Nonprofit · EIN 94-1687847
CONSERVATION SOCIETY OF CALIFORNIA
Also known as DBA THE OAKLAND ZOO
Tax-exempt · OAKLAND, CA 94605
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| September 30, 2025 | 990 | $35,008,424 | $36,079,027 | -$1,070,603 | $92,877,800 | $7,152,680 | $85,725,120 |
| September 30, 2024 | 990 | $31,502,981 | $35,476,027 | -$3,973,046 | $94,596,300 | $7,755,337 | $86,840,963 |
| September 30, 2023 | 990 | $30,880,796 | $31,683,363 | -$802,567 | $98,922,908 | $8,133,700 | $90,789,208 |
Financial details: 990 for the year ended September 30, 2025
Revenue
- Contributions, gifts and grants
- $10,144,303
- of which government grants
- $2,283,551
- Program service revenue
- $22,313,782
- Investment income
- $629,044
- Net gain from sales of assets
- -$107,178
- Net income from sales of inventory
- $94,429
- Other revenue
- $1,921,295
Expenses
- Grants and similar amounts paid
- $485,610
- Compensation of officers, directors and key employees
- $574,401
- Other salaries and wages
- $15,794,122
- Salaries, compensation and benefits (total)
- $19,758,850
- Professional fundraising fees
- $331,824
- Legal fees
- $135,787
- Accounting fees
- $125,490
- Occupancy
- $3,803,285
- Travel
- $21,650
- Depreciation
- $4,005,040
- Program services (functional)
- $28,627,038
- Management and general (functional)
- $5,508,698
- Fundraising (functional)
- $1,943,291
Balance sheet and other
- Total assets, start of year
- $94,596,300
- Total assets, end of year
- $92,877,800
- Total liabilities, end of year
- $7,152,680
- Net assets, end of year
- $85,725,120
- Land, buildings and equipment
- $71,842,742
- Publicly traded securities
- $482,980
- Net assets without donor restrictions
- $82,201,959
- Net assets with donor restrictions
- $3,523,161
- Gross receipts
- $64,072,735
- Employees
- 464
- Volunteers
- 570
- Year formed
- 1936
- 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 September 30, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| NIKHIL DEHEJIA | CEO Officer | 40 | $339,561 | $19,063 |
| ADAM MILLER | CFAO Officer | 40 | $199,560 | $16,218 |
| BIRUK WELDHANA | DIRECTOR OF FINANCE Highest-paid employee | 40 | $188,847 | $9,906 |
| KRISTIN BRONOWICKI | SVP IMPACT & REVENUE Highest-paid employee | 40 | $190,547 | $5,714 |
| MICHELLE MYERS | VP PEOPLE & CULTURE Highest-paid employee | 40 | $169,295 | $12,586 |
| ALEXANDRIA HERMAN | VP VETERINARY SERVICES Highest-paid employee | 40 | $165,442 | $15,771 |
| ERIN DOGAN | VP MARKETING Highest-paid employee | 40 | $140,923 | $4,077 |
| MARV FRIEDMAN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| STEVEN MCCANN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| PATRICK SHERWOOD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| CYNTHIA STODDARD | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ELOGEANNE O MATSON GROSSMAN | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| CATHY LANGRIDGE | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| FIONA TANG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LIZANNE LUDWIG | TRUSTEE Trustee or director | 2 | $0 | $0 |
12 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| JEFFREY R MARSHALL | TRUSTEE Trustee or director | 2 | $0 |
| AMY THARPE PETERSON | TRUSTEE Trustee or director | 2 | $0 |
| SHANA SIMMONS | TRUSTEE Trustee or director | 2 | $0 |
| PETER ROSS | TRUSTEE Trustee or director | 2 | $0 |
| JIM CAVALIERI | TRUSTEE Trustee or director | 2 | $0 |
| MICHAEL BRUCK | TRUSTEE Trustee or director | 2 | $0 |
| MICHAEL BOLAND | TRUSTEE Trustee or director | 2 | $0 |
| AARTI SABHLOK | TRUSTEE Trustee or director | 2 | $0 |
| JENNIFER E DELANEY | TRUSTEE Trustee or director | 2 | $0 |
| MITTIE GRIGSBY | TRUSTEE Trustee or director | 2 | $0 |
| BRIAN HUGHES | TRUSTEE Trustee or director | 2 | $0 |
| DENISE RAMSEY | TRUSTEE Trustee or director | 2 | $0 |
990 for the year ended September 30, 2024: 27 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| NIKHIL DEHEJIA | CEO Officer | 40 | $316,122 | $20,842 |
| ADAM MILLER | CFAO Officer | 40 | $189,189 | $13,168 |
| ERIN DOGAN | VP MARKETING Highest-paid employee | 40 | $165,810 | $17,720 |
| KRISTIN BRONOWICKI | SVP IMPACT & REVENUE Highest-paid employee | 40 | $173,728 | $4,584 |
| ALEXANDRIA HERMAN | VP VETERINARY Highest-paid employee | 40 | $161,386 | $13,836 |
| MICHELLE MYERS | VP PEOPLE & CULTURE Highest-paid employee | 40 | $159,750 | $12,742 |
| BIRUK WELDHANA | DIRECTOR OF FINANCE Highest-paid employee | 40 | $143,127 | $17,092 |
| CATHY LANGRIDGE | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ELOGEANNE GROSSMAN | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| PATRICK SHERWOOD | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| CYNTHIA STODDARD | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| STEVE MCCANN | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| MARV FRIEDMAN | SECRETARY Trustee or director, Officer | 2 | $0 | $0 |
| NANCY CLARK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DENNIS DEDOMENICO | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHAEL BRUCK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JENNIFER DELANEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| BRIAN HUGHES | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LIZ LUDWIG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JEFFREY R MARSHALL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEVIN RODRIGUEZ | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PETER ROSS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| AARTI SABHLOK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SHANA SIMMONS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JAN STEVENS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| FIONA TANG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| AMY THARPE PETERSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
990 for the year ended September 30, 2023: 27 people
| Name | Title | Hours / week | Compensation | Other / benefits |
|---|---|---|---|---|
| NIKHIL DEHEJIA | CEO Officer | 40 | $287,385 | $19,320 |
| ERIN DOGAN | VP MARKETING Highest-paid employee | 40 | $176,888 | $16,502 |
| MARK STUART | VP OPERATIONS Highest-paid employee | 40 | $178,162 | $12,043 |
| ALEXANDRIA HERMAN | VP VETERINARY Highest-paid employee | 40 | $157,831 | $16,211 |
| MICHELLE MYERS | VP PEOPLE & CULTURE Highest-paid employee | 40 | $159,766 | $11,971 |
| BIRUK WELDHANA | DIRECTOR OF FINANCE Highest-paid employee | 40 | $141,958 | $16,035 |
| ADAM MILLER | CFAO Officer | 40 | $86,135 | $3,766 |
| CATHY LANGRIDGE | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| CYNTHIA STODDARD | CO-CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| ELOGEANNE GROSSMAN | VICE CHAIR Trustee or director, Officer | 2 | $0 | $0 |
| PATRICK SHERWOOD | TREASURER Trustee or director, Officer | 2 | $0 | $0 |
| NANCY CLARK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| DENNIS DEDOMENICO | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MARV FRIEDMAN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| MICHAEL BRUCK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JENNIFER DELANEY | TRUSTEE Trustee or director | 2 | $0 | $0 |
| BRIAN HUGHES | TRUSTEE Trustee or director | 2 | $0 | $0 |
| LIZ LUDWIG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JEFFREY R MARSHALL | TRUSTEE Trustee or director | 2 | $0 | $0 |
| STEVE MCCANN | TRUSTEE Trustee or director | 2 | $0 | $0 |
| KEVIN RODRIGUEZ | TRUSTEE Trustee or director | 2 | $0 | $0 |
| PETER ROSS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| AARTI SABHLOK | TRUSTEE Trustee or director | 2 | $0 | $0 |
| SHANA SIMMONS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| JAN STEVENS | TRUSTEE Trustee or director | 2 | $0 | $0 |
| FIONA TANG | TRUSTEE Trustee or director | 2 | $0 | $0 |
| AMY THARPE PETERSON | TRUSTEE Trustee or director | 2 | $0 | $0 |
Address and contacts
- Address (IRS master file)
- PO BOX 5238, OAKLAND, CA 94605-0238
- In care of
- % BIRUK WELDHANA
- Principal officer (990 for 2024)
- NIKHIL DEHEJIA, PO BOX 5238, OAKLAND, CA 94605
- Signed the 990
- NIKHIL DEHEJIA, CEO
- Phone
- (510) 632-9525
- Website
- WWW.OAKLANDZOO.ORG
- Return prepared by
- GILBERT CPAS
California records
California keeps its own records of charities and corporations. Search them by EIN 94-1687847 or by the name CONSERVATION SOCIETY OF CALIFORNIA.
- 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
THROUGH MANAGEMENT OF OAKLAND ZOO, THE CONSERVATION SOCIETY OF CALIFORNIA DEEPENS CONNECTION WITH ANIMALS, SAVES WILDLIFE, AND INSPIRES CHAMPIONS FOR THE NATURAL WORLD.
Program accomplishments
- OAKLAND ZOO IS PROUD OF ITS CONTINUED SUCCESS IN ANIMAL CARE AND WELFARE, LEARNING AND ENGAGEMENT, AND CONSERVATION INITIATIVES. THE ZOO IS HOME TO OVER 700 ANIMALS THAT OUR STAFF PROVIDE INDUSTRY LEADING CARE FOR TO ENSURE THEIR PHYSICAL AND SOCIAL WELLBEING. CONSERVATION IS CORE TO OUR MISSION, AND THE ZOO CONTINUES TO FOCUS ITS EFFORTS ON TEN SPECIES INCLUDING AFRICAN ELEPHANTS, CHIMPANZEES, BISON, AFRICAN LIONS, CALIFORNIA CONDORS, AND MORE. OUR VETERINARY AND ANIMAL CARE TEAMS CONTINUE OUR LOCAL WILDLIFE RESCUE WORK WITH OAKLAND'S CITY BIRD, THE BLACK CROWNED NIGHT HERON, AND WE RESCUED OUR 30TH MOUNTAIN LION IN 2025. CONTINUED ON SCHEDULE O.WE ARE THE FIRST ZOO IN THE UNITED STATES TO RECEIVE FUNDING FOR A DEDICATED POSITION TO ADDRESS ANIMAL WELFARE RESCUE AND THE WILDLIFE TRADE, WHICH IS DEVASTING SPECIES AND HABITATS INTERNATIONALLY. LAST YEAR WE EXPANDED OUR ONSITE GUEST EDUCATION PROVIDING ANIMAL HIGHLIGHT PROGRAMS TO 30,000 GUESTS AND ENHANCING OUR DOCENT OFFERINGS TO INCREASE KNOWLEDGE OF BIODIVERSITY. AND WE CELEBRATED THE ONE-YEAR ANNIVERSARY OF THE CONSERVATION EDUCATION CENTER WE HELPED TO OPEN IN UGANDA, WHICH HAS NOW PROVIDED SERVICES FOR OVER 5,000 LOCAL COMMUNITY MEMBERS COEXISTING WITH CHIMPANZEES AND OTHER SPECIES. ALONGSIDE OUR PROGRAMMATIC WORK THE ZOO WELCOMED 58,000 GUESTS FOR FREE DURING FISCAL YEAR 2025, PROVIDING OUR COMMUNITY WITH A SPACE FOR CONNECTION, HOPE, AND LIFELONG MEMORIES. IN 2023, THE ZOO ESTABLISHED A FOUR-YEAR STRATEGIC PLAN WITH INPUT FROM THOUSANDS OF COMMUNITY STAKEHOLDERS. THE FOLLOWING KEY PRIORITIES REMAIN OUR FOCUS THROUGH 2027:- INSPIRING ACTION FOR ANIMALS AND THE PLANET- EXPANDING LEADERSHIP IN ANIMAL WELLBEING AND RESCUE- DEEPENING OUR CONSERVATION IMPACT- ENHANCING OUR TEAM CULTURE AND ORGANIZATIONAL EFFECTIVENESSExpenses $28,627,038 · grants $485,610 · revenue $22,410,449
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 September, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | September 30, 2026 | February 16, 2027 | Not due yet |
| 2024 | September 30, 2025 | February 17, 2026 | 990 on file |
| 2023 | September 30, 2024 | February 18, 2025 | 990 on file |
IRS record
- EIN
- 94-1687847
- 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
- 1953
- Accounting year ends
- September
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Animal-related (D500)
- Assets (IRS master file)
- $92,877,800
- Income (IRS master file)
- $64,072,735
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990 | September 2025 | $35,008,424 | $36,079,027 | $92,877,800 | XML |
| 990 | September 2024 | $31,502,981 | $35,476,027 | $94,596,300 | XML |
| 990 | September 2023 | $30,880,796 | $31,683,363 | $98,922,908 | XML |
| 990 | September 2022 | $35,355,250 | $30,159,043 | $99,127,027 | IRS |
| 990 | September 2021 | – | – | – | IRS |
| 990 | September 2020 | – | – | – | IRS |
| 990 | September 2019 | – | – | – | IRS |
| 990 | September 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 94-1687847).
Questions about CONSERVATION SOCIETY OF CALIFORNIA
- What is the EIN of CONSERVATION SOCIETY OF CALIFORNIA?
- The employer identification number (EIN) of CONSERVATION SOCIETY OF CALIFORNIA is 94-1687847.
- Is CONSERVATION SOCIETY OF CALIFORNIA tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1953.
- Are donations to CONSERVATION SOCIETY OF CALIFORNIA tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does CONSERVATION SOCIETY OF CALIFORNIA 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 CONSERVATION SOCIETY OF CALIFORNIA due?
- The return for tax year 2025 (the year ending September 30, 2026) is due February 16, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did CONSERVATION SOCIETY OF CALIFORNIA last file with the IRS?
- The latest return in the IRS public files is the 990 for the year ended September 2025.
- Who is the principal officer of CONSERVATION SOCIETY OF CALIFORNIA?
- The 990 for the year ended September 30, 2025 names NIKHIL DEHEJIA.
- Who are the officers and directors of CONSERVATION SOCIETY OF CALIFORNIA?
- The 990 for the year ended September 30, 2025 lists 27 people; 7 received compensation from the organization, the highest $339,561 (NIKHIL DEHEJIA, CEO).
- How much revenue does CONSERVATION SOCIETY OF CALIFORNIA have?
- On its 990 for the year ended September 30, 2025 it reported revenue of $35,008,424, expenses of $36,079,027 and total assets of $92,877,800 at year end.
Other nonprofits in OAKLAND
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- FRIENDS OF THE OAKLAND ANIMALSHELTER EIN 20-4053711 · last filed 990 for 2025
- VETS IN VANS INC EIN 37-2029710 · last filed 990 for 2024
- ROCKET DOG RESCUE INC EIN 80-0000407 · last filed 990 for 2025
- CAT TOWN EIN 27-3838132 · last filed 990 for 2024
- BAD RAP EIN 94-3397172 · last filed 990 for 2024
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- ANIMAL ETHICS INC EIN 46-1062870 · last filed 990 for 2025