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Nonprofit · EIN 22-2764509

FORT MIFFLIN ON THE DELAWARE

Tax-exempt · PHILADELPHIA, PA 19153

Financials

$186K$209K2024
Revenue Expenses · by fiscal year end
Financials of FORT MIFFLIN ON THE DELAWARE by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
November 30, 2025990$186,473$209,049-$22,576$165,152$23,388$141,764
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.

NameTitleHours / weekCompensation
CRAIG GUFFINGTONEXECUTIVE DIRECTOR
Officer
40$1,006
REBECCA BRUMBLECHAIR
Trustee or director, Officer
2.3$0
JAMES BILELLA IIDIRECTOR
Trustee or director
0.25$0
MICHAEL DELOREYDIRECTOR
Trustee or director
0.25$0
ROY E DENMARK JRDIRECTOR
Trustee or director
0.7$0
JOHN GIGANTIDIRECTOR
Trustee or director
0.25$0
ADAM F KAUFERDIRECTOR
Trustee or director
0.5$0
MICHAEL MASTROIANNIDIRECTOR
Trustee or director
0.5$0
ISABEL MOSETTERDIRECTOR
Trustee or director
0.25$0
CHET WICHOWSKIDIRECTOR
Trustee or director
0.25$0
TOM GAFFNEYTREASURER
Trustee or director, Officer
2.3$0
JOHN KURKISDIRECTOR
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
Return prepared by
O'CONNELL & COMPANY LLC

Mission

OPERATION AND PRESERVATION OF FORT MIFFLIN

990 for the year ended November 30, 2025

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 yearYear endedDueIRS public records
2024November 30, 2025April 15, 2026990 on file
2023November 30, 2024April 15, 2025990 on file
2022November 30, 2023April 15, 2024990 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
Assets (IRS master file)
$165,152
Income (IRS master file)
$188,598

Filing history

FormYear endedRevenueExpensesAssetsReturn
990November 2025–––IRS
990November 2024–––IRS
990November 2023$216,140$209,723$254,393IRS
990November 2022$213,875$198,111$265,451IRS
990November 2021–––IRS
990November 2020–––IRS
990November 2018–––IRS

990-N: the IRS publishes only the latest e-Postcard per organization; earlier years appear here as 990.tax collects the monthly files. 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.

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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