Nonprofit · EIN 93-3246532
TINKER COOP
Tax-exempt · BERKELEY, CA 94702
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| July 31, 2025 | 990-EZ | $129,826 | $125,340 | $4,486 | $10,070 | $2,101 | $7,969 |
| July 31, 2024 | 990-EZ | – | $123 | – | $3,483 | – | $3,483 |
Financial details: 990-EZ for the year ended July 31, 2025
Revenue
- Contributions, gifts and grants
- $25,021
- Program service revenue
- $104,805
Expenses
- Compensation of officers, directors and key employees
- $38,687
- Salaries, compensation and benefits (total)
- $65,352
- Professional fees and payments to contractors
- $1,300
- Occupancy
- $14,400
- Other expenses
- $44,288
- Program services (functional)
- $115,182
Balance sheet and other
- Total assets, start of year
- $3,483
- Total assets, end of year
- $10,070
- Total liabilities, end of year
- $2,101
- Net assets, end of year
- $7,969
- Cash, savings and investments
- $10,070
- Gross receipts
- $129,826
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 July 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTINE MYTKO | EXECUTIVE DI | 22.8 | $36,662 |
| JANE YARNELL | PRESIDENT | 1.3 | $2,025 |
| DEB VOLK | TREASURER | 0.2 | $0 |
| EVELYN ENDERTON | VICE-CHAIR | 0.2 | $0 |
| ELAN BUSTOS | SECRETARY | 0.2 | $0 |
990-EZ for the year ended July 31, 2024: 5 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| CHRISTINE MYTKO | EXECUTIVE DI | 20 | $0 |
| JANE YARNELL | PRESIDENT | 1.5 | $0 |
| DEB VOLK | TREASURER | 1.5 | $0 |
| EVELYN ENDERTON | VICE-CHAIR | 1.5 | $0 |
| ELAN BUSTOS | SECRETARY | 1.5 | $0 |
Address and contacts
- Address (IRS master file)
- 1310 UNIVERSITY AVE, BERKELEY, CA 94702-1711
- In care of
- % CHRISTINE MYTKO
- Mailing address (990-N for 2023)
- 3233 CALIFORNIA STREET, BERKELEY CA 94703
- Principal officer (990-N for 2023)
- CHRISTINE MYTKO, 3233 CALIFORNIA STREET, BERKELEY CA 94703
- Signed the 990-EZ
- CHRISTINE MYTKO, EXECUTIVE DIRECTOR
- Phone
- (415) 298-2891
- Website
- HTTPS://WWW.TINKERCOOP.ORG/
- Return prepared by
- MARJTAX INCORPORATED
California records
California keeps its own records of charities and corporations. Search them by EIN 93-3246532 or by the name TINKER COOP.
- 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
STEM AND ROBOTICS PROGRAMS FOR YOUNG PEOPLE IN GRADES K-8
Program accomplishments
- ROBOTICS: TINKER COOP'S ROBOTICS PROGRAMS ENGAGED 65 STUDENTS IN HANDS-ON STEM. STUDENTS IN GRADES K-8 BUILT, CODED, AND COMPETED IN FIRST ROBOTICS. ROBOTICS BUILT TEAMWORK, CREATIVITY, AND PRACTICAL ENGINEERING SKILLS.Expenses $115,182
- MAKER CLUBS: ENGAGED NEARLY 100 STUDENTS IN GRADES 3-8 IN HANDS-ON MAKER ACTIVITIES. STUDENTS EXPLORED STEM, CREATIVITY, AND DESIGN THROUGH MAKING. AND BUILT SKILLS WHILE FOSTERING JOY, CONNECTION AND COLLABORATION.
- COMMUNITY OUTREACH: ENGAGED 500+ PARTICIPANTS THROUGH FAMILY MAKER EVENTS & OUTREACH. PROGRAMS EMPHASIZED STEM ACCESS, CREATIVITY, AND COMMUNITY TIES. INSPIRED YOUTH AND FAMILIES TO EXPLORE, TINKER, AND INNOVATE TOGETHER.
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 July, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | July 31, 2026 | December 15, 2026 | Not due yet |
| 2024 | July 31, 2025 | December 15, 2025 | 990-EZ on file |
| 2023 | July 31, 2024 | December 16, 2024 | 990-EZ on file |
IRS record
- EIN
- 93-3246532
- 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
- 2023
- Accounting year ends
- July
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Education (B80)
- Assets (IRS master file)
- $10,070
- Income (IRS master file)
- $129,826
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | July 2025 | $129,826 | $125,340 | $10,070 | XML |
| 990-EZ | July 2024 | – | $123 | $3,483 | XML |
| 990-N for 2023 Officer: CHRISTINE MYTKO | June 30, 2024 | ≤ $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 93-3246532).
Questions about TINKER COOP
- What is the EIN of TINKER COOP?
- The employer identification number (EIN) of TINKER COOP is 93-3246532.
- Is TINKER COOP tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2023.
- Are donations to TINKER COOP tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does TINKER COOP 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 TINKER COOP due?
- The return for tax year 2025 (the year ending July 31, 2026) is due December 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did TINKER COOP last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended July 2025.
- Who is the principal officer of TINKER COOP?
- The 990-N for 2023 names CHRISTINE MYTKO.
- Who are the officers and directors of TINKER COOP?
- The 990-EZ for the year ended July 31, 2025 lists 5 people; 2 received compensation from the organization, the highest $36,662 (CHRISTINE MYTKO, EXECUTIVE DI).
- How much revenue does TINKER COOP have?
- On its 990-EZ for the year ended July 31, 2025 it reported revenue of $129,826, expenses of $125,340 and total assets of $10,070 at year end.
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