Private Foundation

Rosenberg Ach Foundation

Rosenberg Ach Foundation is a private foundation categorized as Private Foundation based in San Francisco, CA. Its most recent IRS filing (2024) reports revenue of $595K, expenses of $587K, total assets of $10.5M. Imperigo tracks 165 reported grants from this foundation totaling approximately $3.4M.

EIN: 270965935 San Francisco, CA Latest filing: 2024

Total Revenue$595K

Total Expenses$587K

Total Assets$10.5M

Grants Given165

Grant Total$3.4M

Filing Years2019–2024

Sample Grants Given

The Nature Conservancy

San Francisco, CA · 2024

Environmental

$134,000

UCSF FOUNDATION

SAN FRANCISCO, CA · 2024

HEALTH

$100,000

Trout Unlimited

CHANDLER, AZ · 2024

Environmental

$75,000

CAL TROUT

SAN FRANCISCO, CA · 2024

ENVIRONMENTAL

$50,000

San Francisco Film Society (SFFILM)

San Francisco, CA · 2024

the arts

$30,000

Showing up to 5 of 165 total records — full history available with membership.

Officers & Directors

DIRECTOR;TREASURER Andrew Ach

DIRECTOR;PRESIDENT;SECRETARY Linda Rosenberg Ach

Officer compensation and complete director data available with membership.

Top Grant Purposes

HEALTH

$1,113,200 21 grants

ENVIRONMENTAL

$556,500 8 grants

ENVIRONMENT

$461,000 20 grants

Environmental

$283,100 13 grants

EDUCATION

$271,600 29 grants

Financial Trends

Year	Revenue	Expenses	Assets
2024	$595K	$587K	$10.5M
2023	$3.9M	$593K	$10.5M
2022	$421K	$604K	$7.2M
2020	$353K	$526K	$7.0M
2019	$1.1M	$735K	$7.2M

Between 2019 and 2024, reported annual revenue declined from $1.1M to $595K (-45%), with total assets most recently reported at $10.5M.

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, DC, GA, ID, IL, and 4 other states.

AZCADCGAIDILMDNYORVA

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

See the full picture for Rosenberg Ach Foundation

Complete financials, all 165 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