Nonprofit · EIN 77-0536154
SOUTHERN SIERRA RESEARCH STATION
Tax-exempt · WELDON, CA 93283
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990 | $504,961 | $765,633 | -$260,672 | $277,348 | $6,807 | $270,541 |
| December 31, 2023 | 990 | $736,235 | $843,608 | -$107,373 | $529,510 | $6,871 | $522,639 |
Financial details: 990 for the year ended December 31, 2024
Revenue
- Contributions, gifts and grants
- $472
- Program service revenue
- $491,800
- Investment income
- $12,689
- Net gain from sales of assets
- $10,876
- Other revenue
- $0
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $94,664
- Other salaries and wages
- $342,054
- Salaries, compensation and benefits (total)
- $507,417
- Professional fundraising fees
- $0
- Legal fees
- $4,833
- Accounting fees
- $3,807
- Occupancy
- $15,862
- Travel
- $31,077
- Depreciation
- $10,023
- Program services (functional)
- $556,488
- Management and general (functional)
- $209,145
Balance sheet and other
- Total assets, start of year
- $529,510
- Total assets, end of year
- $277,348
- Total liabilities, end of year
- $6,807
- Net assets, end of year
- $270,541
- Land, buildings and equipment
- $121,803
- Net assets without donor restrictions
- $167,889
- Net assets with donor restrictions
- $102,652
- Gross receipts
- $504,961
- Employees
- 14
- Volunteers
- 0
- Year formed
- 2000
- State of legal domicile
- CA
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARY WHITFIELD | RESEARCH DIRECTOR Former | 40 | $82,795 |
| KATHARINE BATDORF | FORMER CHIEF OPERATING OFFICER Former | 25 | $11,869 |
| REED TOLLEFSON | DIRECTOR, SECRETARY Trustee or director, Officer | 1 | $0 |
| MELANIE BRANSON | DIRECTOR, TREASURER Trustee or director, Officer | 1 | $0 |
| BOB BARNES | DIRECTOR, PRESIDENT Trustee or director, Officer | 1 | $0 |
| CHRIS SPURGEON | DIRECTOR Trustee or director | 1 | $0 |
990 for the year ended December 31, 2023: 7 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| MARY WHITFIELD | RESEARCH DIRECTOR Former | 40 | $89,014 |
| KATHARINE BATDORF | CHIEF OPERATING OFFICER Former | 25 | $39,069 |
| JASON WEINER | DIRECTOR, SECRETARY Trustee or director, Officer | 1 | $0 |
| WENDY WALWYN | DIRECTOR, TREASURER Trustee or director, Officer | 1 | $0 |
| ERNEST FLORES | DIRECTOR, PRESIDENT Trustee or director, Officer | 1 | $0 |
| TIM LUDWICK | DIRECTOR Trustee or director | 1 | $0 |
| DAVID YOUNKMAN | DIRECTOR Trustee or director | 1 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 1316, WELDON, CA 93283-1316
- In care of
- % MARY J WHITFIELD DIRECTOR
- Principal officer (990 for 2024)
- WENDY WALWYN, PO BOX 1316, WELDON, CA 93283
- Signed the 990
- WENDY WALWYN, DIRECTOR, TREASURER
- Phone
- (760) 378-3345
- Return prepared by
- DANIELLS PHILLIPS VAUGHAN & BOCK
California records
California keeps its own records of charities and corporations. Search them by EIN 77-0536154 or by the name SOUTHERN SIERRA RESEARCH STATION.
- Attorney General, Registry of Charities and Fundraisers
- Registration status and filed reports (CT-TR-1, RRF-1)
- Secretary of State, bizfile Online
- Corporation status, entity number, agent for service
- Franchise Tax Board
- Entity status letter (state tax exemption, good standing)
Mission
THE SOUTHERN SIERRA RESEARCH STATION (SSRS) IS A NON-PROFIT ORGANIZATION THAT AIMS TO UNDERSTAND THE BIOLOGICAL PROCESSES THAT CONTROL POPULATION SIZES AND SPECIES DIVERSITY. THE SOUTHERN SIERRA RESEARCH STATION (SSRS) IS LOCATED IN THE(CONTINUED ON SCH. O.) FOOTHILLS OF CALIFORNIA'S SIERRA NEVADA MOUNTAINS. WE AIM TO UNDERSTND THE BIOLOGICAL PROCESSES THAT CONTROL POPULATION SIZES AND SPECIES DIVERSITY BY CONDUCTING BASIC AND APPLIED RESEARCH. IN COLLABORATION WITH GOVERNMENT, ACADEMIC, AND CONSERVATION ORGANIZATIONS, WE CREATE AND INTERPRET SCIENTIFIC KNOWLEDGE TO INFORM ENVIRONMENTAL POLICY AND ENCOURAGE PUBLIC APPRECIATION OF THE REGION.THE SOUTHERN SIERRA RESEARCH STATION (SSRS) IS ORGANIZED UNDER THE NON-PROFIT PUBLIC BENEFIT CORPORATION LAW FOR CHARITABLE PURPOSES. THE SPECIFIC PURPOSES FOR WHICH THIS CORPORATION IS ORGANIZED ARE CONDUCTING RESEARCH TO PROVIDE SCIENTIFIC INFORMATION TO PRESERVE AND ENHANCE POPULATIONS OF RARE AND THREATENED SPECIES AND BIOLOGICAL DIVERSITY.
Program accomplishments
- FOUNDED IN 2000, THE SOUTHERN SIERRA RESEARCH STATION (SSRS) IS A 501(C)(3) NON-PROFIT ORGANIZATION HEADQUARTERED AT OUR RESEARCH FACILITY IN THE FOOTHILLS OF CALIFORNIA'S SOUTHERN SIERRA NEVEDA, AN AREA UNIQUE FOR ITS CONVERGENCE OF 5 BIOLOGICAL REGIONS AND IS AN AREA OF HIGH DIVERSITY INCLUDING OVER 300 BIRD SPECIES. SSRS CONDUCTS, PROMOTES, FACILITATES, AND DISSEMINATES BIOLOGICAL RESEARCH THAT INFORMS CONSERVATION DECISIONS AND ENVIRONMENTAL POLICY, AND CONTRIBUTES TOWARDS UNDERSTANDING, SUSTAINING, AND CONSERVING NATURAL RESOURCES, BIOLOGICAL DIVERSITY, AND ENVIRONMENTALLY CHALLENGED, RARE, THREATENED AND ENDANGERED SPECIES. WITH A FOCUS ON RESEARCH IN THE PACIFIC SOUTHWEST THROUGH LATIN AMERICA, IN COLLABORATION WITH GOVERNMENT, ACADEMIC, AND CONSERVATION (CONTINUED ON SCHEDULE O.) ORGANIZATIONS, WE INCREASE SCIENTIFIC KNOWLEDGE OF SPECIES IN SUPPORT OF OUR MISSION, AID AND OR ENGAGE IN PROJECTS TO PROTECT AND RESTORE ENDANGERED SPECIES AND THEIR HABITATS, ENCOURAGE PUBLIC SUPPORT AND APPRECIATION FOR CONSERVATION OF BIOLOGICAL DIVERSITY THROUGH EDUCATION, INFORMATION AND RESEARCH DISSEMINATION, OUTREACH, AND OTHER PROGRAMS.Expenses $556,488 · revenue $491,800
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 | Check at the IRS |
| 2024 | December 31, 2024 | May 15, 2025 | 990 on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990 on file |
IRS record
- EIN
- 77-0536154
- 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
- 2000
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Environment (C051)
- Assets (IRS master file)
- $254,892
- Income (IRS master file)
- $687,819
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | December 2024 | $504,961 | $765,633 | $277,348 | XML |
| 990 | December 2023 | $736,235 | $843,608 | $529,510 | XML |
| 990 | December 2022 | $1,328,157 | $1,378,350 | $637,906 | IRS |
| 990 | December 2021 | – | – | – | IRS |
| 990 | 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 77-0536154).
Questions about SOUTHERN SIERRA RESEARCH STATION
- What is the EIN of SOUTHERN SIERRA RESEARCH STATION?
- The employer identification number (EIN) of SOUTHERN SIERRA RESEARCH STATION is 77-0536154.
- Is SOUTHERN SIERRA RESEARCH STATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2000.
- Are donations to SOUTHERN SIERRA RESEARCH STATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does SOUTHERN SIERRA RESEARCH STATION 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 SOUTHERN SIERRA RESEARCH STATION 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 SOUTHERN SIERRA RESEARCH STATION last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended December 2024.
- Who is the principal officer of SOUTHERN SIERRA RESEARCH STATION?
- The 990 for the year ended December 31, 2024 names WENDY WALWYN.
- Who are the officers and directors of SOUTHERN SIERRA RESEARCH STATION?
- The 990 for the year ended December 31, 2024 lists 6 people; 2 received compensation from the organization, the highest $82,795 (MARY WHITFIELD, RESEARCH DIRECTOR).
- How much revenue does SOUTHERN SIERRA RESEARCH STATION have?
- On its 990 for the year ended December 31, 2024 it reported revenue of $504,961, expenses of $765,633 and total assets of $277,348 at year end.
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