Private Foundation

KONZEN FAMILY FOUNDATION

KONZEN FAMILY FOUNDATION is a private foundation categorized as Private Foundation based in ISSAQUAH, WA. Its most recent IRS filing (2025) reports revenue of $157.9M, expenses of $12.3M, total assets of $242.7M. Imperigo tracks 201 reported grants from this foundation totaling approximately $15.5M.

EIN: 853910161 ISSAQUAH, WA Philanthropy, Voluntarism & Grantmaking Foundations N.E.C. NTEE: T99 Latest filing: 2025
Total Revenue$157.9M
Total Expenses$12.3M
Total Assets$242.7M
Grants Given201
Grant Total$15.5M
Filing Years2021–2025

Sample Grants Given

MOUNTAIN TO SOUND GREENWAY
SEATTLE, WA · 2025
OPERATING
$650,000
SEATTLE UNION GOSPEL MISSION
SEATTLE, WA · 2025
OPERATING
$507,500
TRUST FOR PUBLIC LAND
LOS ANGELES, CA · 2025
OPERATING
$500,000
SEATTLE CHILDRENS' HOSPITAL GUILD
SEATTLE, WA · 2025
OPERATING
$395,000
PLANT WITH PURPOSE
SAN DIEGO, CA · 2025
OPERATING
$393,460

Showing up to 5 of 201 total records — full history available with membership.

Officers & Directors

SECRETARY, EXECUTIVE DIRECTOR Heather Tuininga
DIRECTOR Neil Konzen
DIRECTOR Samuele Konzen
TREASURER The Tschetter Group
DIRECTOR Tommaso Konzen

Officer compensation and complete director data available with membership.

Top Grant Purposes

OPERATING
$15,468,682 201 grants

Financial Trends

Year Revenue Expenses Assets
2025 $157.9M $12.3M $242.7M
2024 $84.4M $5.0M $97.1M
2023 $858K $1.1M $17.7M
2022 $-746K $1.3M $17.9M
2021 $10.7M $718K $20.0M

Between 2021 and 2025, reported annual revenue grew from $10.7M to $157.9M (+1380%), with total assets most recently reported at $242.7M.

Interactive year-over-year charts and full filing details available with membership.

Grant Geography

Grants from this foundation were reported to recipients in AL, CA, CO, DC, DE, GA, and 4 other states.

ALCACODCDEGAHIMAMIMN

Full geographic grant map with state-by-state breakdown available with membership.

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