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Nonprofit · EIN 91-6533323

HARKOVY-MACK FAMILY FOUNDATION

Tax-exempt · MERCER ISLAND, WA 98040

Financials

$8K$33K2023$60K$30K2024$79K$16K2025
Revenue Expenses · by fiscal year end
Financials of HARKOVY-MACK FAMILY FOUNDATION by year, from its e-filed returns
Year endedFormRevenueExpensesNet incomeTotal assetsLiabilitiesNet assets
December 31, 2025990-PF$78,754$15,813$62,941$290,585$0$290,585
December 31, 2024990-PF$59,977$29,678$30,299$227,644$0$227,644
December 31, 2023990-PF$7,708$32,702-$24,994$197,345$0$197,345
Financial details: 990-PF for the year ended December 31, 2025

Revenue

Contributions, gifts and grants
$50,000
Dividends
$5,755
Net gain from sales of assets
$22,999

Expenses

Grants and similar amounts paid
$12,500
Compensation of officers, directors and key employees
$0
Disbursements for charitable purposes
$13,886
Excise tax on investment income
$379

Balance sheet and other

Total assets, start of year
$227,644
Total assets, end of year
$290,585
Total liabilities, end of year
$0
Net assets, end of year
$290,585
Fair market value of assets
$327,997
Qualifying distributions
$13,886
Net investment income
$28,754

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.

NameTitleHours / weekCompensation
CARIN MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0
SARAH MACK
578 ELMGROVE AVE, PROVIDENCE, RI 02906
TRUSTEE1$0
EMILY MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0
990-PF for the year ended December 31, 2024: 3 people
NameTitleHours / weekCompensation
CARIN MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0
SARAH MACK
578 ELMGROVE AVE, PROVIDENCE, RI 02906
TRUSTEE1$0
EMILY MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0
990-PF for the year ended December 31, 2023: 3 people
NameTitleHours / weekCompensation
CARIN MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0
SARAH MACK
578 ELMGROVE AVE, PROVIDENCE, RI 02906
TRUSTEE1$0
EMILY MACK
8421 SE 35TH ST, MERCER ISLAND, WA 98040
TRUSTEE1$0

Address and contacts

Address (IRS master file)
8421 SE 35TH ST, MERCER ISLAND, WA 98040-3027
In care of
% GORES & BLAIS
Signed the 990-PF
CARIN MACK, PRESIDENT
Phone
(206) 232-4563
Return prepared by
ACSTAGE CPA

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 yearYear endedDueIRS public records
2025December 31, 2025May 15, 2026990-PF on file
2024December 31, 2024May 15, 2025990-PF on file
2023December 31, 2023May 15, 2024990-PF on file

IRS record

EIN
91-6533323
Tax-exempt status
501(c)(3): Charitable, religious, educational or scientific organization
Foundation status
Private non-operating foundation
Donations deductible
No
Exempt since
2001
Accounting year ends
December
Files
Form 990-PF
Assets (IRS master file)
$290,585
Income (IRS master file)
$145,200

Filing history

FormYear endedRevenueExpensesAssetsReturn
990-PFDecember 2025$78,754$15,813$290,585XML
990-PFDecember 2024$59,977$29,678$227,644XML
990-PFDecember 2023$7,708$32,702$197,345XML
990-PFDecember 2022–––IRS
990-PFDecember 2021–––IRS
990-PFDecember 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 91-6533323).

Questions about HARKOVY-MACK FAMILY FOUNDATION

What is the EIN of HARKOVY-MACK FAMILY FOUNDATION?
The employer identification number (EIN) of HARKOVY-MACK FAMILY FOUNDATION is 91-6533323.
Is HARKOVY-MACK FAMILY FOUNDATION tax-exempt?
Yes. The IRS lists it as tax-exempt under section 501(c)(3) since 2001.
Are donations to HARKOVY-MACK FAMILY FOUNDATION tax-deductible?
No. The IRS master file says contributions to it are not deductible.
Which annual return does HARKOVY-MACK FAMILY FOUNDATION file?
Form 990-PF. Private foundations file every year.
When is the next return of HARKOVY-MACK 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 HARKOVY-MACK 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 HARKOVY-MACK FAMILY FOUNDATION?
The 990-PF for the year ended December 31, 2025 lists 3 people; 0 received compensation from the organization.
How much revenue does HARKOVY-MACK FAMILY FOUNDATION have?
On its 990-PF for the year ended December 31, 2025 it reported revenue of $78,754, expenses of $15,813 and total assets of $290,585 at year end.

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