Nonprofit · EIN 36-4035204
OSCAR G & ELSA S MAYER FAMILY FOUNDATION
Tax-exempt · ARLINGTON HEIGHTS, IL 60005
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2024 | 990-PF | $1,787,711 | $855,525 | $932,186 | $12,340,188 | $0 | $12,340,188 |
| December 31, 2023 | 990-PF | $272,897 | $1,066,061 | -$793,164 | $11,407,801 | $0 | $11,407,801 |
Financial details: 990-PF for the year ended December 31, 2024
Revenue
- Dividends
- $330,883
- Interest
- $15,097
- Net gain from sales of assets
- $1,434,769
- Other income
- $6,962
Expenses
- Grants and similar amounts paid
- $531,280
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $665,613
- Excise tax on investment income
- $24,148
Balance sheet and other
- Total assets, start of year
- $11,407,801
- Total assets, end of year
- $12,340,188
- Total liabilities, end of year
- $0
- Net assets, end of year
- $12,340,188
- Fair market value of assets
- $17,579,664
- Qualifying distributions
- $665,613
- Net investment income
- $1,772,614
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, 2024, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SCOTT T MAYER 2211 MIDDLETON BEACH ROAD, MIDDLETON, WI 53717 | DIRECTOR & TREASURER | 1 | $0 |
| WILLIAM E MAYER 120 CANTERA CIRCLE, SANTA FE, NM 87501 | DIRECTOR & VICE PRESIDENT | 1 | $0 |
| CAROLYN S MONSON 21 S EVERGREEN AVE SUITE 210, ARLINGTON HEIGHTS, IL 60005 | ASST SECRETARY | 10 | $0 |
| OSCAR HENRY MAYER 155 N SHADY RETREAT ROAD, DOYLESTOWN, PA 18901 | DIRECTOR & PRESIDENT | 1 | $0 |
| DONALD L MAYER 1 HARBOR VIEW COURT, SAVANNAH, GA 31411 | DIRECTOR | 1 | $0 |
| TIMOTHY N THOMPSON 21 S EVERGREEN AVE SUITE 210, ARLINGTON HEIGHTS, IL 60005 | ASST TREASURER | 1 | $0 |
| ALISON SHETTER 5107 SUNSHINE CANYON DRIVE, BOULDER, CO 80302 | DIRECTOR & SECRETARY | 1 | $0 |
| STEPHANIE MAYER HEYDT 5 STONEBRIDGE LANE, WEST HARTFORD, CT 06107 | DIRECTOR | 1 | $0 |
| GREGORY K MAYER 7037 N 46TH PLACE, PARADISE VALLEY, AZ 85253 | DIRECTOR | 1 | $0 |
| SARAH RIDER 13589 VIA VARRA ROAD, BROOMFIELD, CO 80020 | DIRECTOR | 1 | $0 |
| OSCAR HARRISON MAYER 905 SW VINTNER DRIVE APT 441, PORTLAND, OR 97225 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2023: 11 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| SCOTT T MAYER 2211 MIDDLETON BEACH ROAD, MIDDLETON, WI 53717 | DIRECTOR & TREASURER | 1 | $0 |
| WILLIAM E MAYER 1411 N STATE PKWY APT 1N, CHICAGO, IL 60610 | DIRECTOR & VICE PRESIDENT | 1 | $0 |
| CAROLYN S MONSON 21 S EVERGREEN AVE SUITE 210, ARLINGTON HEIGHTS, IL 60005 | ASST SECRETARY | 10 | $0 |
| OSCAR HENRY MAYER 155 N SHADY RETREAT ROAD, DOYLESTOWN, PA 18901 | DIRECTOR & PRESIDENT | 1 | $0 |
| DONALD L MAYER 1 HARBOR VIEW COURT, SAVANNAH, GA 31411 | DIRECTOR | 1 | $0 |
| TIMOTHY N THOMPSON 21 S EVERGREEN AVE SUITE 210, ARLINGTON HEIGHTS, IL 60005 | ASST TREASURER | 1 | $0 |
| ALISON SHETTER 5107 SUNSHINE CANYON DRIVE, BOULDER, CO 80302 | DIRECTOR & SECRETARY | 1 | $0 |
| STEPHANIE MAYER HEYDT 334 ELMIRA PLACE NE, ATLANTA, GA 30307 | DIRECTOR | 1 | $0 |
| GREGORY K MAYER 7037 N 46TH PLACE, PARADISE VALLEY, AZ 85253 | DIRECTOR | 1 | $0 |
| SARAH RIDER 13589 VIA VARRA ROAD, BROOMFIELD, CO 80020 | DIRECTOR | 1 | $0 |
| OSCAR HARRISON MAYER 905 SW VINTNER DRIVE APT 441, PORTLAND, OR 97225 | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 21 S EVERGREEN AVENUE 210, ARLINGTON HEIGHTS, IL 60005-7800
- In care of
- % BARBARA J POPE P C
- Signed the 990-PF
- OSCAR HENRY MAYER, PRESIDENT
- Phone
- (312) 332-3682
- Return prepared by
- SEDGWICK ADVISERS LLC
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 | Not 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
- 36-4035204
- 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
- 1995
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T20Z)
- Assets (IRS master file)
- $12,340,188
- Income (IRS master file)
- $352,942
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2024 | $1,787,711 | $855,525 | $12,340,188 | XML |
| 990-T | December 2024 | – | – | – | IRS |
| 990-PF | December 2023 | $272,897 | $1,066,061 | $11,407,801 | XML |
| 990-T | December 2023 | – | – | – | IRS |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-T | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-T | December 2021 | – | – | – | IRS |
| 990-PF | December 2020 | – | – | – | IRS |
| 990-T | December 2020 | – | – | – | 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 36-4035204).
Questions about OSCAR G & ELSA S MAYER FAMILY FOUNDATION
- What is the EIN of OSCAR G & ELSA S MAYER FAMILY FOUNDATION?
- The employer identification number (EIN) of OSCAR G & ELSA S MAYER FAMILY FOUNDATION is 36-4035204.
- Is OSCAR G & ELSA S MAYER FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1995.
- Are donations to OSCAR G & ELSA S MAYER FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does OSCAR G & ELSA S MAYER FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of OSCAR G & ELSA S MAYER FAMILY FOUNDATION due?
- The return for tax year 2025 (the year ending December 31, 2025) is due May 15, 2026. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did OSCAR G & ELSA S MAYER FAMILY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended December 2024.
- Who are the officers and directors of OSCAR G & ELSA S MAYER FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2024 lists 11 people; 0 received compensation from the organization.
- How much revenue does OSCAR G & ELSA S MAYER FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2024 it reported revenue of $1,787,711, expenses of $855,525 and total assets of $12,340,188 at year end.
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