About Open Square
A diverse thriving community (of businesses).
Open Square is a diverse, interesting community of creators, professionals, entrepreneurs, businesses and change-makers. At Open Square, our buildings envelop you, the curved hallways welcome you and your work space just feels right.
You spend a lot of time at work (90,000 hours over a lifetime by one estimate). Open Square believes in making office, studio and retail spaces that support you doing your best work.
Our brick walls and maple floors ground you. Our friendly community encourages fellowship. You’ll feel proud to welcome clients to your office because they will be impressed with your space.
And perhaps most importantly, Open Square is powered by renewable energy, making us the greenest choice for your company.
We’d love to welcome you to our community.
About John Aubin
Architect and developer John Aubin began Open Square in 2000. He is also the General Partner for Echo Hill of Holyoke, a 42 unit townhouse development adjacent to Open Square. Mr. Aubin’s background includes ten years working in New York City architectural offices and broad experience in design, construction and development. He initiated both the local and state incentives for market-rate housing in urban centers and has won two competitive grants for Open Square’s hydroelectric facility.
Zero Net Energy
Open Square is the country’s largest zero net energy mixed-use development.
We create about 1/2 megawatt, enough to power about 500 homes.
Frequently Asked Questions
Open Square is a diverse community of businesses in seven spacious, historically-significant brick and wood mill buildings. Our commercial spaces are infused with gorgeous custom design, modern materials, and superb craftsmanship. We rent office studio and light industrial space flooded with natural light, with redundant broadband, quick access to north/south and east/west highways and room to grow your business on-site.
Click here for directions.
We have one residential unit that is currently occupied. If you are interested in a loft at Open Square, please sign up for our newsletters so we can keep you updated if that changes.
Open Square generates electricity with its two hydro-electric turbines, and generators. This video below shows the start-up procedure for the “D” wheel, which involves regulating the flow of water entering the turbines, and stabilizing the electricity generated. Thereafter, the wheels are placed “on line” by connecting to the power grid. Shortly after this video was recorded, the start-up and shut-down procedure was converted to full automation. The process is now be monitored and controlled remotely.
The seven mills that make up Open Square were built between 1848 (Mill 1) and 1870 (Mill 5). Open Square started it’s redevelopment in the year 2000 with three tenants and an excessively idealistic owner/architect.
View our Directory of Businesses here.
Open Square is a diverse & interesting community of businesses between 2 canals. An urban home to get your best work done.
ARTS & EDUCATION
DANCE & FITNESS
ENERGY & ENVIRONMENT
akiro Consulting – Mill 4, Suite 310
baytechIT – Mill 4, Suite 421
Community Connection Healthcare, LLC – Mill 4, Suite 211
Emergent Billing – Mill 4, Suite 416
Nectar Strategic Consulting – Mill 4, Suite 310
Richard Blaser – Mill 4, Suite 130
John M. Glover Insurance Agency – Mill 4, Suite 218
MARKETING & DESIGN
David Brunelle, Esq. – Mill 4, Suite 415
Carrie Goldstein, Esq. – Mill 4, Suite 205
Clarity Coaching with Jeremy Hernandez – Mill 4, Suite 204
Kara Parks, Esq. – Mill 4, Suite 205
Foster & Blanchette – Mill 4, Suite 124
Law Office of Susan M. Turcotte – Mill 4, Suite 132
RETAIL & HOSPITALITY
Beaulieu Electric – Mill 6, Rear entrance
Eagle Home Buyers – Mill 4, Suite 221
Eva Enterprises, LLC – Mill 4, Suite 219
River Road Billiards – Mill 4, Suite 112-114
UAW Local 2322 – Mill 4, Suite 406