1. Directory
  2. California
  3. San Mateo
  4. The Helen Diller Foundation
EIN 81-3945624

The Helen Diller Foundation

IRS 501(c) type
501(c)(3)
Num. employees
0
City
San Mateo
State
California
Year formed
2017
Most recent tax filings
2023-12-01
NTEE code, primary
T20: Private Foundations
Description
The The Helen Diller Foundation is a private foundation located in San Mateo, CA. Last year, it made five grants. Its trustees are Jaclyn Safier, Kevin Wilkinson, and Phyllis Cook. Grantees include American Society For Technion-Israel Institute Of Technology.
Also known as...
Helen and Sanford Diller Family Foundation
Total revenues
$153,821,274
2023
Total expenses
$11,971,299
2023
Total assets
$244,849,988
2023
Num. employees
0
2023

Grants made by The Helen Diller Foundation

GranteeGrant descriptionAmount
Helen Diller Family FoundationDiller Teen Fellows Program and General Support$5,250,000
Helen Diller Family FoundationDiller Teen Fellows Program and General Support$5,010,000
Congregation Emanu-ElInvesting in the Future Campaign$950,000

Financials for The Helen Diller Foundation

RevenuesFYE 12/2023
Total grants, contributions, etc.$153,821,274
Investment income and dividends$0
Net rental income$0
Net gain from sale of non-inventory assets$0
Gross sales of inventory$0
Miscellaneous revenues$0
Total revenues$153,821,274

Organizations like The Helen Diller Foundation

OrganizationLocationRevenue
Klaff Family FoundationChicago, IL$62,897,228
Sandy Beach FoundationBoston, MA$48,506,014
Barbara Brunckhorst FoundationRichmond, VA$148,040,317
The Griffin-Cole FundNew York, NY$57,707,473
The Blanche and Julian Robertson Family FoundationSalisbury, NC$51,497,851
The Howley Foundation / Nicholas W Howley TteeCleveland, OH$44,894,611
The Kovner FoundationJupiter, FL$43,099,460
Harold Alfond FoundationPortland, ME$110,997,249
Walter Scott Family FoundationOmaha, NE$762,474,726
Goldring Family FoundationMetairie, LA$40,304,263
Data update history
January 20, 2025
Posted financials
Added Form 990PF for fiscal year 2023
December 31, 2023
Posted financials
Added Form 990PF for fiscal year 2022
August 6, 2023
Posted financials
Added Form 990PF for fiscal year 2021
June 14, 2023
Posted financials
Added Form 990PF for fiscal year 2020
May 19, 2023
Used new vendors
Identified 3 new vendors, including , , and
Nonprofit Types
Grantmaking organizationsPrivate foundationsFamily foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsPartially liquidatedState / local levelTax deductible donationsNo full-time employees
General information
Address
1 N B St 4000
San Mateo, CA 94401
Metro area
San Francisco-Oakland-Berkeley, CA
County
San Mateo County, CA
Phone
(650) 931-3400
IRS details
EIN
81-3945624
Fiscal year end
December
Taxreturn type
Form 990-PF
Year formed
2017
Eligible to receive tax-deductible contributions (Pub 78)
Yes
Categorization
NTEE code, primary
T20: Private Foundations
NAICS code, primary
813211: Grantmaking Foundations
Parent/child status
Independent
California AB-488 details
AB 488 status
May Operate or Solicit for Charitable Purposes
Charity Registration status
Current
FTB status revoked
Not revoked
AG Registration Number
CT0252395
FTB Entity ID
3941688
AB 488 data last updated ("as-of") date
2025-08-06
Free account sign-up

Want updates when The Helen Diller Foundation has new information, or want to find more organizations like The Helen Diller Foundation?

Create free Cause IQ account
Cause IQ is a website that helps companies grow, maintain, and serve their nonprofit clients, and helps nonprofits find additional foundation funding. Our data and tools help professionals prospect for nonprofits, research opportunities, benchmark their clients, and enrich existing information.
Nonprofits
Product
Customers
About

© 2026 Nonprofit Metrics LLC
Terms of Service and Privacy Policy