Nonprofit · EIN 83-0322568
ZIMMERMAN FAMILY FOUNDATION
Tax-exempt · CASPER, WY 82601
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $1,532,964 | $1,266,224 | $266,740 | $1,210,885 | $0 | $1,210,885 |
| December 31, 2024 | 990-PF | $1,070,586 | $715,662 | $354,924 | $1,299,699 | $0 | $1,299,699 |
| December 31, 2023 | 990-PF | $647,795 | $746,176 | -$98,381 | $1,300,058 | $0 | $1,300,058 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $897,877
- Dividends
- $14,471
- Interest
- $7,523
- Net gain from sales of assets
- $613,093
Expenses
- Grants and similar amounts paid
- $1,248,646
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $1,250,121
- Excise tax on investment income
- $8,669
Balance sheet and other
- Total assets, start of year
- $1,299,699
- Total assets, end of year
- $1,210,885
- Total liabilities, end of year
- $0
- Net assets, end of year
- $1,210,885
- Fair market value of assets
- $1,583,698
- Qualifying distributions
- $1,250,121
- Net investment income
- $635,087
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 |
|---|---|---|---|
| RHONDA S ZIMMERMAN 1240 MORADO, CASPER, WY 82609 | PRESIDENT/DIRECTOR | 1 | $0 |
| MITCHEL D ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | TREASURER/DIRECTOR | 1 | $0 |
| MICHAEL D ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | DIRECTOR | 1 | $0 |
| RENEE D STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| LILY ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| EVA M ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | SECRETARY/DIRECTOR | 1 | $0 |
| CORY STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| GREG CARROLL 2361 TROJAN DRIVE, CASPER, WY 82609 | DIRECTOR | 1 | $0 |
| COLLIN ZIMMERMAN 1602 WEST WATERCRESS AVE, POST FALLS, ID 83854 | DIRECTOR | 1 | $0 |
| AUSTIN ZIMMERMAN 7292 BESSEMER BEND SOUTH RD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| MACKENZIE STIRLING 151 RIVER STREET, MIDDLETON, MA 01949 | DIRECTOR | 1 | $0 |
| CLAYTON STIRLING 250 ARROW TRAIL, BOZEMAN, MT 59718 | DIRECTOR | 1 | $0 |
| ELAINA STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| KENDRA JARRARD 1240 MORADO, CASPER, WY 82609 | DIRECTOR | 1 | $0 |
| JENELLE ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | DIRECTOR | 1 | $0 |
1 more people on this return
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| IZABELLE ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2024: 15 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| GAIL D ZIMMERMAN 3720 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| RHONDA S ZIMMERMAN 1240 MORADO, CASPER, WY 82609 | PRESIDENT/DIRECTOR | 1 | $0 |
| MITCHEL D ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | TREASURER/DIRECTOR | 1 | $0 |
| MICHAEL D ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | DIRECTOR | 1 | $0 |
| RENEE D STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| LILY ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| EVA M ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | SECRETARY/DIRECTOR | 1 | $0 |
| CORY STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| GREG CARROLL 2361 TROJAN DRIVE, CASPER, WY 82609 | DIRECTOR | 1 | $0 |
| COLLIN ZIMMERMAN 1602 WEST WATERCRESS AVE, POST FALLS, ID 83854 | DIRECTOR | 1 | $0 |
| AUSTIN ZIMMERMAN 7292 BESSEMER BEND SOUTH RD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| MACKENZIE STIRLING 151 RIVER STREET, MIDDLETON, MA 01949 | DIRECTOR | 1 | $0 |
| CLAYTON STIRLING 250 ARROW TRAIL, BOZEMAN, MT 59718 | DIRECTOR | 1 | $0 |
| ELAINA STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| KENDRA JARRARD 1240 MORADO, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
990-PF for the year ended December 31, 2023: 15 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| GAIL D ZIMMERMAN 2361 TROJAN DRIVE, CASPER, WY 82609 | DIRECTOR | 1 | $0 |
| RHONDA S ZIMMERMAN 1240 MORADO, CASPER, WY 82609 | PRESIDENT/DIRECTOR | 1 | $0 |
| MITCHEL D ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | TREASURER/DIRECTOR | 1 | $0 |
| MICHAEL D ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | DIRECTOR | 1 | $0 |
| RENEE D STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| LILY ZIMMERMAN 11880 BESSEMER BEND ROAD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| EVA M ZIMMERMAN 7777 ALEXANDER ROAD, EVANSVILLE, WY 82636 | SECRETARY/DIRECTOR | 1 | $0 |
| CORY STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| GREG CARROLL 1702 EMIGRANT TRAIL, CASPER, WY 82601 | DIRECTOR | 1 | $0 |
| COLLIN ZIMMERMAN 1602 WEST WATERCRESS AVE, POST FALLS, ID 83854 | DIRECTOR | 1 | $0 |
| AUSTIN ZIMMERMAN 7292 BESSEMER BEND SOUTH RD, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| MACKENZIE STIRLING 1 WELLESLEY AVENUE, BURLINGTON, MA 01803 | DIRECTOR | 1 | $0 |
| CLAYTON STIRLING 305 SOUTH 5TH STREET, BOZEMAN, MT 59715 | DIRECTOR | 1 | $0 |
| ELAINA STIRLING 3740 ASPEN PLACE, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
| KENDRA JARRARD 1240 MORADO, CASPER, WY 82604 | DIRECTOR | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 400 E 1ST ST STE 311, CASPER, WY 82601-2561
- In care of
- % RHONDA ZIMMERMAN
- Signed the 990-PF
- RHONDA S ZIMMERMAN, PRESIDENT
- Phone
- (307) 473-8975
- Website
- ZFAMILYFOUNDATION.COM
- Return prepared by
- LENHART MASON & ASSOCIATES 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 | 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
- 83-0322568
- 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
- 1998
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Education (B82Z)
- Assets (IRS master file)
- $1,210,885
- Income (IRS master file)
- $2,641,384
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $1,532,964 | $1,266,224 | $1,210,885 | XML |
| 990-PF | December 2024 | $1,070,586 | $715,662 | $1,299,699 | XML |
| 990-PF | December 2023 | $647,795 | $746,176 | $1,300,058 | XML |
| 990-PF | December 2022 | – | – | – | IRS |
| 990-PF | December 2021 | – | – | – | IRS |
| 990-PF | 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 83-0322568).
Questions about ZIMMERMAN FAMILY FOUNDATION
- What is the EIN of ZIMMERMAN FAMILY FOUNDATION?
- The employer identification number (EIN) of ZIMMERMAN FAMILY FOUNDATION is 83-0322568.
- Is ZIMMERMAN FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1998.
- Are donations to ZIMMERMAN FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does ZIMMERMAN FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of ZIMMERMAN FAMILY 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 ZIMMERMAN FAMILY 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 ZIMMERMAN FAMILY FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 16 people; 0 received compensation from the organization.
- How much revenue does ZIMMERMAN FAMILY FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $1,532,964, expenses of $1,266,224 and total assets of $1,210,885 at year end.
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