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Data / Nonprofits / Washington / Mercer Island / Philanthropy, voluntarism and grantmaking foundations

Philanthropy, voluntarism and grantmaking foundations nonprofits in Mercer Island, WA: 33 registered with the IRS

33 philanthropy, voluntarism and grantmaking foundations nonprofits are registered with the IRS in Mercer Island, WA, 33 of them 501(c)(3) charities; the 3 that report revenue took in $541,363. The largest by revenue: Celebrity Waiters Luncheon ($444,385), Spring Family Trail Fund ($81,978), Samir and Sonal Pareek Family Foundation ($15,000).

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Every organization, largest by revenue first

OrganizationTypeSinceRevenueAssetsFiling
Celebrity Waiters Luncheon501(c)(3)2012$444,385$142,4372025-08
Spring Family Trail Fund501(c)(3)2000$81,978$464,6092025-11
Samir and Sonal Pareek Family Foundation501(c)(3)2025$15,000$35,8192025-12
East Seattle Foundation501(c)(3)2003$7 million2025-12
Excel at Sports Foundation501(c)(3)2011$1.2 million2025-12
Galiotto Family Foundation501(c)(3)2002$225,5852025-12
Harkovy-Mack Family Foundation501(c)(3)2001$290,5852025-12
Hazel Fund501(c)(3)2015$332,7722024-12
Hes Family Foundation501(c)(3)2025$2,8492025-12
Higgins Family Foundation501(c)(3)2002$2 million2025-12
His Foundation501(c)(3)2002$4.2 million2025-09
Hope Forever501(c)(3)2026
Isola Charities501(c)(3)2022$1,6012024-12
Laura Ellen & Robert Muglia Family Foundation 340-74C18501(c)(3)2001$92.9 million2026-01
Lee Family Foundation501(c)(3)2007$452,2262025-12
Light and Shine Foundation501(c)(3)2020$414,6762025-09
Lovsted Family Charitable Foundation501(c)(3)1994$5.5 million2025-12
Macrae Foundation501(c)(3)2000$2 million2025-12
Meilan Foundation501(c)(3)2020$1.5 million2025-12
Newman Family Foundation501(c)(3)2000$11.1 million2024-12
Paul Bao-Ho & Mei-Yea Liao Charitable Foundation501(c)(3)2012$1.3 million2025-11
Peggy and Brian Sassi Charitable Foundation Inc501(c)(3)2013$1.2 million2025-12
Pipe Organ Foundation501(c)(3)2002$0$02024-12
Raman Family Foundation501(c)(3)2003$2 million2024-12
Schroeder Foundation501(c)(3)2015$892,2682025-12
Schulze Family Foundation501(c)(3)1999$1.3 million2025-04
Shirley & David Allen Foundation501(c)(3)2002$1.1 million2025-12
Sogge Family Foundation501(c)(3)2014$24,7202024-12
The Larry & Sherry Benaroya Family Foundation501(c)(3)2025$31,0452024-12
Vishal Himalaya Foundation501(c)(3)2001$0$02025-12
Wallace - Elizabeth and Isabella Wong Family Foundation501(c)(3)2016$432,1452024-12
Wen Lacross Family Foundation501(c)(3)2022$831,8992024-12
Wenaweser Foundation501(c)(3)2007$398,9312026-04

Other causes in Mercer Island, WA

Every nonprofit in Mercer Island, WA · Philanthropy, voluntarism and grantmaking foundations nonprofits across the state · Nonprofits in every city of the state

Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.