Private Foundation

William R Grigsby Foundation CO Zakowski & Kannoth CPAs LLP

William R Grigsby Foundation CO Zakowski & Kannoth CPAs LLP is a Private Foundation headquartered in Tustin, CA. Financial data from the 2025 filing: $6K revenue, $51K expenses, $147K total assets. IRS filings disclose 7 grants awarded by this foundation, totaling roughly $134K.

EIN: 330858438 Tustin, CA Latest filing: 2025

Total Revenue$6K

Total Expenses$51K

Total Assets$147K

Grants Given7

Grant Total$134K

Filing Years2021–2025

Sample Grants Given

Swim with Mike Foundation

Pasadena, CA · 2025

Athletic Program

$50,000

Chaffey Community College

Rancho Cucamonga, CA · 2023

Athletic Program

$4,000

Swim with Mike Foundation

Pasadena, CA · 2023

Athletic Program

$1,000

University of Southern California

Los Angeles, CA · 2022

USC Keck Medicine Cancer Research

$50,000

Chaffey Community College

Rancho Cucamonga, CA · 2022

Athletic Program

$15,000

Showing up to 5 of 7 total records — full history available with membership.

Officers & Directors

Director Devin E Grigsby

Vice President Geoffrey J Grigsby

Director Janet Parks

Pres./Sec Paula M Grigsby

Officer compensation and complete director data available with membership.

Top Grant Purposes

Athletic Program

$73,700 5 grants

USC Keck Medicine Cancer Research

$50,000 1 grant

USC Endowed Lectureship Fund

$10,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$6K	$51K	$147K
2024	$9K	$880	$192K
2023	$330	$6K	$184K
2022	$255	$66K	$190K
2021	$260K	$11K	$255K

Between 2021 and 2025, reported annual revenue declined from $260K to $6K (-98%), with total assets most recently reported at $147K.

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

Grant Geography

Grants from this foundation were reported to recipients in CA.

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

See the full picture for William R Grigsby Foundation CO Zakowski & Kannoth CPAs LLP

Complete financials, all 7 grant records, officer compensation, year-over-year trend charts, a geographic grant map, and data exports — across 498,000+ organizations.

Full Financial History Complete Grant Activity Officer Compensation Year-over-Year Charts Geographic Grant Map Data Exports