MOSAKOWSKI FAMILY CHARITABLE FOUNDATION

Nonpartisan civic infrastructure

AllCiv·Legis1

Mosakowski Family Charitable Foundation

Private foundation

DBA: % WILLIAM S MOSAKOWSKI

Foundations · SWAMPSCOTT, MA · EIN 20-2052977

In care of William S Mosakowski

Donations are tax-deductible

FY ending 2024-12-31

Revenue

—

Expenses

—

Assets

$109.0M

Liabilities

No revenue/expense data reported.

Campaign Spending

—

Lobbying

—

Grants Given

$2.2M

MOSAKOWSKI FAMILY CHARITABLE FOUNDATION

Your actions

748 Humphrey ST

Swampscott, MA, 01907-282

Public records

Full 990 PDFs going back to 2001, plus parsed financial extracts. The easiest place to read actual filings.

IRS-side authoritative source. Confirms current exempt status and pulls the latest determination letter.

These open in a new tab. AllCiv doesn't host filings directly — these are the authoritative public-record sources.