Overview
The Maritz Family Foundation, based in Bellevue, Washington, is a philanthropic organization with assets totaling approximately $7.9 million. In the most recent fiscal period, the foundation reported expenses of about $2.36 million and revenue of $354,288. The foundation does not specify particular subject areas of focus but has funded projects in various cities across the United States, including major urban centers like New York, San Francisco, and Chicago, as well as smaller communities such as Bainbridge Island and Montezuma. The foundation's funded states include Arizona, California, District of Columbia, Illinois, Massachusetts, New Jersey, New Mexico, New York, Pennsylvania, and Washington. The leadership team consists of Yaffa Maritz as President, Paul Maritz as Vice President, and Jeffrey A. Williamson as Secretary and Treasurer, all of whom serve without compensation.
Focus Areas
Geographic Focus
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Financials
in 2024, compared to $8,685,232 in 2023
23 grants awarded in 2024
Of total expenses go to programs
Grants
| Purpose | Location | |||
|---|---|---|---|---|
| $1,437,500 | UNIVERSITY OF WASHINGTON FOUNDATION | TO HELP FUND GENERAL OPERATIONS | BOX 359505 SEATTLE, WA US | 2022 |
| $1,172,500 | UNIVERSITY OF WASHINGTON FOUNDATION | TO HELP FUND GENERAL OPERATIONS | BOX 359505 SEATTLE, WA US | 2023 |
| $1,000,000 | UNIVERSITY OF WASHINGTON FOUNDATION | TO HELP FUND GENERAL OPERATIONS | BOX 359505 SEATTLE, WA US | 2024 |
| $225,000 | SEATTLE CHILDREN'S HOSPITAL FOUNDATION | TO HELP FUND GENERAL OPERATIONS | M/S 818-F PO BOX 5371 SEATTLE, WA US | 2022 |
| $218,200 | AFRICAN PARKS FOUNDATION OF AMERICA | TO HELP FUND GENERAL OPERATIONS | 21 WEST 46TH STREET NEW YORK, NY US | 2024 |
| $152,500 | UNIVERSITY OF WASHINGTON | TO HELP FUND GENERAL OPERATIONS | BOX 352800 SEATTLE, WA US | 2024 |
| $150,000 | OPEN ARMS PERINATAL SERVICES | TO HELP FUND GENERAL OPERATIONS | 2524 16TH AVENUE S 207A SEATTLE, WA US | 2024 |
| $135,000 | ZERO TO THREE | TO HELP FUND GENERAL OPERATIONS | 1255 23RD STREET NW SUITE 350 WASHINGTON, DC US | 2022 |
| $135,000 | ZERO TO THREE | TO HELP FUND GENERAL OPERATIONS | 2445 M STREET NW SUITE 600 WASHINGTON, DC US | 2024 |
| $90,100 | HUMMINGBIRD INDIGENOUS FAMILY SERVICES | TO HELP FUND GENERAL OPERATIONS | 3703 S EDMUNDS ST 105 SEATTLE, WA US | 2024 |
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People
Compensation data from most recent available 990 forms
| Title | |||
|---|---|---|---|
JAW
JEFFREY A WILLIAMSON
| SECRETARY, TREASURER | $18000 | 2022 |
YM
YAFFA MARITZ
| PRESIDENT | $0 | 2022 |
PM
PAUL MARITZ
| VICE PRESIDENT | $0 | 2022 |
YM
YAFFA MARITZ
| PRESIDENT | $0 | 2023 |
PM
PAUL MARITZ
| VICE PRESIDENT | $0 | 2023 |
JAW
JEFFREY A WILLIAMSON
| SECRETARY, TREASURER | $0 | 2023 |
YM
YAFFA MARITZ
| PRESIDENT | $0 | 2024 |
PM
PAUL MARITZ
| VICE PRESIDENT | $0 | 2024 |
JAW
JEFFREY A WILLIAMSON
| SECRETARY, TREASURER | $0 | 2024 |
Rows per page
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Financial data sourced from IRS 990 forms via ProPublica Nonprofit Explorer
View on ProPublica Nonprofit ExplorerLast updated on August 25, 2025