Before you apply to Rosenberg Ach Foundation
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
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 (2025) reports revenue of $790K, expenses of $593K, total assets of $10.7M. Imperigo tracks 190 reported grants from this foundation totaling approximately $4.0M.
EIN: 270965935
San Francisco, CA
Corporate Foundations
NTEE: T21
Latest filing: 2025
Total Revenue$790K
Total Expenses$593K
Total Assets$10.7M
Grants Given190
Grant Total$4.0M
Filing Years2020–2025
Sample Grants Given
UCSF FOUNDATION
HEALTH
$230,000
The Nature Conservancy
Environmental
$86,000
CAL TROUT
ENVIRONMENTAL
$54,730
Trout Unlimited
Environmental
$40,000
San Francisco Friends School
The Arts
$30,000
Showing up to 5 of 190 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
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2025 | $790K | $593K | $10.7M |
| 2024 | $595K | $587K | $10.5M |
| 2023 | $3.9M | $593K | $10.5M |
| 2022 | $421K | $604K | $7.2M |
| 2020 | $353K | $526K | $7.0M |
Between 2020 and 2025, reported annual revenue grew from $353K to $790K (+124%), with total assets most recently reported at $10.7M.
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, DC, GA, ID, IL, and 4 other states.
AZCADCGAIDILMDNYORVA
Full geographic grant map with state-by-state breakdown available with membership.