Muellner Event Venue

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Raw space venue

The venue will provide just the space. You’ll bring in your own caterer and vendors.

Full wedding (ceremony and reception) pricing

Starting at $1,200

Guest capacity

Up to 450 seated guests

About this venue

Built in 1941 in the heart of the Tosa Village, the Muellner Building brings a perfect blend of history and modern touches. The Muellner Building offers a perfect balance of flexibility and convenience, with modern industrial spaces that serve as a canvas for your unique vision. What We Offer: -Four distinct event spaces accommodating 40-450 guests -Event manager on-site to support your event -Full-service bar packages with custom menus and flexible pricing -Tables and chairs for up to 160 guests, set to your layout -Preferred partnerships for catering, music, floral, and more -Public parking lot with 500 parking spots Let us help you create a memorable event in one of Wauwatosa’s most unique and beautiful spaces.

Seated guest capacity

30-450

Venue type

Ballrooms, Banquet Halls
Parks, Gardens

Venue setting

Indoor

7300 Chestnut St, Wauwatosa, WI 53213

Our event spaces

Tosa Room

Premiere event hall

The Tosa Room is a modern industrial showpiece, offering a versatile canvas that can be transformed to fit any vision. With its spacious layout and flexible configuration options, it’s ideal for weddings, anniversary parties, birthday celebrations, conferences, trade shows, and more. Whether you’re planning a grand celebration or a professional gathering, this space adapts beautifully to create a truly one-of-a-kind experience.

Guest capacity

Up to 450 Seated

Up to 450 Standing

Ideal for

Wedding ceremony, Wedding reception, Rehearsal dinner, Cocktail hour, After party

Room cost

$3,500 - $6,000

Riverview Room

Party hall with stage and bar

Surrounded by rich, restored wood and featuring a built‑in stage, the Riverview Room exudes warmth and character. A convenient wet bar built from reclaimed wood from the surrounding park makes it perfect for receptions, performances, and social gatherings where atmosphere and hospitality go hand in hand.

Guest capacity

Up to 120 Seated

Up to 120 Standing

Ideal for

Wedding ceremony, Wedding reception, Rehearsal dinner, Wedding shower, Cocktail hour, Engagement party, After party

Room cost

$1,200 - $3,500

Firefly Room

Gathering space with kitchenette

Perfect for mid‑sized events, the Firefly Room combines comfort and functionality with a full kitchen and televisions for entertainment or presentations. It’s an excellent choice for showers, team gatherings, and casual celebrations where convenience and flexibility matter most.

Guest capacity

Up to 64 Seated

Up to 64 Standing

Ideal for

Rehearsal dinner, Wedding shower, Welcome party, Farewell brunch, Cocktail hour, Engagement party, After party, Elopement

Room cost

$500 - $800

Garden Room

Intimate party room

The Garden Room is an intimate, light‑filled space nestled just inside the building’s expansive garden. With cozy seating and a television for presentations or media, it’s ideal for small meetings, private dinners, or relaxed social get‑togethers surrounded by natural beauty.

Guest capacity

Up to 40 Seated

Up to 40 Standing

Ideal for

Wedding shower, Couples luncheon, Elopement

Room cost

$500 - $800