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Nonprofit · EIN 81-0436057

SWEET GRASS COUNTY MUSEUM SOCIETY

Tax-exempt · BIG TIMBER, MT 59011

Financials

$21K$82K2023$59K$107K2024$422K$125K2025
Revenue Expenses · by fiscal year end
Financials of SWEET GRASS COUNTY MUSEUM SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990$422,188$125,366$296,822$547,944-$404$548,348
December 31, 2024990$59,469$106,842-$47,373$1,972,169$200$1,971,969
December 31, 2023990-EZ$21,415$82,101-$60,686$99,877$0$19,041
Financial details: 990 for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$109,976
Membership dues
$5,531
Program service revenue
$8,532
Investment income
$297,864
Net income from sales of inventory
$5,816
Other revenue
$5,816

Expenses

Grants and similar amounts paid
$15,081
Compensation of officers, directors and key employees
$13,728
Other salaries and wages
$19,898
Salaries, compensation and benefits (total)
$36,602
Professional fundraising fees
$0
Legal fees
$100
Accounting fees
$5,132
Occupancy
$9,412
Depreciation
$9,925
Program services (functional)
$117,292
Management and general (functional)
$8,074

Balance sheet and other

Total assets, start of year
$1,972,169
Total assets, end of year
$547,944
Total liabilities, end of year
-$404
Net assets, end of year
$548,348
Land, buildings and equipment
$309,730
Publicly traded securities
$91,236
Net assets without donor restrictions
-$442,353
Net assets with donor restrictions
$990,701
Gross receipts
$424,433
Employees
10
Year formed
1987
State of legal domicile
MT

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 December 31, 2025, highest compensation first.

NameTitleHours / weekCompensation
JEANIE CHAPELCURATOR
Key employee
10$13,728
STEVE HARVEYCHAIRMAN
Trustee or director, Officer
2$0
JOHN RONNEBERGVICE CHAIRMAN
Trustee or director, Officer
2$0
SARA DECOCK REEDTRUSTEE
Trustee or director
4$0
DUANE MYRSTOLTRUSTEE
Trustee or director
1$0
MARY ANN DUFFEYTRUSTEE
Trustee or director
1$0
SUSAN ST GERMAINTRUSTEE
Trustee or director
1$0
MARY PARKERTRUSTEE
Trustee or director
1$0
JULIE BOWDENSECRETARY
Trustee or director, Officer
2$0
SHERI ALDRIDGETRUSTEE
Trustee or director
0$0
JESSICA HULETTREASURER
Officer
2$0
990 for the year ended December 31, 2024: 10 people
NameTitleHours / weekCompensation
JEANIE CHAPELCURATOR
Key employee
0$14,264
STEVE HARVEYPRESIDENT
Trustee or director, Officer
0$0
JOHN RONNEBERGVICE PRESIDENT
Trustee or director, Officer
0$0
LYLE JOHNSONTREASURER
Trustee or director
0$0
DUANE MYRSTOLTRUSTEE
Trustee or director
0$0
MARY ANN DUFFEYTRUSTEE
Trustee or director
0$0
NORM DUNCANTRUSTEE
Trustee or director
0$0
SUSAN ST GERMAINTRUSTEE
Trustee or director
0$0
MARY PARKERTRUSTEE
Trustee or director
0$0
JESSICA HULETTREASURER
Officer
0$0
990-EZ for the year ended December 31, 2023: 11 people
NameTitleHours / weekCompensation
STEVE HARVEYPRESIDENT0$0
JOHN RONNEBERGVICE PRESIDENT0$0
JESSICA HULETTREASURER0$0
MARY PARKERTREASURER0$0
JEANIE CHAPELCURATOR0$0
DUANE MYRSTOLTRUSTEE0$0
MARY ANN DUFFEYTRUSTEE0$0
NORM DUNCANTRUSTEE0$0
STEVE ALLERTRUSTEE0$0
SUSAN ST GERMAINTRUSTEE0$0
MARY PARKERTRUSTEE0$0

Address and contacts

Address (IRS master file)
PO BOX 83, BIG TIMBER, MT 59011-0083
In care of
% JOHN RONNEBERG
Principal officer (990 for 2025)
STEVE HARVEY, C/O PO BOX 83, BIG TIMBER, MT 59011
Signed the 990
JOHN RONNEBERG, VICE CHAIRMAN
Phone
(406) 932-6479
Return prepared by
Yvonne M Armstrong

Mission

TO COLLECT AND PRESERVE THE COUNTY'S HERITAGE AND CULTURE. THE MUSEUM IS PROVIDED AT NO COST TO THE PUBLIC AND THE MUSEUM IS THE SOLE PROGRAM SERVICE ACTIVITY. THERE WERE 2333 VISITORS, 95 STUDENTS FROM THE SCHOOLS AND 36 REGULAR GENEALOGY RESEARCHERS

990 for the year ended December 31, 2025

Program accomplishments

  • KICK OFF SUMMER SEASON WITH ANNUAL MEMORIAL DAY LUNCHEON
    Expenses $225 · revenue $1,986
  • CONTINUE TO ENCOURAGE THE GROWTH OF GENEALOGY PROGRAM AND RESEARCH, INCLUDING ROOM IN THE NEW ADDITION DEVOTED TO GENEALOGY
    revenue $77

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 on file
2024December 31, 2024May 15, 2025990 on file
2023December 31, 2023May 15, 2024990-EZ on file

IRS record

EIN
81-0436057
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
1987
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$547,944
Income (IRS master file)
$424,433

Filing history

FormYear endedRevenueExpensesAssetsReturn
990December 2025$422,188$125,366$547,944XML
990December 2024$59,469$106,842$1,972,169XML
990-EZDecember 2023$21,415$82,101$99,877XML
990-EZDecember 2022–––IRS
990-EZDecember 2021–––IRS
990December 2020–––IRS
990December 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 81-0436057).

Questions about SWEET GRASS COUNTY MUSEUM SOCIETY

What is the EIN of SWEET GRASS COUNTY MUSEUM SOCIETY?
The employer identification number (EIN) of SWEET GRASS COUNTY MUSEUM SOCIETY is 81-0436057.
Is SWEET GRASS COUNTY MUSEUM SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1987.
Are donations to SWEET GRASS COUNTY MUSEUM SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does SWEET GRASS COUNTY MUSEUM 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 SWEET GRASS COUNTY MUSEUM 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 SWEET GRASS COUNTY MUSEUM SOCIETY last file with the IRS?
The latest return in the IRS public files is the 990 for the year ended December 2025.
Who is the principal officer of SWEET GRASS COUNTY MUSEUM SOCIETY?
The 990 for the year ended December 31, 2025 names STEVE HARVEY.
Who are the officers and directors of SWEET GRASS COUNTY MUSEUM SOCIETY?
The 990 for the year ended December 31, 2025 lists 11 people; 1 received compensation from the organization, the highest $13,728 (JEANIE CHAPEL, CURATOR).
How much revenue does SWEET GRASS COUNTY MUSEUM SOCIETY have?
On its 990 for the year ended December 31, 2025 it reported revenue of $422,188, expenses of $125,366 and total assets of $547,944 at year end.

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