Nonprofit · EIN 33-1329617
INTERIM COMPUTER MUSEUM
Tax-exempt · TUKWILA, WA 98188
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-EZ | $118,426 | $47,355 | $71,071 | $72,314 | $0 | $72,314 |
| December 31, 2024 | 990-EZ | $2,000 | $757 | $1,243 | $1,243 | $0 | $1,243 |
Financial details: 990-EZ for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $109,184
- Program service revenue
- $0
- Investment income
- $23
- Net income from fundraising events
- $9
- Other revenue
- $9,210
Expenses
- Grants and similar amounts paid
- $0
- Compensation of officers, directors and key employees
- $0
- Salaries, compensation and benefits (total)
- $0
- Professional fees and payments to contractors
- $129
- Occupancy
- $45,549
- Printing, publications and postage
- $1,262
- Other expenses
- $415
- Program services (functional)
- $47,355
Balance sheet and other
- Total assets, start of year
- $1,243
- Total assets, end of year
- $72,314
- Total liabilities, end of year
- $0
- Net assets, end of year
- $72,314
- Cash, savings and investments
- $72,314
- Gross receipts
- $118,426
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 |
|---|---|---|---|
| Stephen M Jones | President | 10 | $0 |
| Tiffany Cabral | Treasurer | 10 | $0 |
| Migiwa Seito | Secretary | 10 | $0 |
990-EZ for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Stephen M Jones | President | 20 | $0 |
| Tiffany Cabral | Director | 5 | $0 |
Address and contacts
- Address (IRS master file)
- 998 INDUSTRY DR, TUKWILA, WA 98188-3412
- Signed the 990-EZ
- Stephen Jones, President
- Phone
- (206) 571-8580
- Website
- https://icm.museum
Mission
The Interim Computer Museum strives to preserve and share the history of computing through remotely accessible emulations and vintage computer hardware with modern enhancements.
Program accomplishments
- In 2024 the Interim Computer Museum made 21 vintage operating systems publically accessible for historical and educational purposes.Expenses $47,355
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 | Check at the IRS |
IRS record
- EIN
- 33-1329617
- 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
- 2025
- Accounting year ends
- December
- Files
- Form 990 or 990-EZ
- Category (NTEE)
- Arts, culture and humanities (A54)
- Assets (IRS master file)
- $72,314
- Income (IRS master file)
- $118,426
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-EZ | December 2025 | $118,426 | $47,355 | $72,314 | IRS |
| 990-EZ | December 2024 | $2,000 | $757 | $1,243 | XML |
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 33-1329617).
Questions about INTERIM COMPUTER MUSEUM
- What is the EIN of INTERIM COMPUTER MUSEUM?
- The employer identification number (EIN) of INTERIM COMPUTER MUSEUM is 33-1329617.
- Is INTERIM COMPUTER MUSEUM tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2025.
- Are donations to INTERIM COMPUTER MUSEUM tax-deductible?
- Yes. It is listed in IRS Publication 78 (Public charity, 50% deduction limit).
- Which annual return does INTERIM COMPUTER MUSEUM 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 INTERIM COMPUTER MUSEUM 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 INTERIM COMPUTER MUSEUM last file with the IRS?
- The latest return in the IRS public files is the 990-EZ for the year ended December 2025.
- Who are the officers and directors of INTERIM COMPUTER MUSEUM?
- The 990-EZ for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does INTERIM COMPUTER MUSEUM have?
- On its 990-EZ for the year ended December 31, 2025 it reported revenue of $118,426, expenses of $47,355 and total assets of $72,314 at year end.
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