Private foundation · EIN 36-3635349 · Paradise Vly, Arizona

Ronald & Maxine Linde Foundation

Should you approach them?

Don't send a cold proposal. The foundation reports that it only gives to preselected organizations; an introduction through a current grantee or board member is the realistic route.

From the 2024 Form 990-PF: 5 grants paid, $1.6M total, median $20K.

Accepts applications
No
per 990-PF Part XV
Grants paid, 2024
5
$1.6M
Median grant
$20K
Stays in AZ
—
of grants
Deadline
—
Assets
$37M

Grants paid in 2024

5 grants, all shown · from Form 990-PF Part XV

RecipientPurposeAmount
California Institute of Technology (tax Id # 95-1643307)Pasadena, CACenter for science,society, and policy (lcssp) endowment$1.5M
California Institute of Technology (tax Id # 95-1643307)Pasadena, CAScholarship endowment (lse) fund$25K
California Institute of Technology (tax Id # 95-1643307)Pasadena, CAUnrestricted$20K
American Academy of Arts & Sciences (tax Id# 04-2103651)Cambridge, MAUnrestricted$10K
California Institute of Technology (tax Id # 95-1643307)Pasadena, CADisaster relief fund$5,000

By state: California 4 · Massachusetts 1

About this foundation

Ronald & Maxine Linde Foundation is a private grantmaking foundation in Paradise Vly, Arizona, tax-exempt since 1990. Private foundations must pay out roughly 5% of their assets each year, mostly as grants to 501(c)(3) public charities.

All filings on ProPublica

Does Ronald & Maxine Linde Foundation accept grant applications?

No. On its 2024 Form 990-PF the foundation checked that it only makes contributions to preselected organizations. Look for an introduction through a current grantee.

How much does Ronald & Maxine Linde Foundation give each year?

In tax year 2024 it paid $1.6M across 5 grants, a median of $20K.

Where does Ronald & Maxine Linde Foundation give?

California (4 grants), Massachusetts (1 grants), per its latest filing.

More foundations near Paradise Vly that accept applications

All in Arizona
FoundationBased inGrants paidMedian grantAccepts applicationsAssets
Foundation for Educational Research and Developmentsince 1998 Paradise Vly, AZ $2.2M7 grants · 2024 $125KPreselected only $36M
Kraft Foundationsince 1993 Paradise Vly, AZ $1.1M18 grants · 2025 $20KYes $26M
Rogers Family Foundationsince 2015 Paradise Vly, AZ $1.4M56 grants · 2025 $10KPreselected only $26M
McCallister Family Foundationsince 2018 Paradise Vly, AZ — —Not stated $8.0M
Victoria Lund Foundationsince 2003 Paradise Vly, AZ $307K7 grants · 2024 $5,000Preselected only $7.0M
R L Roz Johnson Family Foundation of Arizonasince 2002 Paradise Vly, AZ $683K12 grants · 2025 $60KPreselected only $5.6M
Bdl Foundationsince 2006 Paradise Vly, AZ $235K9 grants · 2024 $10KPreselected only $5.1M
Bainbridge Foundationsince 2019 Paradise Vly, AZ $160K12 grants · 2024 $15KYes $4.8M
Email me matching grants