Private Foundation

THE ROBERT AND DIANE WEISSMAN FOUNDATION

THE ROBERT AND DIANE WEISSMAN FOUNDATION is a Private Foundation headquartered in LOS ALTOS, CA. Financial data from the 2025 filing: $466K revenue, $113K expenses, $1.7M total assets. IRS filings disclose 9 grants awarded by this foundation, totaling roughly $12K.

EIN: 770560173 LOS ALTOS, CA Latest filing: 2025

Total Revenue$466K

Total Expenses$113K

Total Assets$1.7M

Grants Given9

Grant Total$12K

Filing Years2020–2025

Sample Grants Given

tiger Mountain Foundation

Phoenix, AZ · 2024

Support of Community Garden

$1,000

Daughters of Cambodia

2024

Program support

$1,000

Golden Eagle Foundation

Fountain Hills, AZ · 2024

Support of programs to support classroom teachers

$750

Courtneys Place

Scottsdale, AZ · 2024

Support of programs

$50

Foster your Future

Phoenix, AZ · 2023

Support for activities

$5,000

Showing up to 5 of 9 total records — full history available with membership.

Officers & Directors

Director / Treasurer Secretary Diane Weissman

Director / President Robert Weissman

Officer compensation and complete director data available with membership.

Top Grant Purposes

Support for activities

$5,000 1 grant

Support for home building project

$1,500 1 grant

Support of Community Garden

$1,000 1 grant

Program support

$1,000 1 grant

Support for trailblazers

$1,000 1 grant

Financial Trends

Year	Revenue	Expenses	Assets
2025	$466K	$113K	$1.7M
2024	$64K	$93K	$1.4M
2023	$26K	$75K	$1.4M
2021	$149K	$69K	$1.5M
2020	$207K	$66K	$1.4M

Between 2020 and 2025, reported annual revenue grew from $207K to $466K (+125%), with total assets most recently reported at $1.7M.

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

Grant Geography

Grants from this foundation were reported to recipients in AZ, CA.

AZCA

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

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