Nonprofit · EIN 37-1310527
MENDOTA MUSEUM & HISTORICAL SOCIETY
Also known as C-O HORACE D HUME
Tax-exempt · MENDOTA, IL 61342
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $263,153 | $228,842 | $34,311 | $2,627,777 | $67,226 | $2,560,551 |
| December 31, 2024 | 990 | $116,319 | $122,590 | -$6,271 | $2,544,246 | $18,006 | $2,526,240 |
| April 30, 2024 | 990 | $179,267 | $203,400 | -$24,133 | $2,538,451 | $5,940 | $2,532,511 |
| April 30, 2023 | 990 | $110,507 | $133,540 | -$23,033 | $2,571,779 | $15,135 | $2,556,644 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $74,249
- of which government grants
- $8,176
- Program service revenue
- $13,825
- Investment income
- $14,148
- Net rental income
- $143,037
- Net income from fundraising events
- $3,127
- Net income from sales of inventory
- $2,156
- Other revenue
- $160,931
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $29,380
- Other salaries and wages
- $17,393
- Salaries, compensation and benefits (total)
- $50,457
- Professional fundraising fees
- $0
- Legal fees
- $5,449
- Depreciation
- $64,796
- Program services (functional)
- $202,041
- Management and general (functional)
- $26,801
Balance sheet and other
- Total assets, start of year
- $2,544,246
- Total assets, end of year
- $2,627,777
- Total liabilities, end of year
- $67,226
- Net assets, end of year
- $2,560,551
- Land, buildings and equipment
- $2,116,591
- Publicly traded securities
- $4,997
- Net assets without donor restrictions
- $2,431,475
- Net assets with donor restrictions
- $129,076
- Gross receipts
- $290,001
- Employees
- 3
- Volunteers
- 50
- Year formed
- 1993
- State of legal domicile
- IL
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Alex Revzan | Director Highest-paid employee | 0 | $29,380 |
| David Boelk | Director Trustee or director | 0 | $0 |
| Michael Cerveny | Director Trustee or director | 0 | $0 |
| Thomas Henson | Director & Secretary Trustee or director, Officer | 0 | $0 |
| Michelle Wade | Director & Vice President Trustee or director | 0 | $0 |
| Bryon Walters | President Trustee or director, Officer | 0 | $0 |
| Chris Stamberger | Director Trustee or director | 0 | $0 |
| Alan Russell | Director Trustee or director | 0 | $0 |
| Jay Miller | Director Trustee or director | 0 | $0 |
| Wayne Whitmore Jr | Director Trustee or director | 0 | $0 |
| Harry Conkey | Director Trustee or director | 0 | $0 |
| Ian Richardson | Director Trustee or director, Officer | 0 | $0 |
| Samantha Setchell | Director Trustee or director | 0 | $0 |
| Stacy Chandler | Treasurer Trustee or director, Officer | 0 | $0 |
990 for the year ended December 31, 2024: 14 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Alex Revzan | Director Highest-paid employee | 0 | $19,500 |
| David Boelk | Director Trustee or director | 0 | $0 |
| Michael Cerveny | Director Trustee or director | 0 | $0 |
| Michelle Wade | Director Trustee or director | 0 | $0 |
| Chris Stamberger | Director Trustee or director | 0 | $0 |
| Alan Russell | Director Trustee or director | 0 | $0 |
| Jay Miller | Director Trustee or director | 0 | $0 |
| Wayne Whitmore Jr | Director Trustee or director | 0 | $0 |
| Harry Conkey | Director Trustee or director | 0 | $0 |
| Samantha Setchell | Director Trustee or director | 0 | $0 |
| Thomas Henson | Director & Secretary Trustee or director, Officer | 0 | $0 |
| Bryon Walters | President Trustee or director, Officer | 0 | $0 |
| Ian Richardson | Director & Vice President Trustee or director, Officer | 0 | $0 |
| Stacy Chandler | Treasurer Trustee or director, Officer | 0 | $0 |
990 for the year ended April 30, 2024: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Revzan Alex | Director Highest-paid employee | 0 | $11,117 |
| Miller Jay | Director Trustee or director | 0 | $0 |
| Russell Alan | Director Trustee or director | 0 | $0 |
| Whitmore Jr Wayne | Director Trustee or director | 0 | $0 |
| Setchell Samantha | Director Trustee or director | 0 | $0 |
| Conkey Harry | Director Trustee or director | 0 | $0 |
| Wade Michelle | Director Trustee or director | 0 | $0 |
| Cerveny Michael | Director Trustee or director | 0 | $0 |
| Stamberger Chris | Director Trustee or director | 0 | $0 |
| Boelk David | Director Trustee or director | 0 | $0 |
| Richardson Ian | Director & Vice President Trustee or director, Officer | 0 | $0 |
| Walters Bryon | President & Treasurer Trustee or director, Officer | 0 | $0 |
| Henson Thomas | Director & Secretary Trustee or director, Officer | 0 | $0 |
990 for the year ended April 30, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Mary Schallhorn | Director Trustee or director | 0 | $11,120 |
| David Boelk | Director Trustee or director | 0 | $0 |
| Michael Cerveny | Director Trustee or director | 0 | $0 |
| Thomas Henson | Dir & Sec Trustee or director, Officer | 0 | $0 |
| William Greenwood | President & Dir Trustee or director, Officer | 0 | $0 |
| Michelle Wade | Director Trustee or director | 0 | $0 |
| Marsha Jones | Treasurer & Dir Trustee or director, Officer | 0 | $0 |
| Bryon Walters | Director Trustee or director | 0 | $0 |
| Chris Stamberger | Director Trustee or director | 0 | $0 |
| Alan Russell | Director Trustee or director | 0 | $0 |
| Jay Miller | Director Trustee or director | 0 | $0 |
| Darlene Wujek | Director Trustee or director | 0 | $0 |
| Bryon Walters | President Trustee or director | 0 | $0 |
| Wayne Whitmore Jr | Director Trustee or director | 0 | $0 |
| Harry Conkey | Director Trustee or director | 0 | $0 |
| Ian Richardson | Director & VP Trustee or director, Officer | 0 | $0 |
| Shelby Weide | Director Trustee or director | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 909 WASHINGTON ST, MENDOTA, IL 61342-1620
- In care of
- % BRYON WALTERS
- Signed the 990
- BRYON WALTERS, President
- Phone
- (815) 539-3373
- Website
- www.mendotamuseums.org
- Return prepared by
- Chris Eller Retirement Specialists
Mission
The society concentrates on preserving the history of the Mendota, IL area. It maintains and operates 3 museum facilities all located in the City of Mendota: 1) The Hume-Carnegie Museum, 2) The Union Depot Railraod Museum, 3) The Breaking of the Prairie Museum.
Program accomplishments
- The Mendota Museum & Historical Society concentates on preserving the history of the Mendota, Illinois area. The current fiscal years expenses allowed the organization to contiue the restoration and remodeling of museum facilities and allowed the organization to maintain and operate all of the museum facilities.Expenses $202,041
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 year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | December 31, 2025 | May 15, 2026 | 990 on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | Check at the IRS |
IRS record
- EIN
- 37-1310527
- 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
- 1993
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A54Z)
- Assets (IRS master file)
- $2,627,777
- Income (IRS master file)
- $290,001
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $263,153 | $228,842 | $2,627,777 | XML |
| 990 | December 2024 | $116,319 | $122,590 | $2,544,246 | XML |
| 990 | April 2024 | $179,267 | $203,400 | $2,538,451 | XML |
| 990 | April 2023 | $110,507 | $133,540 | $2,571,779 | XML |
| 990 | April 2022 | – | – | – | IRS |
| 990 | April 2021 | – | – | – | IRS |
| 990 | April 2020 | – | – | – | IRS |
| 990 | April 2019 | – | – | – | 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 37-1310527).
Questions about MENDOTA MUSEUM & HISTORICAL SOCIETY
- What is the EIN of MENDOTA MUSEUM & HISTORICAL SOCIETY?
- The employer identification number (EIN) of MENDOTA MUSEUM & HISTORICAL SOCIETY is 37-1310527.
- Is MENDOTA MUSEUM & HISTORICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1993.
- Are donations to MENDOTA MUSEUM & HISTORICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does MENDOTA MUSEUM & 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 MENDOTA MUSEUM & 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 MENDOTA MUSEUM & HISTORICAL SOCIETY last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2025.
- Who are the officers and directors of MENDOTA MUSEUM & HISTORICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 14 people; 1 received compensation from the organization, the highest $29,380 (Alex Revzan, Director).
- How much revenue does MENDOTA MUSEUM & HISTORICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $263,153, expenses of $228,842 and total assets of $2,627,777 at year end.
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