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Nonprofit · EIN 23-6253966

PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS

Tax-exempt · PHILADELPHIA, PA 19106

Financials

$2.5M$2.1M2022$3M$2.3M2023$3.5M$2.6M2024
Revenue Expenses · by fiscal year end
Financials of PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
September 30, 2025990$3,520,977$2,611,027$909,950$7,041,732$684,869$6,356,863
September 30, 2024990$3,024,692$2,277,409$747,283$6,069,370$666,728$5,402,642
September 30, 2023990$2,467,530$2,056,801$410,729$4,901,421$402,528$4,498,893
Financial details: 990 for the year ended September 30, 2025

Revenue

Contributions, gifts and grants
$1,095,085
of which government grants
$742,917
Membership dues
$14,746
Program service revenue
$1,967,730
Investment income
$178,007
Net rental income
$280,265
Net gain from sales of assets
$89,885
Net income from fundraising events
-$8,667
Net income from sales of inventory
$1,231
Other revenue
$280,155

Expenses

Grants and similar amounts paid
$0
Compensation of officers, directors and key employees
$113,800
Other salaries and wages
$217,777
Salaries, compensation and benefits (total)
$376,714
Professional fundraising fees
$0
Legal fees
$3,578
Accounting fees
$55,318
Occupancy
$70,367
Travel
$97,533
Depreciation
$154,116
Program services (functional)
$2,286,487
Management and general (functional)
$249,538
Fundraising (functional)
$75,002

Balance sheet and other

Total assets, start of year
$6,069,370
Total assets, end of year
$7,041,732
Total liabilities, end of year
$684,869
Net assets, end of year
$6,356,863
Land, buildings and equipment
$4,519,771
Publicly traded securities
$1,321,511
Net assets without donor restrictions
$4,912,421
Net assets with donor restrictions
$1,444,442
Gross unrelated business income
$87,426
Gross receipts
$3,553,051
Employees
9
Volunteers
90
Year formed
1931
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 September 30, 2025, highest compensation first.

NameTitleHours / weekCompensationOther / benefits
KAYLA ANTHONYEXECUTIVE DIRECTOR
Officer
40$97,700$4,800
GREGORY MONTANAROCHAIRMAN
Trustee or director, Officer
2$0$0
JOHN VENTURAVICE CHAIR
Trustee or director, Officer
2$0$0
TIMOTHY M ALLESTREASURER
Trustee or director, Officer
2$0$0
ROBERT MARSHALL ESQSECRETARY
Trustee or director, Officer
2$0$0
CHARLES P KEATES ESQCHAIR EMERITUS
Trustee or director, Officer
2$0$0
MICHAEL ALLENAT LARGE
Trustee or director
1$0$0
JONATHAN BITTINGAT LARGE
Trustee or director
1$0$0
LORI COHENAT LARGE
Trustee or director
1$0$0
GREGORY CRANFORD AIAAT LARGE
Trustee or director
1$0$0
JUSTIN DETWILERAT LARGE
Trustee or director
1$0$0
BISHOP DAVID G EVANSAT LARGE
Trustee or director
1$0$0
FRANK GIORDANOAT LARGE
Trustee or director
1$0$0
THOMAS HEMMERICKAT LARGE
Trustee or director
1$0$0
ANNELIZA KAUFERAT LARGE
Trustee or director
1$0$0
12 more people on this return
NameTitleHours / weekCompensation
ROBIN KOSLO-STAHLAT LARGE
Trustee or director
1$0
STEPHEN S LEEAT LARGE
Trustee or director
1$0
MARGARET LONZETTAAT LARGE
Trustee or director
1$0
NORMAN MARCUSAT LARGE
Trustee or director
1$0
CAROLINE MILLSAT LARGE
Trustee or director
1$0
ALANNA PISERAT LARGE
Trustee or director
1$0
ROBERT POWELESQAT LARGE
Trustee or director
1$0
HENRY F REICHNER ESQAT LARGE
Trustee or director
1$0
BECKY SITARCHUKAT LARGE
Trustee or director
1$0
ELIZABETH STREITZ POWELAT LARGE
Trustee or director
1$0
DAWN M TANCREDI ESQAT LARGE
Trustee or director
1$0
PETER ANGELIDES PHDAT LARGE
Trustee or director
1$0
990 for the year ended September 30, 2024: 27 people
NameTitleHours / weekCompensationOther / benefits
KAYLA ANTHONYEXECUTIVE DIRECTOR
Officer
40$92,250$4,800
GREGORY MONTANAROCHAIRMAN
Trustee or director, Officer
2$0$0
JOHN VENTURAVICE CHAIR
Trustee or director, Officer
2$0$0
TIMOTHY M ALLESTREASURER
Trustee or director, Officer
2$0$0
DAWN M TANCREDI ESQSECRETARY
Trustee or director, Officer
2$0$0
CHARLES P KEATES ESQCHAIR EMERITUS
Trustee or director, Officer
2$0$0
MICHAEL ALLENAT LARGE
Trustee or director
1$0$0
JONATHAN BITTINGAT LARGE
Trustee or director
1$0$0
LORI COHENAT LARGE
Trustee or director
1$0$0
GREGORY CRANFORD AIAAT LARGE
Trustee or director
1$0$0
JUSTIN DETWILERAT LARGE
Trustee or director
1$0$0
BISHOP DAVID G EVANSAT LARGE
Trustee or director
1$0$0
FRANK GIORDANOAT LARGE
Trustee or director
1$0$0
THOMAS HEMMERICKAT LARGE
Trustee or director
1$0$0
ANNELIZA KAUFERAT LARGE
Trustee or director
1$0$0
ROBIN KOSLO-STAHLAT LARGE
Trustee or director
1$0$0
STEPHEN S LEEAT LARGE
Trustee or director
1$0$0
MARGARET LONZETTAAT LARGE
Trustee or director
1$0$0
NORMAN MARCUSAT LARGE
Trustee or director
1$0$0
ROBERT A MARSHALL ESQAT LARGE
Trustee or director
1$0$0
CAROLINE MILLSAT LARGE
Trustee or director
1$0$0
ALANNA PISERAT LARGE
Trustee or director
1$0$0
ROBERT POWELESQAT LARGE
Trustee or director
1$0$0
HENRY F REICHNER ESQAT LARGE
Trustee or director
1$0$0
BECKY SITARCHUKAT LARGE
Trustee or director
1$0$0
ELIZABETH STREITZ POWELAT LARGE
Trustee or director
1$0$0
CORTRIGHT WETHERILL IIIAT LARGE
Trustee or director
1$0$0
990 for the year ended September 30, 2023: 23 people
NameTitleHours / weekCompensationOther / benefits
KAYLA ANTHONYEXECUTIVE DIRECTOR
Officer
40$85,000$4,575
GREGORY MONTANAROCHAIRMAN
Trustee or director, Officer
2$0$0
JOHN VENTURAVICE CHAIR
Trustee or director, Officer
2$0$0
TIMOTHY M ALLESTREASURER
Trustee or director, Officer
2$0$0
DAWN M TANCREDI ESQSECRETARY
Trustee or director, Officer
2$0$0
CHARLES P KEATES ESQCHAIR EMERITUS
Trustee or director, Officer
2$0$0
JONATHAN BITTINGAT LARGE
Trustee or director
1$0$0
LORI COHENAT LARGE
Trustee or director
1$0$0
GREGORY CRANFORD AIAAT LARGE
Trustee or director
1$0$0
P JUSTIN DETWILERAT LARGE
Trustee or director
1$0$0
BISHOP DAVID G EVANSAT LARGE
Trustee or director
1$0$0
FRANK GIORDANOAT LARGE
Trustee or director
1$0$0
THOMAS HEMMERICKAT LARGE
Trustee or director
1$0$0
ROBIN KOSLO-STAHLAT LARGE
Trustee or director
1$0$0
STEPHEN S LEEAT LARGE
Trustee or director
1$0$0
MARGARET LONZETTAAT LARGE
Trustee or director
1$0$0
NORMAN MARCUSAT LARGE
Trustee or director
1$0$0
ROBERT A MARSHALL ESQAT LARGE
Trustee or director
1$0$0
CAROLINE MILLSAT LARGE
Trustee or director
1$0$0
ELIZABETH STREITZ POWELAT LARGE
Trustee or director
1$0$0
ROBERT POWELESQAT LARGE
Trustee or director
1$0$0
BECKY SITARCHUKAT LARGE
Trustee or director
1$0$0
CORTRIGHT WETHERILL IIIAT LARGE
Trustee or director
1$0$0

Address and contacts

Address (IRS master file)
321 S 4TH ST, PHILADELPHIA, PA 19106-4218
Principal officer (990 for 2024)
GREGORY P MONTANARO, 321 SOUTH 4TH STREET, PHILADELPHIA, PA 19106
Signed the 990
GREGORY P MONTANARO, CHAIR
Phone
(215) 925-2251
Return prepared by
APRIO ADVISORY GROUP LLC

Mission

WE INSPIRE PEOPLE TO ENGAGE WITH HISTORY AND BUILD COMMUNITY BY PRESERVING OUR HISTORIC SITES AND PROVIDING RELEVANT HISTORICAL, EDUCATIONAL AND CULTURAL PROGRAMMING

990 for the year ended September 30, 2025

Program accomplishments

  • EDUCATION, EXHIBITIONS, JOINT PROGRAMING, RE-BRANDING, CAPITAL IMPROVEMENTS AND COMMUNITY RELATIONS.
    Expenses $734,752 · revenue $135,348
  • TRAVEL, LODGING AND ADMISSION AND OTHER PROGRAM COSTS INCURRED IN CONNECTION WITH LANDMARK'S ROAD SCHOLAR PROGRAM. LANDMARK'S ROAD SCHOLAR IS THE PHILADELPHIA SPONSOR OF THE INTERNATIONAL ROAD SCHOLAR PROGRAM AND SEEKS TO BRING OVER 900 VISITORS TO THE PHILADELPHIA AREA EVERY YEAR.
    Expenses $1,551,735 · revenue $1,744,956

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

Tax yearYear endedDueIRS public records
2025September 30, 2026February 16, 2027Not due yet
2024September 30, 2025February 17, 2026990 on file
2023September 30, 2024February 18, 2025990 on file

IRS record

EIN
23-6253966
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Publicly supported organization (509(a)(2))
Donations deductible (Pub 78)
Public charity, 50% deduction limit
Exempt since
1932
Accounting year ends
September
Files
Form 990 or 990-EZ
Assets (IRS master file)
$7,041,732
Income (IRS master file)
$3,553,051

Filing history

FormYear endedRevenueExpensesAssetsReturn
990September 2025$3,520,977$2,611,027$7,041,732XML
990-TSeptember 2025–––IRS
990September 2024$3,024,692$2,277,409$6,069,370XML
990-TSeptember 2024–––IRS
990September 2023$2,467,530$2,056,801$4,901,421XML
990-TSeptember 2023–––IRS
990September 2022$2,077,175$1,906,321$4,504,085IRS
990-TSeptember 2022–––IRS
990September 2021–––IRS
990-TSeptember 2021–––IRS
990September 2020–––IRS
990September 2019–––IRS
990September 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 23-6253966).

Questions about PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS

What is the EIN of PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS?
The employer identification number (EIN) of PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS is 23-6253966.
Is PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1932.
Are donations to PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS 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 PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS due?
The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
When did PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended September 2025.
Who is the principal officer of PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS?
The 990 for the year ended September 30, 2025 names GREGORY P MONTANARO.
Who are the officers and directors of PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS?
The 990 for the year ended September 30, 2025 lists 27 people; 1 received compensation from the organization, the highest $97,700 (KAYLA ANTHONY, EXECUTIVE DIRECTOR).
How much revenue does PHILADELPHIA SOCIETY FOR THE PRESERVATION OF LANDMARKS have?
On its 990 for the year ended September 30, 2025 it reported revenue of $3,520,977, expenses of $2,611,027 and total assets of $7,041,732 at year end.

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