Nonprofit · EIN 81-4822464
21ST CENTURY INSTITUTE
Tax-exempt (reinstated) · WESTMONT, IL 60559
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $74,066 | $184,775 | -$110,709 | $3,778,855 | $33,727 | $3,745,128 |
| December 31, 2024 | 990-PF | $289,834 | $198,123 | $91,711 | $3,339,822 | $24,761 | $3,315,061 |
| December 31, 2023 | 990-PF | $73,136 | $148,533 | -$75,397 | $2,590,854 | $25,211 | $2,565,643 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $24,373
- Interest
- $11,750
- Net gain from sales of assets
- $37,943
Expenses
- Grants and similar amounts paid
- $5,000
- Compensation of officers, directors and key employees
- $150,346
- Disbursements for charitable purposes
- $94,888
- Excise tax on investment income
- $1,030
Balance sheet and other
- Total assets, start of year
- $3,339,822
- Total assets, end of year
- $3,778,855
- Total liabilities, end of year
- $33,727
- Net assets, end of year
- $3,745,128
- Fair market value of assets
- $3,778,855
- Qualifying distributions
- $94,888
- Net investment income
- $74,066
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-PF for the year ended December 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sharon K Tan 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | PRESIDENT and Education Dirctor | 20 | $100,000 |
| KEVIN K TAN 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | SECRETARY | 20 | $30,346 |
| WEIDONG SHI 23 INDIAN TRAIL DR, WESTMONT, IL 60559 | VICE PRESIDENT | 20 | $20,000 |
| Sharon Tan 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | Education Director Highest-paid employee | 40 | $0 |
990-PF for the year ended December 31, 2024: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sharon K Tan 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | PRESIDENT and Education Dirctor | 20 | $100,000 |
| KEVIN K TAN 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | SECRETARY | 20 | $24,000 |
| WEIDONG SHI 23 INDIAN TRAIL DR, WESTMONT, IL 60559 | VICE PRESIDENT | 20 | $8,333 |
| Sharon Tan 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | Education Director Highest-paid employee | 40 | $0 |
990-PF for the year ended December 31, 2023: 4 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Sharon K Tan 23 INDIAN TRAIL DR, Westmont, IL 60559 | PRESIDENT and Education Dirctor | 20 | $41,667 |
| Sharon Tan 27221 Paseo Peregrino, San Juan Capistrano, CA 92675 | Education Director Highest-paid employee | 40 | $41,667 |
| KEVIN K TAN 23 INDIAN TRAIL DR, Westmont, IL 60559 | SECRETARY | 20 | $0 |
| WEIDONG SHI 23 INDIAN TRAIL DR, WESTMONT, IL 60559 | VICE PRESIDENT | 20 | $0 |
Address and contacts
- Address (IRS master file)
- 23 INDIAN TRAIL DR, WESTMONT, IL 60559-6140
- In care of
- % SHARON TAN
- Signed the 990-PF
- Sharon Tan, President
- Phone
- (630) 205-2126
- Website
- https//www.tci21.org/
- Return prepared by
- J&Y CPA Consulting Company PC
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. 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-PF on file |
| 2024 | December 31, 2024 | May 15, 2025 | 990-PF on file |
| 2023 | December 31, 2023 | May 15, 2024 | 990-PF on file |
IRS record
- EIN
- 81-4822464
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private operating foundation
- Donations deductible (Pub 78)
- Private operating foundation, 50% limit
- Exempt since
- 2017
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Education (B90)
- Assets (IRS master file)
- $3,778,855
- Income (IRS master file)
- $175,812
Revocation and reinstatement
- Exemption revoked
- May 15, 2015
- Posted by the IRS
- May 23, 2017
- Reinstated
- Effective April 15, 2017
From the IRS automatic revocation list: organizations that did not file a required return or e-Postcard for three consecutive years.
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $74,066 | $184,775 | $3,778,855 | IRS |
| 990-PF | December 2024 | $289,834 | $198,123 | $3,339,822 | IRS |
| 990-PF | December 2023 | $73,136 | $148,533 | $2,590,854 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | 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 81-4822464).
Questions about 21ST CENTURY INSTITUTE
- What is the EIN of 21ST CENTURY INSTITUTE?
- The employer identification number (EIN) of 21ST CENTURY INSTITUTE is 81-4822464.
- Is 21ST CENTURY INSTITUTE tax-exempt?
- Yes. The IRS revoked its exemption on May 15, 2015 and reinstated it effective April 15, 2017.
- Are donations to 21ST CENTURY INSTITUTE tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private operating foundation, 50% limit).
- Which annual return does 21ST CENTURY INSTITUTE file?
- Form 990-PF. Private foundations file every year.
- When is the next return of 21ST CENTURY INSTITUTE 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 21ST CENTURY INSTITUTE last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2025.
- Who are the officers and directors of 21ST CENTURY INSTITUTE?
- The 990-PF for the year ended December 31, 2025 lists 4 people; 3 received compensation from the organization, the highest $100,000 (Sharon K Tan, PRESIDENT and Education Dirctor).
- How much revenue does 21ST CENTURY INSTITUTE have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $74,066, expenses of $184,775 and total assets of $3,778,855 at year end.
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