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Sustainable Meetings 

Whether you’re looking for inspiration, motivation or a place to brainstorm your next power play, our meeting rooms serve as the ideal venue for a whole variety of events. From intimate team workshops to gatherings of more than 100 guests in our approachable and warm private spaces, Dossier’s Portland event and meeting spaces for rent feature original artwork, custom chandeliers and arched floor-to-ceiling windows that allow natural light to flood into the rooms with views from our downtown Portland location.

Our staff can customize each event to suit your unique needs in our state-of-the-art rooms. We’re happy to provide a full complement of audio-visual capabilities, as well as both wired and wireless Internet. We pride ourselves on taking care of all the small details that make an event matter.

Alder Ballroom

A versatile event space in the heart of downtown Portland.

As our largest meeting space, the Alder Room can accommodate up to 60 guests for banquets or events. With arched floor-to-ceiling windows, custom chandeliers and views of the city, this beautiful venue can also be divided into two separate rooms – Alder East and Alder West – adding to its versatility.

Alder Ballroom Inquire now
Meeting room Dimensions Area (SQ FT) Banquet Reception Classroom Theater U-Shape
Alder Ballroom 24' X 53' 1,252 100 120 80 120 48
Alder East 24' X 27' 650 50 60 40 60 24
Alder West 24' X 26' 624 40 60 36 60 24
A Vase Of Flowers On A Table

Park Room

A lovely event space for banquets and large gatherings.

This grand space is bordered by two arched, floor-to-ceiling windows that set off the elegance of this venue. With custom chandeliers and original artwork, the Park Room is a lovely, classic space for events in a variety of configurations, from banquets to year-end gatherings.

Park Room Inquire now
Meeting room Dimensions Area (SQ FT) Banquet Reception Classroom Theater U-Shape
Park Room 21' X 27' 550 40 50 30 50 20
A Living Room With A Leather Chair


An elegant venue that’s just right for small gatherings.

A floor-to-ceiling window brings light into this cozy, elegant Portland venue. With a full boardroom table and comfortable leather chairs, it’s ideal for board meetings or small brainstorming sessions.

Boardroom Inquire now
Meeting room Dimensions Area (SQ FT) Banquet Reception Classroom Theater U-Shape
Boardroom 19' X 12' 228 - 20 - - -

The Rose

An intimate space for a special dinner.
The Rose Inquire now
Meeting room Area (SQ FT) Reception
Private Dining Room 255 10

The Broadway

Beautiful private dining space perfect for up to 35 people.
Meeting room Area (SQ FT) Banquet
The Broadway 753 34