Skip to main content
IRS-authorized e-file provider · not the IRS

Nonprofit · EIN 84-1019443

THE MOUNT SOPRIS HISTORICAL SOCIETY

Tax-exempt · CARBONDALE, CO 81623

Financials

$95K$76K2025
Revenue Expenses · by fiscal year end
Financials of THE MOUNT SOPRIS HISTORICAL SOCIETY by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-EZ$94,885$76,423$18,462$42,418–$47,776
Financial details: 990-EZ for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$92,000
Membership dues
$4,760
Investment income
$85
Net income from fundraising events
-$1,960

Expenses

Grants and similar amounts paid
$66,836
Compensation of officers, directors and key employees
$0
Occupancy
$2,457
Other expenses
$7,130
Program services (functional)
$76,569

Balance sheet and other

Total assets, start of year
$29,314
Total assets, end of year
$42,418
Total liabilities, end of year
–
Net assets, end of year
$47,776
Cash, savings and investments
$42,418
Gross receipts
$103,726

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
Kade GianinettiTreasure20$0

Address and contacts

Address (IRS master file)
PO BOX 2, CARBONDALE, CO 81623-0002
In care of
% BETH WHITE
Mailing address (990-N for 2024)
PO Box 2, Carbondale CO 81623
Principal officer (990-N for 2024)
Stephen Shapiro, PO Box 2, Carbondale CO 81623
Signed the 990-EZ
Kade Gianinetti, Tressure
Phone
(970) 618-3457

Mission

"To preserve and communicate the enduring story of the people drawn to live in the Roaring Fork and Crystal River Valleys; to discover, collect, and preserve material and information that illustrates the history of the area; to maintain historical information and materials for public access; and to educate the public about the history, pioneers, and lives of the valley."

990-EZ for the year ended December 31, 2025

Program accomplishments

  • Fiscal Sponsorship for Western Mosaic and Potato days.
    Expenses $66,836 · grants $66,836
  • Historical Preservation & Archives
    Expenses $892
  • Community Engagement & Membership Programming
    Expenses $8,841

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-N on file
2023December 31, 2023May 15, 2024990-N on file

File the 2026 990-EZ for THE MOUNT SOPRIS HISTORICAL SOCIETY

Due May 17, 2027 · e-filed with the IRS by 990.tax, an IRS-authorized e-file provider

IRS record

EIN
84-1019443
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
1990
Accounting year ends
December
Files
Form 990 or 990-EZ
Assets (IRS master file)
$42,418
Income (IRS master file)
$103,726

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-EZDecember 2025$94,885$76,423$42,418XML
990-N for 2024
Officer: Stephen Shapiro
December 31, 2024≤ $50,000 receipts––e-Postcard
990-N for 2023
Officer: Stephen Shapiro
December 31, 2023≤ $50,000 receipts––e-Postcard
990-N for 2022
Officer: Stephen Shapiro
December 31, 2022≤ $50,000 receipts––e-Postcard
990-N for 2021
Officer: Stephen Shapiro
December 31, 2021≤ $50,000 receipts––e-Postcard
990-N for 2020
Officer: Stephen Shapiro
December 31, 2020≤ $50,000 receipts––e-Postcard
990-N for 2019
Officer: William J Hofto
December 31, 2019≤ $50,000 receipts––e-Postcard

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 84-1019443).

Questions about THE MOUNT SOPRIS HISTORICAL SOCIETY

What is the EIN of THE MOUNT SOPRIS HISTORICAL SOCIETY?
The employer identification number (EIN) of THE MOUNT SOPRIS HISTORICAL SOCIETY is 84-1019443.
Is THE MOUNT SOPRIS HISTORICAL SOCIETY tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1990.
Are donations to THE MOUNT SOPRIS HISTORICAL SOCIETY tax-deductible?
Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
Which annual return does THE MOUNT SOPRIS 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 THE MOUNT SOPRIS 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 THE MOUNT SOPRIS 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 is the principal officer of THE MOUNT SOPRIS HISTORICAL SOCIETY?
The 990-N for 2024 names Stephen Shapiro.
Who are the officers and directors of THE MOUNT SOPRIS HISTORICAL SOCIETY?
The 990-EZ for the year ended December 31, 2025 lists 1 person; 0 received compensation from the organization.
How much revenue does THE MOUNT SOPRIS HISTORICAL SOCIETY have?
On its 990-EZ for the year ended December 31, 2025 it reported revenue of $94,885, expenses of $76,423 and total assets of $42,418 at year end.

Other nonprofits in CARBONDALE

All nonprofits in CARBONDALE · Colorado