Welcome to Boston's climatetech home
Catalyzing climate and energy innovation in an ecosystem known for world-class research and discovery
A Community Committed to Climate Progress
Greentown Labs Boston is home to more than 175 startups working at the cutting edge of energy storage, advanced manufacturing, built-environment decarbonization, clean power generation, and dozens of other key climate verticals paving the way to a sustainable future.
“Greentown Labs is, to me, the crème de la crème. It's been really important for us to be in a circle of founders, industry players, and thought leaders in a space where we're trying to change the face of the industry. There's no better place for that than the Greentown community.”
Ready to get to work?
Our Somerville, MA campus offers 100,000 square feet of space for startups to innovate, making it the largest climatetech startup incubator in the world.
444 Somerville Avenue
Desk room for 400+ employees, 26-bench wet lab, and 10,000 sq ft of prototyping space.
28 Dane Street
33,000 sq ft facility with machine shop, electronics lab, and dedicated prototyping space.
24 Park Street
7,000 sq ft satellite location designed for Series A companies that need dedicated space.
Labs + Shops
Machine Shop
Mills, 3D printers, laser cutter, and the equipment startups need to build their hardware.
Explore the Machine Shop
Prototyping Lab
34,000 sq ft of open-concept lab space for R&D to rapid prototyping, preparing for manufacturing and commercial development.
Explore the Prototyping Lab
Wet Lab
26-bench, BSL-2 facility for startups innovating in biology, chemistry, and more.
Explore the Wet Lab
Electronics Lab
Dedicated space for electronics assembly, soldering, testing, and measuring.
Explore the Electronics Lab
Stanley Black & Decker Tool Shop
Tools from the brands Stanley, DEWALT, Irwin, Lenox, and Craftsman.
Explore the Stanley Black & Decker Tool Shop
Rooftop Lab
Outdoor testing for experiments that benefit from exposure to the elements.
Explore the Rooftop Lab
Coming Soon
Battery Lab
R&D, testing, and pilot manufacturing for emerging energy-storage technologies, in partnership with The Battery Guild.
Explore the Battery LabMore Than Just Space
Membership at Greentown includes wraparound startup support services on everything startups need to grow their businesses.
“Greentown Labs has allowed me to focus on my people, our technology, and what we're building, with access to a diverse set of resources.”
- Collaborative community of climatetech entrepreneurs
- Introductions to strategic corporate partners
- Investor Program
- Free and discounted software licenses
- Legal services from Foley Hoag and Wolf Greenfield
- Manufacturing and supply chain support via FORGE
- Trainings and Lunch + Learns
- CEO network
- Speaker Series
- Industry and market research reports
- Office hours with industry experts
- Marketing and brand promotion
- Community intranet
- Social community events
Offsite Resources
- Flexible event space
- Phone booths and conference rooms
- Outdoor courtyard and roof deck
- Shared kitchen
- Bike storage
- Managed mail and receiving
- Loading dock with waste channels
- 200 kW solar array
2026 Startup Membership Rates
Not a startup? Ecosystem Membership is designed for professionals across the climate and energy ecosystem who want to engage more deeply with our community—without being a startup member.
Explore Ecosystem Membership“Everyone at Greentown knows what it means to meet 'at the hexagons' or relax 'in the treehouse,' despite the fact that no formal designations for those locations exist. I am fortunate to work in a place that brings together hundreds of like-minded entrepreneurs to foster community.”
