Private Event Coffee Catering in Boston
Solarium Coffee brings a full espresso bar to your home, venue, or event space. Ben and Halle are personally involved in every event, setting up a self-contained coffee cart with a high-end espresso machine and single estate coffee locally roasted in Acton, MA by George Howell Coffee Company. Your guests get made-to-order lattes, cappuccinos, matches, seasonal drinks, and house-made syrups. You get a vendor who handles everything from setup to cleanup.
5.0 stars on Google · Transparent pricing · Quoted within minutes
How the Coffee Cart Works at a Private Event
The cart rolls into your space (living room, backyard, event venue, club house) and becomes the center of the gathering. Guests order whatever they want from the full menu. Every drink is made fresh to order. There is no limit on drinks per person.
The setup is self-contained. We bring the machine, the grinder, all cups and lids, coffee, matcha, milk (whole and oat), water, and our house-made syrups. We need one 15-amp outlet and about 6x6 ft of floor space. We arrive early to set up, we clean up completely when we're done, and we haul everything out. Nothing for you to coordinate on event day.
For outdoor events without power access, we can bring a generator. For rain or sun coverage, we offer a 12x12 ft tent as an add-on.
Events Where the Espresso Bar Shines
Birthday parties. A milestone birthday with great coffee instead of another caterer's boxed setup. Guests remember the latte with heart-shaped latte art more than the cupcakes.
Baby showers and bridal showers. The cart adds a polished, personal touch. Custom cups with the guest of honor's name or initials make it feel intentional.
Graduation parties. Celebrate with a menu that keeps the energy up for a full afternoon.
Holiday gatherings and open houses. Thanksgiving, Christmas, New Year's. Our seasonal menu (think Clovara in fall, Winterbloom in December) is built for these occasions.
Anniversary parties and milestone celebrations. A 50th birthday, a retirement party, a vow renewal. The espresso bar gives guests something to gather around.
Capacity and packages
We Scale to Your Guest Count
Every package is 2 hours of service with setup, breakdown, and supplies included. Full pricing is published on our pricing page, with no quote form in front of it.
Up to 100
guests
1 barista, 1 cartAbout 50 drinks per hour. One service point, right for smaller events.
100 to 150
guests
2 baristas, 1 cartAbout 100 drinks per hour. Best when guests arrive all at once.
150 to 200
guests
2 baristas, 2 cartsAbout 100 drinks per hour. Two service points, so two shorter lines.
Over 200 guests or a longer event? We will build the setup around it.
Included in every package
One package price covers all of it. Nothing is added at checkout.
- Espresso, americano, latte, cappuccino, and matcha
- Rotating seasonal menu favorites
- Whole and oat milk
- Four house-made syrups, plus cups and lids
- Decaf single origin espresso, the same quality as our main espresso, on its own dedicated grinder
- Tea selection: earl grey, masala chai, jasmine pearls, and mediterranean mint
- Full setup and breakdown
- Credit card fees built into the price
Make it yours, at no cost
Included with every booking.
- Custom signature drinkCreated for your event and named however you like.
- Custom branded menuYour logo, colors, or names, designed to match your event.
Immersive customizations
Optional upgrades, each priced on our pricing page.
- Additional service timeExtend service past the included 2 hours.
- Custom branded cartYour logo or event design on the cart itself.
- On-drink logo printerYour logo printed right on the foam.
- Custom branded cupsYour logo on every cup.
TESTIMONIALSWhat our clients say
5.0 ★★★★★ 90+ Google Reviews
❞
I could not have asked for more professional, kind, thorough and attentive interactions with Solarium. They will not disappoint!
Karen
Private Event Host
❞
The extraordinary, flavorful aroma and tasting of coffees at our large family gathering was provided by Solarium Coffee. A wide variety was offered, efficiently prepared and finished off with unique toppings, all done in a pleasant, professional manner.
James
Private Event Host
❞
the staff was extremely kind and efficient, helping to make our event run smoothly
Allison
Event Host
❞
We had a wonderful experience with Solarium from start to finish. Ben was extremely responsive, pleasant to work with, and the coffee was fantastic. We would definitely use again. Thanks for making the party special!
Jennifer
Graduation Party Host
❞
Solarium was extremely friendly and professional and provided the most unique specialty coffee that we’ve ever had at one of our events. Can’t wait to work with them again.
Dom
Event Planner
❞
What a treat to work with Ben and Solarium Coffee. Super communicative, friendly, and professional.
Nick
Assistant Director, Event Planning
Book the coffee cart for your private event
Ben and Halle (the owners) are personally involved in every event, so the people you are about to hear back from are the same ones ensuring a smooth service on event day.
Fill out our form and we will get back to you in minutes.
Rather reach out directly?
Phone: (617) 620-0232
Email: info@solariumcoffee.com
Private Event Coffee Cart FAQ
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Yes. Most of our private event bookings are at private residences. We need a 6x6 ft space, one 15-amp outlet, and ground-level access for roll-in. Garages, patios, living rooms, and backyards all work.
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One barista serves approximately 50 guests per hour. For events with more than 100 guests, we recommend two baristas. Not everyone orders at once, so our capacity typically exceeds the headcount comfortably.
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No. Every booking includes unlimited drinks from our event menu for the full service window.
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Matcha lattes are included with every booking. Chai lattes are available as add-ons.
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Two to three weeks is typical. Weekends fill faster than weekdays, especially in spring and fall. If you want custom cup branding, give us two weeks notice.
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Solarium Coffee is an owner-operated business. Ben and Halle are personally involved in every event we book, from the initial planning conversations through menu decisions and day-of logistics. Most of the time, one or both of us will be the barista behind the cart. For larger events, or on the occasional day when both of us cannot be on site, a trained team member joins or stands in for us. Anyone representing Solarium has been prepared by us directly and is held to the same standards we set for ourselves.