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Rendering: a container office at dusk on a gravel pad, charcoal steel shell, oak slat entry and a lit glass front showing a meeting table and a wall screen with a floor plan

Container offices for rent · Massachusetts

A real office on your site, built in a box

Finished shipping-container offices, sales suites and amenity rooms for contractors, developers and apartment communities outside Boston. Month to month.

Call (508) 918-4861
  • Built out in under 30 days
  • Month-to-month terms
  • Architect-stamped, engineered builds

Plan a unit for your site

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Pick your space

All spaces

  1. Jobsite office rental

    A real office on your job site, not a trailer with a desk.

  2. Leasing and sales offices

    A welcoming place to lease, sell or pre-sell, set up on your property.

  3. Amenity spaces

    Add a fitness room, workspace or lounge in a single parking spot.

  4. Meeting and presentation rooms

    Meet, present and walk through the drawings, right where the work is.
Rendering: two workstations with monitors and task chairs, lit oak shelving, framed building drawings on the wall and a wall TV inside a container office
Design rendering

Inside every unit

Everything inside, ready on day one

Not a trailer with a desk. A finished room your team and your clients want to walk into.

  • Screens for the drawings

    Put the plans up on a big screen and walk the room through them.

  • Workstations

    Desks, monitors and task chairs, ready to plug in.

  • Climate and light

    Insulated walls, real heating and cooling, warm LED lighting.

  • A place to host

    Meeting table, coffee station and a glass front that looks the part.

Anatomy of a unit

One box. Everything a room needs.

Drawn the way we draw it for a client: the shell, what goes in the walls, and what you walk into.

  1. Steel shellA shipping container: the structure is already there.
  2. Insulated wallsFinished inside like a room, not a trailer.
  3. Climate controlReal heating and cooling, LED lighting.
  4. Glass frontLight in, and a space people can see into.
  5. ScreensPut the drawings up and walk the room through them.
  6. WorkstationsDesks, monitors, chairs. Plug in and work.

From call to delivery

Under 30 days from the first call to a finished unit on your site.

Plan my unit
  1. Rendering: a container site office with black corrugated steel, an oak slat entry with a glass door, cream panels, a blue accent panel and a concrete step

    01

    Tell us the site

    Where it goes, what it is for and how long you need it.

  2. Rendering: a container leasing office on landscaped grounds, oak slat cladding, glass front, an exterior display screen on the steel side, ornamental grasses and a concrete walk

    02

    We build it out

    A steel container, retrofitted in a modular facility under an architect's stamp, in under 30 days.

  3. Rendering: a finished container office being set onto a gravel pad by a crane truck on a construction site, excavator and bare trees behind

    03

    Delivered and set

    It arrives finished. You walk in and get to work.

  4. Rendering: a large wall screen showing a building plan and 3D model inside a container office, a walnut table with a laptop and rolled drawings in front

    04

    Month to month

    Keep it as long as the job runs. When it ends, it goes back.

Quick answers

What is My Capstone Box?

My Capstone Box rents finished shipping-container offices, sales suites, meeting rooms and amenity spaces in Massachusetts. It is its own company, based in Foxborough, from the team behind Capstone Design Partners.

How long does a unit take?

Each unit is retrofitted in a modular-building facility, built out in under 30 days.

How long can I rent one?

Month to month, for as long as the job, the lease-up or the season needs it.

Where do you deliver?

New England, with a focus on the towns outside Boston from Quincy to Burlington and the corridor down to Foxborough.

See every space
Rendering: the length of a container office from the back wall, a glass wall with trees on the left, a wall screen and meeting table ahead, oak panelling
Design rendering

Plan a unit for your site

Tell us where it goes and what it is for. We will come back with the options.

Plan my unit(508) 918-4861
  • Month to month
  • Built in under 30 days
  • Based in Foxborough
Call(508) 918-4861Plan a unit