Nonprofit · EIN 84-1612524
THE ARMSTRONG FOUNDATION
Tax-exempt · DENVER, CO 80202
Financials
| Year ended | Form | Revenue | Expenses | Net income | Total assets | Liabilities | Net assets |
|---|---|---|---|---|---|---|---|
| December 31, 2025 | 990-PF | $14,810,808 | $6,429,753 | $8,381,055 | $27,951,650 | $5,242,176 | $22,709,474 |
| December 31, 2024 | 990-PF | $1,331,672 | $656,728 | $674,944 | $20,015,890 | $129,300 | $19,886,590 |
| December 31, 2023 | 990-PF | $1,949,003 | $456,567 | $1,492,436 | $19,223,702 | $12,152 | $19,211,550 |
Financial details: 990-PF for the year ended December 31, 2025
Revenue
- Contributions, gifts and grants
- $7,966,902
- Dividends
- $1,406,682
- Interest
- $549
- Net gain from sales of assets
- $5,436,675
Expenses
- Grants and similar amounts paid
- $6,393,726
- Compensation of officers, directors and key employees
- $0
- Disbursements for charitable purposes
- $6,393,726
- Excise tax on investment income
- $94,630
Balance sheet and other
- Total assets, start of year
- $20,015,890
- Total assets, end of year
- $27,951,650
- Total liabilities, end of year
- $5,242,176
- Net assets, end of year
- $22,709,474
- Fair market value of assets
- $35,380,018
- Qualifying distributions
- $6,393,726
- Net investment income
- $6,843,906
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 |
|---|---|---|---|
| WILLIAM ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
| ELISABETH ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2024: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
| ELISABETH ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
990-PF for the year ended December 31, 2023: 2 people
| Name | Title | Hours / week | Compensation |
|---|---|---|---|
| WILLIAM ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
| ELISABETH ARMSTRONG 1421 BLAKE STREET, DENVER, CO 80202 | DIRECTOR | 2 | $0 |
Address and contacts
- Address (IRS master file)
- 1421 BLAKE ST, DENVER, CO 80202-1325
- In care of
- % ELISABETH ARMSTRONG
- Signed the 990-PF
- ELISABETH ARMSTRONG, DIRECTOR
- Phone
- (303) 740-9400
- Return prepared by
- PLANTE & MORAN PLLC
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
- 84-1612524
- 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
- 2003
- Accounting year ends
- December
- Files
- Form 990-PF
- Category (NTEE)
- Philanthropy, voluntarism and grantmaking foundations (T21)
- Assets (IRS master file)
- $27,951,650
- Income (IRS master file)
- $17,219,658
Filing history
| Form | Year ended | Revenue | Expenses | Assets | Return |
|---|---|---|---|---|---|
| 990-PF | December 2025 | $14,810,808 | $6,429,753 | $27,951,650 | IRS |
| 990-PF | December 2024 | $1,331,672 | $656,728 | $20,015,890 | IRS |
| 990-PF | December 2023 | $1,949,003 | $456,567 | $19,223,702 | 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 84-1612524).
Questions about THE ARMSTRONG FOUNDATION
- What is the EIN of THE ARMSTRONG FOUNDATION?
- The employer identification number (EIN) of THE ARMSTRONG FOUNDATION is 84-1612524.
- Is THE ARMSTRONG FOUNDATION tax-exempt?
- Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2003.
- Are donations to THE ARMSTRONG FOUNDATION tax-deductible?
- Yes. It is listed in IRS Publication 78 (Private foundation, 30% limit).
- Which annual return does THE ARMSTRONG FOUNDATION file?
- Form 990-PF. Private foundations file every year.
- When is the next return of THE ARMSTRONG 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 THE ARMSTRONG 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 THE ARMSTRONG FOUNDATION?
- The 990-PF for the year ended December 31, 2025 lists 2 people; 0 received compensation from the organization.
- How much revenue does THE ARMSTRONG FOUNDATION have?
- On its 990-PF for the year ended December 31, 2025 it reported revenue of $14,810,808, expenses of $6,429,753 and total assets of $27,951,650 at year end.
Other nonprofits in DENVER
- CHARTER FUND INC EIN 05-0620063 · last filed 990 for 2024
- DENVER FOUNDATION EIN 84-6048381 · last filed 990 for 2024
- DANIELS FUND EIN 84-1393308 · last filed 990-PF for 2024
- ANSCHUTZ FOUNDATION EIN 74-2316617 · last filed 990-PF for 2024
- ROSE COMMUNITY FOUNDATION EIN 84-0920862 · last filed 990 for 2024
- MILE HIGH UNITED WAY INC EIN 84-0404235 · last filed 990 for 2025
- COLORADO TRUST EIN 84-0994055 · last filed 990-PF for 2024
- IMPACT CHARITABLE EIN 47-1180598 · last filed 990 for 2024
All nonprofits in DENVER · Colorado · Philanthropy, voluntarism and grantmaking foundations