Nonprofit · EIN 82-1716267
BOULDER OPEN SPACE CONSERVANCY
Tax-exempt · BOULDER, CO 80306
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $186,389 | $165,250 | $21,139 | $165,984 | – | $165,984 |
| December 31, 2024 | 990-EZ | $154,414 | $129,952 | $24,462 | $144,845 | – | $144,845 |
| December 31, 2023 | 990-EZ | $98,381 | $99,657 | -$1,276 | $120,383 | $0 | $120,383 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $186,389
Expenses
- Grants and similar amounts paid
- $60,000
- Compensation of officers, directors and key employees
- $87,559
- Salaries, compensation and benefits (total)
- $80,391
- Professional fees and payments to contractors
- $15,989
- Printing, publications and postage
- $2,211
- Other expenses
- $6,659
- Program services (functional)
- $142,437
Balance sheet and other
- Total assets, start of year
- $144,845
- Total assets, end of year
- $165,984
- Total liabilities, end of year
- –
- Net assets, end of year
- $165,984
- Cash, savings and investments
- $165,984
- Gross receipts
- $186,389
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.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Alyson Duffey | Executive Director | 40 | $87,559 |
| Diane Murphy | Chair | 5 | $0 |
| Eric Washburn | Vice-Chair | 5 | $0 |
| Jessica Dauchy | Treasurer | 5 | $0 |
| Inga Juzysta | Trustee | 5 | $0 |
| Sarah Glynn | Trustee | 5 | $0 |
| Julie Shaffer | Trustee | 5 | $0 |
990-EZ for the year ended December 31, 2024: 6 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Alyson Duffey | Executive Director | 30 | $63,745 |
| Diane Murphy | President | 5 | $0 |
| Eric Washburn | Vice-President | 5 | $0 |
| Bob Koenig | Treasurer | 10 | $0 |
| Inga Juzysta | Board Member | 5 | $0 |
| Zuza Bohley | Board Member | 5 | $0 |
990-EZ for the year ended December 31, 2023: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Diane Murphy | President | 5 | $0 |
| Eric Washburn | Vice-President | 5 | $0 |
| Bob Koenig | Treasurer | 10 | $0 |
| Inga Juzysta | Board Member | 2 | $0 |
| Zuza Bohley | Board Member | 2 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 1765, BOULDER, CO 80306-1765
- In care of
- % DIANE MURPHY
- Mailing address (990-N for 2019)
- PO Box 1765, Boulder CO 80306
- Principal officer (990-N for 2019)
- Bob Koenig, 59 Puma Drive, Boulder CO 80302
- Signed the 990-EZ
- Alyson Duffey, Executive Director
- Website
- bosc.org
Mission
Boulder Open Space Conservancy is a non-profit organization that partners with the City of Boulder Open Space and Mountain Parks department to promote and enhance the ecological resilience of our public lands to climate change through sponsorship of conservation projects and community education for the benefit of all current and future generations of Boulder citizens and visitors.
Program accomplishments
- In 2025 BOSC raised community awareness and stewardship for public lands and trails in Boulder. BOSC contributed $60,000 to City of Boulder OSMP for Responsible Recreation & Infrastructure $29,850.11 Connecting Youth to Nature & Boulder Junior Ranger program $10,044.65 and Climate Resilience & ReWilding projects $5,187.26 and $14,917.98 for other OSMP greatest project needs.Expenses $142,437 · grants $60,000
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-EZ on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-EZ on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-EZ on file |
IRS record
- EIN
- 82-1716267
- 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
- 2017
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C34)
- Assets (IRS master file)
- $165,984
- Income (IRS master file)
- $186,389
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $186,389 | $165,250 | $165,984 | XML |
| 990-EZ | December 2024 | $154,414 | $129,952 | $144,845 | XML |
| 990-EZ | December 2023 | $98,381 | $99,657 | $120,383 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-N for 2019 Officer: Bob Koenig | 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 82-1716267).
Questions about BOULDER OPEN SPACE CONSERVANCY
- What is the EIN of BOULDER OPEN SPACE CONSERVANCY?
- The employer identification number (EIN) of BOULDER OPEN SPACE CONSERVANCY is 82-1716267.
- Is BOULDER OPEN SPACE CONSERVANCY tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2017.
- Are donations to BOULDER OPEN SPACE CONSERVANCY tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does BOULDER OPEN SPACE CONSERVANCY 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 BOULDER OPEN SPACE CONSERVANCY 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 BOULDER OPEN SPACE CONSERVANCY 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 BOULDER OPEN SPACE CONSERVANCY?
- The 990-N for 2019 names Bob Koenig.
- Who are the officers and directors of BOULDER OPEN SPACE CONSERVANCY?
- The 990-EZ for the year ended December 31, 2025 lists 7 people; 1 received compensation from the organization, the highest $87,559 (Alyson Duffey, Executive Director).
- How much revenue does BOULDER OPEN SPACE CONSERVANCY have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $186,389, expenses of $165,250 and total assets of $165,984 at year end.
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