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Nonprofit · EIN 47-4138885

ASSEMBLY HOUSE 150 INC

Tax-exempt · BUFFALO, NY 14201

Financials

$766K$955K2023$1.5M$804K2024
Revenue Expenses · by fiscal year end
Financials of ASSEMBLY HOUSE 150 INC by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
March 31, 2025990$1,481,761$803,782$677,979$1,310,115$327,608$982,507
March 31, 2024990$766,279$954,698-$188,419$517,182$212,654$304,528
Financial details: 990 for the year ended March 31, 2025

Revenue

Contributions, gifts and grants
$1,459,231
of which government grants
$181,983
Program service revenue
$22,530
Investment income
$0
Other revenue
$0

Expenses

Grants and similar amounts paid
$60,485
Compensation of officers, directors and key employees
$101,000
Other salaries and wages
$288,753
Salaries, compensation and benefits (total)
$440,893
Professional fundraising fees
$0
Legal fees
$4,050
Accounting fees
$11,225
Occupancy
$24,846
Travel
$4,633
Depreciation
$1,777
Program services (functional)
$659,539
Management and general (functional)
$82,992
Fundraising (functional)
$61,251

Balance sheet and other

Total assets, start of year
$517,182
Total assets, end of year
$1,310,115
Total liabilities, end of year
$327,608
Net assets, end of year
$982,507
Land, buildings and equipment
$208,052
Net assets without donor restrictions
$148,167
Net assets with donor restrictions
$834,340
Gross receipts
$1,481,761
Employees
15
Volunteers
5
Year formed
2015
State of legal domicile
NY

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 March 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
DENNIS MAHEREXECUTIVE DIRECTOR
Officer
40$101,000
PENELOPE HOWARDBOARD MEMBER/BOARD CHAIR
Trustee or director, Officer
2$0
JOHN A MCGOWANBOARD MEMBER/BOARD TREASURER
Trustee or director, Officer
2$0
ROBERT CASSETTIBOARD MEMBER/BOARD VICE-CHAIR
Trustee or director, Officer
2$0
MARILEE KELLERBOARD MEMBER
Trustee or director
1$0
990 for the year ended March 31, 2024: 8 people
NameTitleHours / weekCompensation
DENNIS MAHEREXECUTIVE DIRECTOR
Officer
40$92,027
PENELOPE HOWARDBOARD MEMBER/CHAIR
Trustee or director, Officer
2$0
JOHN A MCGOWANBOARD MEMBER/TREASURER
Trustee or director, Officer
2$0
ROBERT CASSETTIBOARD MEMBER/VICE-CHAIR
Trustee or director, Officer
2$0
RENATA TONEYBOARD MEMBER (TO 3/17/24)
Trustee or director
1$0
ALEXANDRA JOHNSTONBOARD MEMBER (TO 9/7/23)
Trustee or director
1$0
GINA O'NEILBOARD MEMBER (TO 5/22/23)
Trustee or director
1$0
MARILEE KELLERBOARD MEMBER
Trustee or director
1$0

Address and contacts

Address (IRS master file)
150 EDWARD ST, BUFFALO, NY 14201-2106
In care of
% DENNIS MAHER
Mailing address (990-N for 2017)
287 Fargo Avenue, Buffalo NY 14213
Principal officer (990 for 2024)
DENNIS MAHER, 150 EDWARD STREET, BUFFALO, NY 14201
Principal officer (990-N for 2017)
Megan Connelly, 2450 Bullis Road, Elma NY 14059
Signed the 990
DENNIS MAHER, EXECUTIVE DIRECTOR
Phone
(716) 560-8170
Return prepared by
WITHUM SMITH & BROWN PC

Mission

OPERATING AN EXPERIMENTAL ART/ARCHITECTURE SPACE, SPECALIZING IN THE DESIGN AND DISPLAY OF IMAGINATIVE ENVIRONMENTS, FURNISHINGS, AND AESTHETIC OBJECTS, AND HOSTING PUBLIC EXHIBITIONS, EDUCATIONAL PROGRAMS, AND EVENTS THAT ENHANCE THE SENSE OF WONDER WITHIN EVERYDAY SURRONDINGS.

990 for the year ended March 31, 2025

Program accomplishments

  • OPERATED AN EXPERIMENTAL ART/ARCHITECTURE SPACE, SPECALIZING IN THE DESIGN AND DISPLAY OF IMAGINATIVE ENVIRONMENTS, FURNISHINGS, AND AESTHETIC OBJECTS, AND HOSTING PUBLIC EXHIBITIONS, EDUCATIONAL PROGRAMS, AND EVENTS THAT ENHANCE THE SENSE OF WONDER WITHIN EVERYDAY SURROUNDINGS.
    Expenses $659,539 · grants $60,485 · revenue $22,530

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

Tax yearYear endedDueIRS public records
2025March 31, 2026August 17, 2026Not on file
2024March 31, 2025August 15, 2025990 on file
2023March 31, 2024August 15, 2024990 on file

IRS record

EIN
47-4138885
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
2015
Accounting year ends
March
Files
Form 990 or 990-EZ
Assets (IRS master file)
$1,310,115
Income (IRS master file)
$1,481,761

Filing history

FormYear endedRevenueExpensesAssetsReturn
990March 2025$1,481,761$803,782$1,310,115XML
990March 2024$766,279$954,698$517,182IRS
990March 2023$815,277$842,264$569,167IRS
990March 2022$872,294$706,236$525,123IRS
990March 2021–––IRS
990March 2020–––IRS
990March 2019–––IRS
990-N for 2017
Officer: Megan Connelly
March 31, 2018≤ $50,000 receipts––e-Postcard
990-EZMarch 2018–––IRS
990-EZMarch 2017–––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 47-4138885).

Questions about ASSEMBLY HOUSE 150 INC

What is the EIN of ASSEMBLY HOUSE 150 INC?
The employer identification number (EIN) of ASSEMBLY HOUSE 150 INC is 47-4138885.
Is ASSEMBLY HOUSE 150 INC tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2015.
Are donations to ASSEMBLY HOUSE 150 INC tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does ASSEMBLY HOUSE 150 INC 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 ASSEMBLY HOUSE 150 INC due?
The return for tax year 2025 (the year ending March 31, 2026) is due August 17, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
When did ASSEMBLY HOUSE 150 INC last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended March 2025.
Who is the principal officer of ASSEMBLY HOUSE 150 INC?
The 990 for the year ended March 31, 2025 names DENNIS MAHER.
Who are the officers and directors of ASSEMBLY HOUSE 150 INC?
The 990 for the year ended March 31, 2025 lists 5 people; 1 received compensation from the organization, the highest $101,000 (DENNIS MAHER, EXECUTIVE DIRECTOR).
How much revenue does ASSEMBLY HOUSE 150 INC have?
On its 990 for the year ended March 31, 2025 it reported revenue of $1,481,761, expenses of $803,782 and total assets of $1,310,115 at year end.

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