Nonprofit · EIN 42-6373031
WESTENDORF FAMILY FOUNDATION
Tax-exempt · DAKOTA DUNES, SD 57049
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| October 31, 2025 | 990-PF | $157,048 | $153,195 | $3,853 | $4,449,511 | $0 | $4,449,511 |
| October 31, 2024 | 990-PF | $148,813 | $170,197 | -$21,384 | $3,655,954 | $8,264 | $3,647,690 |
| October 31, 2023 | 990-PF | $125,774 | $143,254 | -$17,480 | $3,126,633 | $0 | $3,126,633 |
Financial details: 990-PF for the year ended October 31, 2025
Revenue
- Dividends
- $29,320
- Net gain from sales of assets
- $127,728
Expenses
- Grants and similar amounts paid
- $143,500
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $147,100
- Excise tax on investment income
- $2,128
Balance sheet and other
- Total assets, start of year
- $3,655,954
- Total assets, end of year
- $4,449,511
- Total liabilities, end of year
- $0
- Net assets, end of year
- $4,449,511
- Fair market value of assets
- $4,449,511
- Qualifying distributions
- $147,100
- Net investment income
- $157,048
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 October 31, 2025, highest compensation first.
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| NEAL WESTENDORF 600 STEVENS PORT DR SUITE 115, DAKOTA DUNES, SD 57049 | TRUSTEE | 1 | $0 |
990-PF for the year ended October 31, 2024: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| NEAL WESTENDORF 600 STEVENS PORT DR SUITE 115, DAKOTA DUNES, SD 57049 | TRUSTEE | 1 | $0 |
990-PF for the year ended October 31, 2023: 1 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| NEAL WESTENDORF 600 STEVENS PORT DR SUITE 115, DAKOTA DUNES, SD 57049 | TRUSTEE | 1 | $0 |
Address and contacts
- Address (IRS master file)
- 600 STEVENS PORT DR STE 115, DAKOTA DUNES, SD 57049-5149
- In care of
- % NEAL W WESTENDORF
- Signed the 990-PF
- NEAL WESTENDORF, PRESIDENT
- Phone
- (712) 258-5550
- Return prepared by
- KING REINSCH PROSSER & CO LLP
What it must file and when
IRS records say it files Form 990-PF. Private foundations file every year. Its accounting year ends in October, so each return is due on the 15th day of the 5th month after that.
| Tax year | Year ended | Due | IRS public records |
|---|---|---|---|
| 2025 | October 31, 2026 | March 15, 2027 | Not due yet |
| 2024 | October 31, 2025 | March 16, 2026 | 990-PF on file |
| 2023 | October 31, 2024 | March 17, 2025 | 990-PF on file |
IRS record
- EIN
- 42-6373031
- 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
- 1986
- Accounting year ends
- October
- Files
- Form 990-PF
- Assets (IRS master file)
- $4,449,511
- Income (IRS master file)
- $160,191
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | October 2025 | $157,048 | $153,195 | $4,449,511 | XML |
| 990-PF | October 2024 | $148,813 | $170,197 | $3,655,954 | XML |
| 990-PF | October 2023 | $125,774 | $143,254 | $3,126,633 | XML |
| 990-PF | October 2022 | – | – | – | IRS |
| 990-PF | October 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 42-6373031).
Questions about WESTENDORF FAMILY FOUNDATION
- What is the EIN of WESTENDORF FAMILY FOUNDATION?
- The employer identification number (EIN) of WESTENDORF FAMILY FOUNDATION is 42-6373031.
- Is WESTENDORF FAMILY FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 1986.
- Are donations to WESTENDORF FAMILY FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does WESTENDORF FAMILY FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of WESTENDORF FAMILY FOUNDATION due?
- The return for tax year 2025 (the year ending October 31, 2026) is due March 15, 2027. Form 8868 extends it by six months; the 990-N cannot be extended.
- When did WESTENDORF FAMILY FOUNDATION last file with the IRS?
- The latest return in the IRS public files is the 990-PF for the year ended October 2025.
- Who are the officers and directors of WESTENDORF FAMILY FOUNDATION?
- The 990-PF for the year ended October 31, 2025 lists 1 person; 0 received compensation from the organization.
- How much revenue does WESTENDORF FAMILY FOUNDATION have?
- On its 990-PF for the year ended October 31, 2025 it reported revenue of $157,048, expenses of $153,195 and total assets of $4,449,511 at year end.
Other nonprofits in DAKOTA DUNES
- DAKOTA DUNES COUNTRY CLUB EIN 42-0527250 · last filed 990 for 2025
- BOB & GINNY PETERSON FOUNDATION EIN 91-1753779 · last filed 990-PF for 2025
- YOCKEY FOUNDATION EIN 20-3976147 · last filed 990-PF for 2025
- NORMAN AND SHEILA BERNSTEIN FOUNDATION EIN 46-1910593 · last filed 990-PF for 2025
- MSJB FAMILY FOUNDATION EIN 46-4743937 · last filed 990-PF for 2025
- TOLERANCE WEEK INC EIN 81-2505853 · last filed 990 for 2025
- DOKKEN FAMILY FOUNDATION EIN 46-4744160 · last filed 990-PF for 2025
- DOROTHY BABCOCK FAMILY CHARITABLEFOUNDATION EIN 20-8080940 · last filed 990-PF for 2024