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Book An Event

Osteria Posto is currently planning safe and elegant private events! 

Corporate Events, Conferences, Board Dinners & Meetings, Rehearsal Dinners, Intimate Wedding Ceremonies + Receptions, Bridal Showers, Baby Showers, Graduation Celebrations

Our event coordinators are ready to plan your next event! Following strict Covid-19 health and safety standards we are able to host 25 guests in our private dining rooms and 50 guests on our outdoor covered veranda. Treat your guests to Joe Cassinelli's modern take on Italian classics, signature seasonal cocktails, world renowned wines and professional service. 

We are here to create an event that is not only safe for you and your guests - but also elegant, sophisticated & of course, fun! Allow our exceptional events team will manage all the details so you don’t have to!

Osteria Posto is conveniently located across from The Westin Hotel on Route 95 in Waltham, Massachusetts with close proximity to Boston, Metro West + the North Shore. We offer ample complimentary covered parking. 

For inquiries or more information please contact our Director of Private Events + Sales, Bridget Tivnan at 781.622.1400 or email at

Click below to virtually tour our numerous private dining rooms.
Including our covered Veranda! 

Virtual Tour
  • a room filled with furniture and vase on a table

    North Room

  • a dining room table in front of a window

    South Room

  • a long table in a restaurant


  • a dining room table

    Full Buyout