Nonprofit · EIN 23-7054730
DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN
Tax-exempt · STURGEON BAY, WI 54235
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $3,327,206 | $2,237,933 | $1,089,273 | $14,068,908 | $475,407 | $13,593,501 |
| December 31, 2024 | 990 | $2,201,638 | $2,168,106 | $33,532 | $12,997,472 | $524,897 | $12,472,575 |
| December 31, 2023 | 990 | $2,927,104 | $1,983,522 | $943,582 | $13,072,156 | $493,931 | $12,578,225 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $1,708,952
- Membership dues
- $54,749
- Program service revenue
- $1,092,870
- Investment income
- $264,460
- Net gain from sales of assets
- $225,664
- Net income from fundraising events
- $43,522
- Net income from sales of inventory
- $210,152
- Other revenue
- $260,924
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $117,862
- Other salaries and wages
- $623,805
- Salaries, compensation and benefits (total)
- $835,487
- Professional fundraising fees
- $0
- Accounting fees
- $28,495
- Occupancy
- $227,354
- Travel
- $6,430
- Depreciation
- $456,310
- Program services (functional)
- $1,640,319
- Management and general (functional)
- $354,874
- Fundraising (functional)
- $242,740
Balance sheet and other
- Total assets, start of year
- $12,997,472
- Total assets, end of year
- $14,068,908
- Total liabilities, end of year
- $475,407
- Net assets, end of year
- $13,593,501
- Land, buildings and equipment
- $11,750,977
- Publicly traded securities
- $1,008,653
- Net assets without donor restrictions
- $11,785,457
- Net assets with donor restrictions
- $1,808,044
- Gross unrelated business income
- $54,877
- Gross receipts
- $3,629,802
- Employees
- 31
- Volunteers
- 201
- Year formed
- 1970
- State of legal domicile
- WI
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 |
|---|---|---|---|
| RICHARD OSGOOD | EXECUTIVE DIRECTOR Officer | 40 | $117,862 |
| MIKE WICKMAN | DIRECTOR Trustee or director | 1 | $0 |
| BOB PURVES THRU JULY 2025 | DIRECTOR Trustee or director | 1 | $0 |
| CHARLES HENRIKSEN | DIRECTOR Trustee or director | 1 | $0 |
| THOMAS CAP WULF | DIRECTOR Trustee or director | 1 | $0 |
| MIKE GILSON | DIRECTOR Trustee or director | 1 | $0 |
| JOHN BAUMGARTNER | DIRECTOR Trustee or director | 1 | $0 |
| CHERYL ARNOTT THRU SEPT 2025 | DIRECTOR Trustee or director | 1 | $0 |
| BOB DENOTO | BOARD CHAIR Trustee or director, Officer | 10 | $0 |
| ALISON WALKER | VICE PRESIDENT Trustee or director, Officer | 10 | $0 |
| GARY KING | PAST CHAIR Trustee or director, Officer | 1 | $0 |
| JOHN ASHER | DIRECTOR Trustee or director | 1 | $0 |
| NATHAN DINEEN THRU SEPT 2025 | DIRECTOR Trustee or director | 1 | $0 |
| DAVID SCHANOCK | DIRECTOR Trustee or director | 1 | $0 |
| PAM SEILER | SECRETARY Trustee or director, Officer | 1 | $0 |
5 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| KEVIN O'DONNELL | DIRECTOR Trustee or director | 1 | $0 |
| GREG HOLUB | DIRECTOR Trustee or director | 1 | $0 |
| DEAN STEWART | DIRECTOR Trustee or director | 1 | $0 |
| KEITH MILLER | TREASURER Trustee or director, Officer | 1 | $0 |
| STEPHANIE PROPSOM | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2024: 21 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| RICHARD OSGOOD | EXECUTIVE DIRECTOR Officer | 40 | $114,231 |
| MIKE WICKMAN | DIRECTOR Trustee or director | 1 | $0 |
| MARK WEBORG THRU SEPT 2024 | DIRECTOR Trustee or director | 1 | $0 |
| JIM SPRINGER THRU SEPT 2024 | DIRECTOR Trustee or director | 1 | $0 |
| BOB PURVES | DIRECTOR Trustee or director | 1 | $0 |
| CHARLES HENRIKSEN | DIRECTOR Trustee or director | 1 | $0 |
| THOMAS CAP WULF | DIRECTOR Trustee or director | 1 | $0 |
| MIKE GILSON | DIRECTOR Trustee or director | 1 | $0 |
| JOHN BAUMGARTNER | DIRECTOR Trustee or director | 1 | $0 |
| CHERYL ARNOTT | DIRECTOR Trustee or director | 1 | $0 |
| BOB DENOTO | SECRETARY Trustee or director, Officer | 1 | $0 |
| ALISON WALKER | TREASURER Trustee or director, Officer | 1 | $0 |
| GARY KING | BOARD CHAIR Trustee or director, Officer | 10 | $0 |
| JOHN ASHER | VICE PRESIDENT Trustee or director, Officer | 10 | $0 |
| TERRY CONNELLY THRU JUNE 2024 | PRESIDENT Trustee or director, Officer | 10 | $0 |
| NATHAN DINEEN | DIRECTOR Trustee or director | 1 | $0 |
| DAVID SCHANOCK | DIRECTOR Trustee or director | 1 | $0 |
| PAM SEILER | DIRECTOR Trustee or director | 1 | $0 |
| KEVIN O'DONNELL | DIRECTOR Trustee or director | 1 | $0 |
| GREG HOLUB | DIRECTOR Trustee or director | 1 | $0 |
| DEAN STEWART | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 19 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| RICHARD OSGOOD | EXECUTIVE DIRECTOR Officer | 40 | $110,000 | $1,200 |
| MIKE WICKMAN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MARK WEBORG | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JIM SPRINGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JULIE SARTER THRU AUG 2023 | DIRECTOR Trustee or director | 1 | $0 | $0 |
| BOB PURVES | DIRECTOR Trustee or director | 1 | $0 | $0 |
| PETE HORTON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CHARLES HENRIKSEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| THOMAS CAP WULF | DIRECTOR Trustee or director | 1 | $0 | $0 |
| MIKE GILSON | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN BAUMGARTNER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| CHERYL ARNOTT | DIRECTOR Trustee or director | 1 | $0 | $0 |
| BOB DENOTO | SECRETARY Trustee or director, Officer | 1 | $0 | $0 |
| ALISON WALKER | TREASURER Trustee or director, Officer | 1 | $0 | $0 |
| GARY KING | 2ND VICE PRESIDENT Trustee or director, Officer | 10 | $0 | $0 |
| JOHN ASHER | VICE PRESIDENT Trustee or director, Officer | 10 | $0 | $0 |
| TERRY CONNELLY | PRESIDENT Trustee or director, Officer | 10 | $0 | $0 |
| NATHAN DINEEN | DIRECTOR Trustee or director | 1 | $0 | $0 |
| DAVID SCHANOCK | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 120 N MADISON AVE, STURGEON BAY, WI 54235-3416
- Principal officer (990 for 2025)
- BOB DENOTO, 120 N MADISON AVENUE, STURGEON BAY, WI 54235
- Signed the 990
- BOB DENOTO, BOARD CHAIR
- Phone
- (920) 743-5958
- Website
- WWW.DCMM.ORG
- Return prepared by
- HAWKINS ASH CPAS LLP
Mission
PRESERVE GREAT LAKES MARITIME HISTORY, PRIMARILY FOCUSING ON DOOR COUNTY, WISCONSIN AND PROVIDE INTERPRETIVE AND EDUCATIONAL OPPORTUNITIES FOR CURRENT AND FUTURE GENERATIONS.
Program accomplishments
- PROVIDE DOOR COUNTY WISCONSIN RESIDENTS AND TOURISTS WITH THREE MUSEUMS DEVOTED TO THE HISTORICAL PRESERVATION OF MARITIME HISTORY OF THE GREAT LAKES AND CONTINUE TO EDUCATE THE PUBLIC THROUGH VARIOUS PROGRAMS, SPECIAL EVENTS AND OTHER EDUCATIONAL OPPORTUNITIES.Expenses $1,640,319 · revenue $1,255,395
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 | 990 on file |
IRS record
- EIN
- 23-7054730
- 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
- 1970
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A500)
- Assets (IRS master file)
- $14,068,908
- Income (IRS master file)
- $3,629,802
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $3,327,206 | $2,237,933 | $14,068,908 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $2,201,638 | $2,168,106 | $12,997,472 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $2,927,104 | $1,983,522 | $13,072,156 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $3,126,391 | $1,870,506 | $12,201,176 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | IRS |
| 990 | December 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 23-7054730).
Questions about DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN
- What is the EIN of DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN?
- The employer identification number (EIN) of DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN is 23-7054730.
- Is DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1970.
- Are donations to DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN 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 DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN 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 DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN 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 DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN?
- The 990 for the year ended December 31, 2025 names BOB DENOTO.
- Who are the officers and directors of DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN?
- The 990 for the year ended December 31, 2025 lists 20 people; 1 received compensation from the organization, the highest $117,862 (RICHARD OSGOOD, EXECUTIVE DIRECTOR).
- How much revenue does DOOR COUNTY MARITIME MUSEUM & LIGHTHOUSE PRESERVATION SOCIETY IN have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $3,327,206, expenses of $2,237,933 and total assets of $14,068,908 at year end.
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