Nonprofit · EIN 91-1037866
BAINBRIDGE ISLAND HISTORICAL SOCIETY
Tax-exempt · BAINBRIDGE IS, WA 98110
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $1,024,113 | $542,712 | $481,401 | $3,305,458 | $7,910 | $3,297,548 |
| December 31, 2024 | 990 | $448,772 | $493,343 | -$44,571 | $2,820,415 | $4,864 | $2,815,551 |
| December 31, 2023 | 990 | $420,577 | $425,286 | -$4,709 | $2,878,999 | $16,326 | $2,862,673 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $286,113
- of which government grants
- $34,426
- Membership dues
- $16,860
- Program service revenue
- $0
- Investment income
- $56,810
- Net income from fundraising events
- $93,095
- Net income from sales of inventory
- $5,869
- Other revenue
- $681,190
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $94,451
- Other salaries and wages
- $255,764
- Salaries, compensation and benefits (total)
- $385,669
- Professional fundraising fees
- $0
- Accounting fees
- $21,278
- Occupancy
- $40,772
- Depreciation
- $38,928
- Program services (functional)
- $395,008
- Management and general (functional)
- $76,514
- Fundraising (functional)
- $71,190
Balance sheet and other
- Total assets, start of year
- $2,820,415
- Total assets, end of year
- $3,305,458
- Total liabilities, end of year
- $7,910
- Net assets, end of year
- $3,297,548
- Land, buildings and equipment
- $1,155,345
- Publicly traded securities
- $1,905,168
- Net assets without donor restrictions
- $3,297,548
- Gross receipts
- $1,079,233
- Employees
- 7
- Volunteers
- 50
- Year formed
- 1949
- State of legal domicile
- WA
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 |
|---|---|---|---|
| SUSIE BURDICK | Board Member Trustee or director | 0 | $0 |
| JOHN KLIMP | Board Member Trustee or director | 0 | $0 |
| MARK MUMM | Treasurer Trustee or director, Officer | 0 | $0 |
| JOAN WALTERS | Board Member Trustee or director | 0 | $0 |
| BRUCE GENUNG | Board Member Trustee or director | 0 | $0 |
| JENNY PETERS | Vice President Trustee or director, Officer | 0 | $0 |
| JOE STANKO | Board Member Trustee or director | 0 | $0 |
| MICHAEL BRONSDON | President Trustee or director, Officer | 0 | $0 |
| KEVIN TOMLINSON | Board Member Trustee or director | 0 | $0 |
| KEVIN DWYER | Board Member Trustee or director | 0 | $0 |
| COLEEN TURNER | Board Member Trustee or director | 0 | $0 |
| DAVID WILLIAMS | Board Member Trustee or director | 0 | $0 |
| AMBER SILVEY-BUELL | Executive Director Key employee | 0 | $0 |
990 for the year ended December 31, 2024: 13 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| AMBER SILVEY-BUELL | Executive Director Key employee | 40 | $85,092 |
| SUSIE BURDICK | Board Member Trustee or director | 2 | $0 |
| JOHN KLIMP | Board Member Trustee or director | 2 | $0 |
| MARK MUMM | Treasurer Trustee or director, Officer | 2 | $0 |
| JOAN WALTERS | Board Member Trustee or director | 2 | $0 |
| BRUCE GENUNG | Secretary Trustee or director, Officer | 2 | $0 |
| JENNY PETERS | Vice President Trustee or director, Officer | 2 | $0 |
| JOE STANKO | Board Member Trustee or director | 2 | $0 |
| MICHAEL BRONSDON | President Trustee or director, Officer | 2 | $0 |
| KEVIN TOMLINSON | Board Member Trustee or director | 2 | $0 |
| KEVIN DWYER | Board Member Trustee or director | 2 | $0 |
| COLEEN TURNER | Board Member Trustee or director | 2 | $0 |
| DAVID WILLIAMS | Board Member Trustee or director | 2 | $0 |
990 for the year ended December 31, 2023: 12 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| AMBER SILVEY-BUELL | Executive Director Key employee | 40 | $75,000 |
| SUSIE BURDICK | President Trustee or director, Officer | 2 | $0 |
| JOHN KLIMP | Vice President Trustee or director, Officer | 2 | $0 |
| TOM LAMPING | Secretary Trustee or director, Officer | 2 | $0 |
| CHARLIE AVERILL | Treasurer Trustee or director, Officer | – | $0 |
| BILL COVERT | Board Member Trustee or director | 2 | $0 |
| MARK MUMM | Board Member Trustee or director | 2 | $0 |
| JOAN WALTERS | Board Member Trustee or director | 2 | $0 |
| DAVE WILLIAMS | Board Member Trustee or director | 2 | $0 |
| BRUCE GENUNG | Board Member Trustee or director | 2 | $0 |
| JENNY PETERS | Board Member Trustee or director | 2 | $0 |
| JOE STANKO | Board Member Trustee or director | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 215 ERICKSEN AVE NE, BAINBRIDGE IS, WA 98110-1855
- In care of
- % AMBER BUELL
- Principal officer (990 for 2025)
- Mark Mumm, 215 Ericksen Ave, Bainbridge Island, WA 98110
- Signed the 990
- AMBER BUELL, Executive Director
- Phone
- (206) 842-2773
- Website
- www.bainbridgehistory.org
- Return prepared by
- KP Advantage
Mission
Preserve and share the stories of Bainbridge Island to promote a greater understanding of our community and the world in which we live; And, to operate a Historic Museum and Library
Program accomplishments
- To collect, preserve, and share the diverse stories of Bainbridge Island to foster a deeper understanding of our community and its place in the wider world. We operate a historic museum and research library, host educational and community events, and welcome school and community groups throughout the year.Expenses $395,883
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
- 91-1037866
- 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
- 1988
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Assets (IRS master file)
- $3,305,458
- Income (IRS master file)
- $1,079,233
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $1,024,113 | $542,712 | $3,305,458 | XML |
| 990 | December 2024 | $448,772 | $493,343 | $2,820,415 | XML |
| 990 | December 2023 | $420,577 | $425,286 | $2,878,999 | XML |
| 990 | December 2022 | $405,523 | $407,805 | $2,785,691 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | 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 91-1037866).
Questions about BAINBRIDGE ISLAND HISTORICAL SOCIETY
- What is the EIN of BAINBRIDGE ISLAND HISTORICAL SOCIETY?
- The employer identification number (EIN) of BAINBRIDGE ISLAND HISTORICAL SOCIETY is 91-1037866.
- Is BAINBRIDGE ISLAND HISTORICAL SOCIETY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1988.
- Are donations to BAINBRIDGE ISLAND HISTORICAL SOCIETY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does BAINBRIDGE ISLAND 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 BAINBRIDGE ISLAND 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 BAINBRIDGE ISLAND 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 is the principal officer of BAINBRIDGE ISLAND HISTORICAL SOCIETY?
- The 990 for the year ended December 31, 2025 names Mark Mumm.
- Who are the officers and directors of BAINBRIDGE ISLAND HISTORICAL SOCIETY?
- The 990 for the year ended December 31, 2025 lists 13 people; 0 received compensation from the organization.
- How much revenue does BAINBRIDGE ISLAND HISTORICAL SOCIETY have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $1,024,113, expenses of $542,712 and total assets of $3,305,458 at year end.
Other nonprofits in BAINBRIDGE IS
- REALIZE IMPACT EIN 46-3594732 · last filed 990 for 2024
- ISLANDWOOD EIN 31-1654076 · last filed 990 for 2025
- BAINBRIDGE COMMUNITY FOUNDATION EIN 91-2155208 · last filed 990 for 2025
- HOUSING RESOURCES BAINBRIDGE EIN 95-0068013 · last filed 990 for 2025
- SEASHARE EIN 91-1641242 · last filed 990 for 2024
- HELPLINE HOUSE EIN 91-0902503 · last filed 990 for 2025
- WING POINT GOLF AND COUNTRY CLUB INC EIN 91-0729154 · last filed 990 for 2024
- BAINBRIDGE ISLAND LAND TRUST EIN 91-1439338 · last filed 990 for 2025