AND THE OPERATION OF THE FORT, WHICH IS OPEN TO THE PUBLIC FOR TOURS AND SPECIAL EVENTS.Expenses $129,688 · revenue $102,397
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 November, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2024 | November 30, 2025 | April 15, 2026 | 990 on file |
| 2023 | November 30, 2024 | April 15, 2025 | 990 on file |
| 2022 | November 30, 2023 | April 15, 2024 | 990 on file |
IRS record
- EIN
- 22-2764509
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Publicly supported organization (170(b)(1)(A)(vi))
- Donations deductible (Pub 78)
- Public charity, 50% deduction limit
- Exempt since
- 1986
- Accounting year ends
- November
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A82Z)
- Assets (IRS master file)
- $165,152
- Income (IRS master file)
- $188,598
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | November 2025 | $186,473 | $209,049 | $165,152 | IRS |
| 990 | November 2024 | $198,710 | $292,318 | $172,149 | IRS |
| 990 | November 2023 | $216,140 | $209,723 | $254,393 | XML |
| 990 | November 2022 | $213,875 | $198,111 | $265,451 | XML |
| 990 | November 2021 | – | – | – | IRS |
| 990 | November 2020 | – | – | – | IRS |
| 990 | November 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 22-2764509).
Questions about FORT MIFFLIN ON THE DELAWARE
- What is the EIN of FORT MIFFLIN ON THE DELAWARE?
- The employer identification number (EIN) of FORT MIFFLIN ON THE DELAWARE is 22-2764509.
- Is FORT MIFFLIN ON THE DELAWARE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1986.
- Are donations to FORT MIFFLIN ON THE DELAWARE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does FORT MIFFLIN ON THE DELAWARE 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 FORT MIFFLIN ON THE DELAWARE due?
- The return for tax year 2025 (the year ending November 30, 2026) is due April 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did FORT MIFFLIN ON THE DELAWARE last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended November 2025.
- Who is the principal officer of FORT MIFFLIN ON THE DELAWARE?
- The 990 for the year ended November 30, 2025 names THOMAS GAFFNEY.
- Who are the officers and directors of FORT MIFFLIN ON THE DELAWARE?
- The 990 for the year ended November 30, 2025 lists 12 people; 1 received compensation from the organization, the highest $1,006 (CRAIG GUFFINGTON, EXECUTIVE DIRECTOR).
- How much revenue does FORT MIFFLIN ON THE DELAWARE have?
- On its 990 for the year ended November 30, 2025 it reported revenue of $186,473, expenses of $209,049 and total assets of $165,152 at year end.
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