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Ozaukee Nonprofit Center (ON Center)

Wedding venue in Grafton, Wisconsin

About Ozaukee Nonprofit Center (ON Center)

The ON Center is a 3,650-square-foot event hall in Grafton, with an open layout, natural light, high ceilings, chandeliers, modern finishes, and an attached Eco-Wellness Space. It rents the hall for weddings, receptions, celebrations, and other gatherings, with capacity for up to 175 seated or 250 standing. The venue also offers meeting rooms, ample parking, accessible facilities, and support from the ONC team.

The facts

Guests
Up to 250 guests
Price
$275–$1,000
Pricing note
The rental folder lists $1,000 for a Friday–Monday full-weekend rental, $500 for a single Friday–Sunday day rental, and $275 for a Monday–Thursday day rental. Single-day rentals include 10 hours of venue access. Additional fees may apply for services and add-ons; verify current rates with the venue.
Setting
Indoor
Last updated
November 2026

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