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Nonprofit · EIN 01-6045966

SOUTH PORTLAND HISTORICAL SOCIETY

Tax-exempt · S PORTLAND, ME 04106

Financials

$106K$124K2023$118K$135K2024$120K$132K2025
Revenue Expenses · by fiscal year end
Financials of SOUTH PORTLAND HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$120,419$131,535-$11,116$360,775$1,350$359,425
December 31, 2024990-EZ$118,466$135,451-$16,985$374,973$4,432$370,541
December 31, 2023990-EZ$105,600$123,597-$17,997$389,095$1,569$387,526
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$61,359
Membership dues
$24,385
Program service revenue
$8,027
Investment income
$2,277
Net income from fundraising events
$3,169
Net income from sales of inventory
$21,202
Other revenue
$0

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$47,796
Salaries, compensation and benefits (total)
$99,149
Occupancy
$25,250
Printing, publications and postage
$2,490
Other expenses
$4,646
Program services (functional)
$105,813

Balance sheet and other

Total assets, start of year
$374,973
Total assets, end of year
$360,775
Total liabilities, end of year
$1,350
Net assets, end of year
$359,425
Cash, savings and investments
$114,243
Land and buildings
$224,599
Gross receipts
$139,326

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-EZ for the year ended December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
Kathryn DiPhilippoExecutive Director40$43,956
Josie DiPhilippoSecretary and Cataloger5$3,840
Robert BlackwoodPresident3$0
Craig PiperVice President3$0
Larry LegereTreasurer3$0
Joanne LangermanCollection Manager3$0
Matthew ChristoforoHistorian3$0
Leslie BarteauxAt Large2$0
Nancy CrowellAt Large2$0
William DaleAt Large2$0
Linda EastmanAt Large2$0
Margaret HawkinsAt Large2$0
David KahillAt Large2$0
Louis MillerAt Large2$0
Graham ParkerAt Large2$0
1 more people on this return
NameTitleHours / weekCompensation
Donna WalkerAt Large2$0
990-EZ for the year ended December 31, 2024: 14 people
NameTitleHours / weekCompensationOther / benefits
Kathryn DiPhilippoExecutive Director40$42,456$3,600
Josie DiPhilippoSecretary and Cataloger5$4,800$0
Larry LegerePresident3$0$0
Robert BlackwoodVice President and Treasurer3$0$0
Joanne LangermanCollection Manager3$0$0
Matthew ChristoforoHistorian3$0$0
Bill DaleAt Large2$0$0
Linda EastmanAt Large2$0$0
Margaret HawkinsAt Large2$0$0
Chuck IgoAt Large2$0$0
David KahillAt Large2$0$0
Alan LivingstonAt Large2$0$0
Craig PiperAt Large2$0$0
Donna WalkerAt Large2$0$0
990-EZ for the year ended December 31, 2023: 16 people
NameTitleHours / weekCompensationOther / benefits
Seth GoldsteinDevelopment Director/Museum Manager40$42,401$0
Kathryn DiPhilippoExecutive Director40$41,401$1,000
Larry LegerePresident3$0$0
Robert BlackwoodVice President and Treasurer3$0$0
Josie DiPhilippoSecretary2$0$0
Leslie BarteauxCollection Manager2$0$0
Judy ArnoldAt Large1$0$0
Bill DaleAt Large1$0$0
Linda EastmanAt Large1$0$0
Margaret HawkinsAt Large1$0$0
Chuck IgoAt Large1$0$0
David KahillAt Large1$0$0
Alan LivingstonAt Large1$0$0
Chad MacLeodAt Large1$0$0
Emily ScullyAt Large1$0$0
Donna WalkerAt Large1$0$0

Address and contacts

Address (IRS master file)
55 BUGLIGHT RD, S PORTLAND, ME 04106-1654
Signed the 990-EZ
Kathryn DiPhilippo, Executive Director
Phone
(207) 767-7299

Mission

Educate the public regarding significant events in history for South Portland, Maine.

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Maintain museum profiling South Portland history, including acquiring and displaying collections. Most services and collections were donated. Using a weekly column in local newspaper to highlight South Portland history.
    Expenses $79,800
  • Lectures and walking tours that provide history about South Portland.
    Expenses $26,013

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 December, so each return is due on the 15th day of the 5th month after that.

Tax yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-EZ on file
2024December 31, 2024May 15, 2025990-EZ on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
01-6045966
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
2005
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$360,775
Income (IRS master file)
$139,326

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$120,419$131,535$360,775XML
990-EZDecember 2024$118,466$135,451$374,973XML
990-EZDecember 2023$105,600$123,597$389,095XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––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 01-6045966).

Questions about SOUTH PORTLAND HISTORICAL SOCIETY

What is the EIN of SOUTH PORTLAND HISTORICAL SOCIETY?
The employer identification number (EIN) of SOUTH PORTLAND HISTORICAL SOCIETY is 01-6045966.
Is SOUTH PORTLAND HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2005.
Are donations to SOUTH PORTLAND HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SOUTH PORTLAND HISTORICAL SOCIETY 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 SOUTH PORTLAND HISTORICAL SOCIETY 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 SOUTH PORTLAND HISTORICAL SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
Who are the officers and directors of SOUTH PORTLAND HISTORICAL SOCIETY?
The 990-EZ for the year ended December 31, 2025 lists 16 people; 2 received compensation from the organization, the highest $43,956 (Kathryn DiPhilippo, Executive Director).
How much revenue does SOUTH PORTLAND HISTORICAL SOCIETY have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $120,419, expenses of $131,535 and total assets of $360,775 at year end.

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