Nonprofit · EIN 45-1800245
ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION
Tax-exempt · DANVILLE, CA 94526
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $109,274 | $90,154 | $19,120 | $92,932 | – | $92,932 |
| December 31, 2024 | 990-EZ | $100,775 | $61,981 | $38,794 | $73,812 | – | $73,812 |
| December 31, 2023 | 990-EZ | $94,466 | $130,095 | -$35,629 | $35,018 | – | $35,018 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $77,905
- Program service revenue
- $31,077
- Other revenue
- $292
Expenses
- Compensation of officers, directors and key employees
- $0
- Professional fees and payments to contractors
- $8,703
- Printing, publications and postage
- $3,614
- Other expenses
- $77,837
- Program services (functional)
- $89,118
Balance sheet and other
- Total assets, start of year
- $73,812
- Total assets, end of year
- $92,932
- Total liabilities, end of year
- –
- Net assets, end of year
- $92,932
- Cash, savings and investments
- $92,932
- Gross receipts
- $109,274
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 |
|---|---|---|---|
| Patricia Carothers | Executive Dir. | 50 | $0 |
| Balita Shepperson | Fair Director | 46 | $0 |
| Andrew Currier | Treasurer | 22 | $0 |
| Jeremy Wall | Director | 20 | $0 |
| Rohan Karunarantne | Director | 15 | $0 |
| Priya Tivare | Director | 14 | $0 |
| Tatyana Borovina | Asst Director | 13 | $0 |
| Geeta Hiremath | Corp Relations | 13 | $0 |
| Robin Groch | Secretary | 47 | $0 |
| Raghu Dhara | Director | 6 | $0 |
| Arjuna Karunarantne | Director | 6 | $0 |
| Xi Chen | Director | 3 | $0 |
| Diana Chen | Director | 3 | $0 |
| Aditi Kiran | SLB Student Ld | 3 | $0 |
| Shrish Premkrishna | SLB Student Ld | 3 | $0 |
2 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Tony Wang | Director | 1 | $0 |
| Hiten Shah | Director | 1 | $0 |
990-EZ for the year ended December 31, 2024: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Patricia Carothers | Executive Dir. | 47 | $0 |
| Balita Shepperson | Fair Director | 39 | $0 |
| Andrew Currier | Treasurer | 22 | $0 |
| Jeremy Wall | Director | 20 | $0 |
| Rohan Karunarantne | Director | 15 | $0 |
| Priya Tivare | Director | 14 | $0 |
| Tatyana Borovina | Director | 13 | $0 |
| Geeta Hiremath | Corp Relations | 13 | $0 |
| Robin Groch | Secretary | 38 | $0 |
| Raghu Dhara | Director | 6 | $0 |
| Arjuna Karunarantne | Director | 6 | $0 |
| Xi Chen | Director | 3 | $0 |
| Diana Chen | Director | 3 | $0 |
| Aditi Kiran | SLB Student Ld | 3 | $0 |
| Shrish Premkrishna | SLB Student Ld | 3 | $0 |
| Tony Wang | Director | 1 | $0 |
| Hiten Shah | Director | 1 | $0 |
990-EZ for the year ended December 31, 2023: 17 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Balita Shepperson | Fair Director | 38 | $15,984 |
| Nicholas Young | Director | 19 | $2,400 |
| Patricia Carothers | Executive Dir. | 46 | $0 |
| Andrew Currier | Treasurer | 21 | $0 |
| Rohan Karunarantne | Director | 15 | $0 |
| Priya Tivare | Director | 14 | $0 |
| Tatyana Borovina | Director | 12 | $0 |
| Geeta Hiremath | Corp Relations | 13 | $0 |
| Robin Groch | Secretary | 10 | $0 |
| Raghu Dhara | Director | 6 | $0 |
| Arjuna Karunarantne | Director | 6 | $0 |
| Xi Chen | Director | 3 | $0 |
| Diana Chen | Director | 3 | $0 |
| Aditi Kiran | SLB Sudent Lead | 3 | $0 |
| Shrish Premkrishna | SLB Sudent Lead | 3 | $0 |
| Tony Wang | Director | 1 | $0 |
| Susan Zeng | Director | 0.5 | $0 |
Address and contacts
- Address (IRS master file)
- 691 THORNHILL RD, DANVILLE, CA 94526-3634
- In care of
- % PATRICIA CAROTHERS
- Mailing address (990-N for 2019)
- 2622 York St, West Linn OR 97068
- Principal officer (990-N for 2019)
- Leo Groner, 2622 York St, West Linn OR 97068
- Signed the 990-EZ
- Andrew Currier, Treasurer
- Phone
- (925) 353-4414
- Website
- https://www.acsef.org
- Return prepared by
- David D McCormick CPA
California records
California keeps its own records of charities and corporations. Search them by EIN 45-1800245 or by the name ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION.
- 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
To support the advancement of science, engineering, math and technology among middle school and high school level students.
Program accomplishments
- The organization sponsors a county wide science fair closely affiliated with the Intel International Science Fair (ISEF) and the California State Science Fair (CSSF). The organization's goal is to promote scientific inquiry, project and research based science among students within Alameda County. The fair is accessible to all middle school and high school students within the county, including public, private, charter, parochial and home schooled students. Pre-science fair workshops and educational activities are conducted in cities throughout Alameda County. The organization also works closely with teachers to encourage student participation and to prepare science research projects.Expenses $89,118
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
- 45-1800245
- 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
- 2012
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Science and technology (U20)
- Assets (IRS master file)
- $92,932
- Income (IRS master file)
- $109,274
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $109,274 | $90,154 | $92,932 | XML |
| 990-EZ | December 2024 | $100,775 | $61,981 | $73,812 | IRS |
| 990-EZ | December 2023 | $94,466 | $130,095 | $35,018 | XML |
| 990-EZ | December 2022 | – | – | – | IRS |
| 990-EZ | December 2021 | – | – | – | IRS |
| 990-EZ | December 2020 | – | – | – | IRS |
| 990-N for 2019 Officer: Leo Groner | December 31, 2019 | ≤ $50,000 receipts | – | – | e-Postcard |
| 990-EZ | 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 45-1800245).
Questions about ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION
- What is the EIN of ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION?
- The employer identification number (EIN) of ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION is 45-1800245.
- Is ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2012.
- Are donations to ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION 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 ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION 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 ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION 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 ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION?
- The 990-N for 2019 names Leo Groner.
- Who are the officers and directors of ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION?
- The 990-EZ for the year ended December 31, 2025 lists 17 people; 0 received compensation from the organization.
- How much revenue does ALAMEDA COUNTY SCIENCE AND ENGINEERING FAIR ASSOCIATION have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $109,274, expenses of $90,154 and total assets of $92,932 at year end.
Other nonprofits in DANVILLE
- INTERNATIONAL SOCIETY OF INNOVATION METHODS EIN 38-4017539 · last filed 990-EZ for 2025
- KOREAN AMERICAN SEMICONDUCTOR PROFESSIONAL ALLIANCE EIN 33-3487382 · last filed 990-N for 2025
- DEEP TIME INSTITUTE EIN 47-2450919 · last filed 990-N for 2023
- ATHENIAN SCHOOL EIN 94-6070808 · last filed 990 for 2025
- BLACKHAWK COUNTRY CLUB EIN 94-3054609 · last filed 990 for 2024
- THE REUTLINGER COMMUNITY EIN 94-3201366 · last filed 990 for 2024
- SAN RAMON VALLEY SCHOOL AGE CHILD CARE ALLIANCE INC EIN 68-0068072 · last filed 990 for 2025
- QUEST FOUNDATION EIN 20-1844715 · last filed 990-PF for 2024
All nonprofits in DANVILLE · California · Science and technology