Contact Us

Before contacting us, please review our Frequently Asked Questions page.

For current grantees, please refer to our Grantees page.

General Inquiries

If you are a new applicant or have any questions about your eligibility, we encourage you to contact our staff. For the quickest response, it is recommended that you contact staff by email – instead of by phone or mail.

For all other inquiries, please contact (216) 831-4134.

Our mailing address:

Attn: William J. and Dorothy K. O’Neill Foundation
PO Box 44040
Cleveland, OH 44144

Help Us Go Paperless!

We’re trying to be kinder to our environment. Please forward all annual reports, newsletters, and other brochures to us electronically at

Communications & Media Guidelines

To help our grantee partners communicate about their grants, we’ve developed a set of guidelines.

Learn more >