Nonprofit · EIN 36-4326978
CHICAGO SOCIETY FOUNDATION
Tax-exempt · OAK PARK, IL 60302
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $45,877 | $55,496 | -$9,619 | $1,181,376 | $0 | $1,181,376 |
| December 31, 2024 | 990-PF | $47,709 | $54,245 | -$6,536 | $1,080,930 | $0 | $1,080,930 |
| December 31, 2023 | 990-PF | $31,355 | $38,404 | -$7,049 | $937,882 | $0 | $937,882 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $45,877
Expenses
- Grants and similar amounts paid
- $49,100
- Disbursements for charitable purposes
- $55,496
- Excise tax on investment income
- $549
Balance sheet and other
- Total assets, start of year
- $1,080,930
- Total assets, end of year
- $1,181,376
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,181,376
- Fair market value of assets
- $1,181,376
- Qualifying distributions
- $104,596
- Net investment income
- $45,877
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 |
|---|---|---|---|
| Adam Konopka 2030 Birch Street, Park Ridge, IL 60068 | Secretary | 2 | $0 |
| Christopher Grzadiel 1805 Buckingham, Park Ridge, IL 60068 | Treasurer | 2 | $0 |
| Walter Piecewicz 1103 North Lombard Avenue, Oak Park, IL 60302 | Treasurer | 2 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Adam Konopka 2030 Birch Street, Park Ridge, IL 60068 | President | 2 | $0 |
| Stanley Sawa 1805 Buckingham, Westchester, IL 60154 | Treasurer | 2 | $0 |
| Walter Piecewicz 1103 North Lombard Avenue, Oak Park, IL 60302 | Secretary | 2 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| Peter Dykas 1325 Lois Avenue, Park Ridge, IL 60068 | President | 2 | $0 |
| Stanley Sawa 1805 Buckingham, Westchester, IL 60154 | Treasurer | 2 | $0 |
| Richard Ciesla 1808 Weeg Way, Park Ridge, IL 60068 | Secretary | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 1103 N LOMBARD AVE, OAK PARK, IL 60302-1127
- In care of
- % RONALD J OLECH CPA
- Signed the 990-PF
- Walter M Piecewicz, Treasurer
- Phone
- (312) 282-5367
- Website
- www.chicagosocietypna.org
- Return prepared by
- Walter M Piecewicz
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
- 36-4326978
- Tax-exempt status
- 501(c)(3): Charitable, religious, educational or scientific organization
- Foundation status
- Private non-operating foundation
- Donations deductible (Pub 78)
- Private foundation, 30% limit
- Exempt since
- 2002
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T90)
- Assets (IRS master file)
- $1,181,376
- Income (IRS master file)
- $45,877
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $45,877 | $55,496 | $1,181,376 | IRS |
| 990-PF | December 2024 | $47,709 | $54,245 | $1,080,930 | XML |
| 990-PF | December 2023 | $31,355 | $38,404 | $937,882 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-PF | December 2019 | – | – | – | IRS |
| 990-PF | 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 36-4326978).
Questions about CHICAGO SOCIETY FOUNDATION
- What is the EIN of CHICAGO SOCIETY FOUNDATION?
- The employer identification number (EIN) of CHICAGO SOCIETY FOUNDATION is 36-4326978.
- Is CHICAGO SOCIETY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
- Are donations to CHICAGO SOCIETY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does CHICAGO SOCIETY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of CHICAGO SOCIETY FOUNDATION 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 CHICAGO SOCIETY FOUNDATION 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 CHICAGO SOCIETY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does CHICAGO SOCIETY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $45,877, expenses of $55,496 and total assets of $1,181,376 at year end.
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