Before you apply to Ernest and Joan Trefz Foundation
Who to contact, what to include, deadlines, typical grant size and geographic focus are available with membership.
Private Foundation
Ernest and Joan Trefz Foundation
Ernest and Joan Trefz Foundation, of Bridgeport, CT, is a Private Foundation tracked in Imperigo's IRS 990 database. The 2026 filing shows $2.1M in revenue, $2.6M in expenses, $9.2M in total assets. IRS filings disclose 855 grants awarded by this foundation, totaling roughly $18.8M.
EIN: 061485833
Bridgeport, CT
Private Grantmaking Foundations
NTEE: T20
Latest filing: 2026
Total Revenue$2.1M
Total Expenses$2.6M
Total Assets$9.2M
Grants Given855
Grant Total$18.8M
Filing Years2022–2026
Sample Grants Given
University of Bridgeport
In Furtherance of Stated Objectives of the Foundation
$377,337
Norwalk Hospital Foundation
In Furtherance of Stated Objectives of the Foundation
$250,000
St Vincent's Medical Center Foundation
In Furtherance of Stated Objectives of the Foundation
$190,727
Ronald McDonald House Greater Hudson Valley
In Furtherance of Stated Objectives of the Foundation
$150,000
Ronald McDonald House Charities of CT & Western MA
In Furtherance of Stated Objectives of the Foundation
$150,000
Showing up to 5 of 855 total records — full history available with membership.
Officers & Directors
Trustee
Christian C Trefz
Trustee
Linda M Trefz
Trustee
Paul D Trefz
Officer compensation and complete director data available with membership.
Top Grant Purposes
Financial Trends
| Year | Revenue | Expenses | Assets |
|---|---|---|---|
| 2026 | $2.1M | $2.6M | $9.2M |
| 2025 | $3.4M | $2.6M | $8.7M |
| 2024 | $1.9M | $2.5M | $7.7M |
| 2023 | $1.2M | $2.4M | $8.2M |
| 2022 | $1.4M | $2.1M | $15.1M |
Between 2022 and 2026, reported annual revenue grew from $1.4M to $2.1M (+50%), with total assets most recently reported at $9.2M.
Interactive year-over-year charts and full filing details available with membership.
Grant Geography
Grants from this foundation were reported to recipients in CA, CO, CT, IN, MA, NY.
CACOCTINMANY
Full geographic grant map with state-by-state breakdown available with membership.