Nonprofit · EIN 88-0431016
GREAT BASIN INSTITUTE
Tax-exempt · RENO, NV 89511
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990 | $49,760,234 | $49,024,210 | $736,024 | $21,005,329 | $10,164,790 | $10,840,539 |
| December 31, 2024 | 990 | $45,862,730 | $46,320,807 | -$458,077 | $16,377,404 | $6,272,889 | $10,104,515 |
| December 31, 2023 | 990 | $44,160,927 | $43,972,930 | $187,997 | $16,480,737 | $5,918,145 | $10,562,592 |
Financial details: 990 for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $48,322,154
- of which government grants
- $48,056,203
- Program service revenue
- $450,841
- Investment income
- $859,040
- Net gain from sales of assets
- $847,643
- Net income from sales of inventory
- $99,871
- Other revenue
- $128,199
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $185,000
- Other salaries and wages
- $21,098,784
- Salaries, compensation and benefits (total)
- $25,491,160
- Professional fundraising fees
- $0
- Occupancy
- $346,972
- Travel
- $1,723,254
- Depreciation
- $94,434
- Program services (functional)
- $42,719,246
- Management and general (functional)
- $6,304,964
Balance sheet and other
- Total assets, start of year
- $16,377,404
- Total assets, end of year
- $21,005,329
- Total liabilities, end of year
- $10,164,790
- Net assets, end of year
- $10,840,539
- Land, buildings and equipment
- $1,194,638
- Net assets without donor restrictions
- $10,740,470
- Net assets with donor restrictions
- $100,069
- Gross unrelated business income
- $947,514
- Gross receipts
- $50,306,256
- Employees
- 1,012
- Volunteers
- 245
- Year formed
- 1999
- State of legal domicile
- NV
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 |
|---|---|---|---|
| PETER WOODRUFF | CEO Trustee or director | 40 | $185,000 |
| JACKIE ZUKER | DIRECTOR Trustee or director | 1 | $0 |
| JANET VREELAND | DIRECTOR Trustee or director | 1 | $0 |
| JOHN UMEK | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER OTT | DIRECTOR Trustee or director | 1 | $0 |
| BILL DUNKELBERGER | DIRECTOR Trustee or director | 1 | $0 |
| PETER WEISBERG | CHAIRMAN Trustee or director, Officer | 1 | $0 |
| LOU ROBINSON | TREASURER Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2024: 8 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| PETER WOODRUFF | CEO Trustee or director | 40 | $185,100 |
| JACKIE ZUKER | DIRECTOR Trustee or director | 1 | $0 |
| JANET VREELAND | DIRECTOR Trustee or director | 1 | $0 |
| JOHN UMEK | DIRECTOR Trustee or director | 1 | $0 |
| JENNIFER OTT | DIRECTOR Trustee or director | 1 | $0 |
| BILL DUNKELBERGER | DIRECTOR Trustee or director | 1 | $0 |
| PETER WEISBERG | CHAIRMAN Trustee or director, Officer | 1 | $0 |
| LOU ROBINSON | TREASURER Trustee or director, Officer | 1 | $0 |
990 for the year ended December 31, 2023: 8 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| JERRY KEIR | GBI FOUNDER Trustee or director, Officer | 40 | $637,351 | $30,000 |
| PETER WOODRUFF | CEO Trustee or director | 40 | $166,718 | $0 |
| GLENN MILLER | PRESIDENT Trustee or director | 3 | $0 | $0 |
| ALAN GUBANICH | DIRECTOR Trustee or director | 1 | $0 | $0 |
| JOHN UMEK | DIRECTOR Trustee or director | 1 | $0 | $0 |
| KURT UNGER | DIRECTOR Trustee or director | 1 | $0 | $0 |
| PETER WEISBERG | DIRECTOR Trustee or director | 1 | $0 | $0 |
| LOU ROBINSON | DIRECTOR Trustee or director | 1 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- 16750 MT ROSE HWY, RENO, NV 89511-8774
- In care of
- % PETER WOLF
- Principal officer (990 for 2025)
- PETER WOODRUFF, 16750 MT ROSE HIGHWAY, RENO, NV 89511
- Signed the 990
- PETER WOODRUFF, CEO
- Phone
- (775) 674-5475
- Return prepared by
- SCHETTLER MACY & ASSOCIATES
Mission
TO PROVIDE ENVIRONMENTAL EDUCATION, RESEARCH AND CONSERVATION THROUGHOUT THE WEST TO PEOPLE OF ALL AGES.
Program accomplishments
- TO EDUCATE INDIVIDUALS ON ENVIRONMENTAL ISSUES FACING NORTHERN NEVADA, AS WELL AS RESTORATION AND RESEARCH OF THE NATURAL ENVIRONMENT.Expenses $42,719,246 · revenue $490,566
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
- 88-0431016
- 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
- 1999
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C60)
- Assets (IRS master file)
- $21,005,329
- Income (IRS master file)
- $50,306,256
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2025 | $49,760,234 | $49,024,210 | $21,005,329 | XML |
| 990-T | December 2025 | – | – | – | IRS |
| 990 | December 2024 | $45,862,730 | $46,320,807 | $16,377,404 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990 | December 2023 | $44,160,927 | $43,972,930 | $16,480,737 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990 | December 2022 | $28,556,091 | $28,288,444 | $14,634,018 | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990 | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | IRS |
| 990 | December 2019 | – | – | – | IRS |
| 990 | December 2018 | – | – | – | 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 88-0431016).
Questions about GREAT BASIN INSTITUTE
- What is the EIN of GREAT BASIN INSTITUTE?
- The employer identification number (EIN) of GREAT BASIN INSTITUTE is 88-0431016.
- Is GREAT BASIN INSTITUTE tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1999.
- Are donations to GREAT BASIN INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does GREAT BASIN INSTITUTE 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 GREAT BASIN INSTITUTE 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 GREAT BASIN INSTITUTE 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 GREAT BASIN INSTITUTE?
- The 990 for the year ended December 31, 2025 names PETER WOODRUFF.
- Who are the officers and directors of GREAT BASIN INSTITUTE?
- The 990 for the year ended December 31, 2025 lists 8 people; 1 received compensation from the organization, the highest $185,000 (PETER WOODRUFF, CEO).
- How much revenue does GREAT BASIN INSTITUTE have?
- On its 990 for the year ended December 31, 2025 it reported revenue of $49,760,234, expenses of $49,024,210 and total assets of $21,005,329 at year end.
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