1. Directory
  2. New Jersey
  3. Princeton
  4. The Kingsberg Foundation
EIN 13-6151289

The Kingsberg Foundation

IRS 501(c) type
501(c)(3)
Num. employees
0
City
Princeton
State
New Jersey
Year formed
1955
Most recent tax filings
2025-12-01
NTEE code, primary
T20: Private Foundations
Description
The Kingsberg Foundation is a private foundation located in Princeton, NJ. The Foundation made 41 grants last year. Notable grantees include WNET Public TV. The trustees are Harold J Kingsberg (deceased), Ruth J Kingsberg, and Alan D Kingsberg.
Total revenues
$3,923,012
2025
Total expenses
$1,754,457
2025
Total assets
$30,489,228
2025
Num. employees
0
2025

Grants made by The Kingsberg Foundation

GranteeGrant descriptionAmount
Adelphi University (AU)To Support Charitable Purpose$55,000
Kenya Drylands Education Fund KdefTo Support Charitable Purpose$54,000
Neighbors Link CorporationTo Support Charitable Purpose$50,000
...and 18 more grants made totalling $380,700

Financials for The Kingsberg Foundation

RevenuesFYE 12/2025
Total grants, contributions, etc.$0
Investment income and dividends$647,872
Net rental income$0
Net gain from sale of non-inventory assets$3,275,140
Gross sales of inventory$0
Miscellaneous revenues$0
Total revenues$3,923,012

Organizations like The Kingsberg Foundation

OrganizationLocationRevenue
Moller Family FoundationChicago, IL$1,482,479
Laura Moore Cunningham FoundationMccall, ID$10,813,045
The Ware FoundationAmarillo, TX$10,969,076
Lea County Charitable FoundationHobbs, NM$1,066,488
Lintilhac FoundationShelburne, VT$2,327,696
Red Butterfly FoundationNew York, NY$2,108,557
The PBG FoundationBrooklyn, NY$1,148,387
Longhill Charitable FoundationNew York, NY$1,684,905
The Frank and Elizabeth Keohane FoundationBoston, MA$1,010,827
James I Perkins Family FoundationTyler, TX$2,234,637
Data update history
September 1, 2026
Posted financials
Added Form 990PF for fiscal year 2025
August 25, 2026
Updated personnel
Identified 1 new personnel
October 10, 2025
Posted financials
Added Form 990PF for fiscal year 2024
August 14, 2024
Posted financials
Added Form 990PF for fiscal year 2023
December 31, 2023
Posted financials
Added Form 990PF for fiscal year 2022
Nonprofit Types
Grantmaking organizationsPrivate foundationsFamily foundationsPrivate non-operating foundationsCharities
Issues
No issues found
Characteristics
Provides grantsState / local levelTax deductible donationsNo full-time employees
General information
Address
C/O WSB 506 Carnegie Ctr Ste 400
Princeton, NJ 08540
Metro area
Trenton-Princeton, NJ
County
Mercer County, NJ
Phone
(609) 520-1188
IRS details
EIN
13-6151289
Fiscal year end
December
Taxreturn type
Form 990-PF
Year formed
1955
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
Free account sign-up

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