Nonprofit · EIN 93-1296528
MACKWORTH-MENDOZA FOUNDTION
Tax-exempt · KEY BISCAYNE, FL 33149
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $53,391 | $584,700 | -$531,309 | $1,043,870 | $30,750 | $1,013,120 |
| December 31, 2024 | 990-PF | $56,629 | $119,370 | -$62,741 | $1,333,117 | $1,190 | $1,331,927 |
| December 31, 2023 | 990-PF | $57,967 | $106,917 | -$48,950 | $1,393,682 | $875 | $1,392,807 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Dividends
- $50,153
- Interest
- $4
- Net gain from sales of assets
- $3,234
Expenses
- Grants and similar amounts paid
- $580,000
- Disbursements for charitable purposes
- $580,920
- Excise tax on investment income
- $700
Balance sheet and other
- Total assets, start of year
- $1,333,117
- Total assets, end of year
- $1,043,870
- Total liabilities, end of year
- $30,750
- Net assets, end of year
- $1,013,120
- Fair market value of assets
- $1,043,870
- Qualifying distributions
- $580,920
- Net investment income
- $53,391
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 |
|---|---|---|---|
| HUGH F MACKWORTH 1111 CRANDON BLVD A601, KEY BISCAYNE, FL 33149 | PRESIDENT | 1 | $0 |
| JOSIE G MENDOZA 1111 CRANDON BLVD A601, KEY BISCAYNE, FL 33149 | SECRETARY | 1 | $0 |
| ALEXANDER MACKWORTH 1232 28TH AVE, SAN FRANCISCO, CA 94122 | MEMBER | 1 | $0 |
990-PF for the year ended December 31, 2024: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HUGH F MACKWORTH 1111 CRANDON BLVD A601, KEY BISCAYNE, FL 33149 | PRESIDENT | 1 | $0 |
| JOSIE G MENDOZA 1111 CRANDON BLVD A601, KEY BISCAYNE, FL 33149 | SECRETARY | 1 | $0 |
| ALEXANDER MACKWORTH 1232 28TH AVE, SAN FRANCISCO, CA 94122 | MEMBER | 0 | $0 |
990-PF for the year ended December 31, 2023: 3 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| HUGH F MACKWORTH 701 TERRACE DRIVE, LAKE OSWEGO, OR 97034 | PRESIDENT | 1 | $0 |
| JOSIE G MENDOZA 701 TERRACE DRIVE, LAKE OSWEGO, OR 97034 | SECRETARY | 1 | $0 |
| DONALD L KRAHMER JR 1211 SW 5TH AVE, PORTLAND, OR 97204 | DIRECTOR | 0 | $0 |
Address and contacts
- Address (IRS master file)
- 1111 CRANDON BLVD APT A601, KEY BISCAYNE, FL 33149-2624
- In care of
- % DONALD L KRAHMER JR
- Signed the 990-PF
- HUGH F MACKWORTH, PRESIDENT
- Phone
- (503) 816-9711
- Return prepared by
- SIMPSON & 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
- 93-1296528
- 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 (T20)
- Assets (IRS master file)
- $1,043,870
- Income (IRS master file)
- $60,157
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $53,391 | $584,700 | $1,043,870 | IRS |
| 990-PF | December 2024 | $56,629 | $119,370 | $1,333,117 | IRS |
| 990-PF | December 2023 | $57,967 | $106,917 | $1,393,682 | 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 93-1296528).
Questions about MACKWORTH-MENDOZA FOUNDTION
- What is the EIN of MACKWORTH-MENDOZA FOUNDTION?
- The employer identification number (EIN) of MACKWORTH-MENDOZA FOUNDTION is 93-1296528.
- Is MACKWORTH-MENDOZA FOUNDTION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2002.
- Are donations to MACKWORTH-MENDOZA FOUNDTION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does MACKWORTH-MENDOZA FOUNDTION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of MACKWORTH-MENDOZA FOUNDTION 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 MACKWORTH-MENDOZA FOUNDTION 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 MACKWORTH-MENDOZA FOUNDTION?
- The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
- How much revenue does MACKWORTH-MENDOZA FOUNDTION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $53,391, expenses of $584,700 and total assets of $1,043,870 at year end.
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