Jake Koenigsdorf Foundation Incorporated

Open & Accessible

Public CharityEAST ISLIP, New YorkMicroEIN: 464002159

Addiction Recovery ProgramsSober Living HomesMental Health OrganizationsSocial Services

The Jake Koenigsdorf Foundation (Jake K Foundation) is a New York-based 501(c)(3) that provides support, education, sponsorship and recovery resources for people affected by substance use disorder. The site describes programs (e.g., The WhereHouse recovery house), includes contact forms and email ([email protected]), and publishes financial documents including recent Form 990s.

Source: Website · Mar 2026

Captive Funder

This funder appears dedicated to one or very few recurring recipients. Unsolicited applications are unlikely to succeed unless there is an existing direct relationship with the funder.

Source: Zeffy Agent · Mar 2026