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William R Grigsby Foundation

Tustin, CAEIN: 33-0858438

Data sourced from IRS 990-PF public filings

Supports higher education and community college programs in California, with a focus on cancer research at the University of Southern California and athletic programs at Chaffey Community College.

Private_foundation Foundation

William R Grigsby Foundation has 6 grants on file funding 3 organizations. Giving increased from $5,000 in 2023 to $50,000 in 2025. Reported assets: $147,497.

Total Assets

$147,497

Grants (Last Year)

$50,000

Total Grants on File

6

Recipients Funded

3

Giving History

YearTotal GrantedGrants MadeAvg Grant
2025$50,0001$50,000
2023$5,0002$2,500
2022$65,0002$32,500
2021$10,0001$10,000

Top Grant Recipients

$50,000 (2022)
$50,000 (2025)
HELP COMMUNITY OUTREACH

RANCHO CUCAMONGA, CA

$15,000 (2022)
$10,000 (2021)
HELP COMMUNITY OUTREACH

RANCHO CUCAMONGA, CA

$4,000 (2023)
$1,000 (2023)

Officers & Trustees

From 2025 IRS 990-PF filing (data available for 15 filing years)

J

Janet Parks

Director

D

Devin E Grigsby

Director

G

Geoffrey J Grigsby

Vice President

P

Paula M Grigsby

Pres./Sec

IRS Filing History

William R Grigsby Foundation has IRS 990-PF filings on record for 15 years, spanning 2011 to 2025.

202520242023202220212020201920182017201620152014201320122011

Frequently Asked Questions

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    William R Grigsby Foundation (EIN: 33-0858438) - Grants & 990 Data | Signal990