South Mountain Company
Integrated design-build for high-performance homes on Martha’s Vineyard.
What they're known for
A worker-owned practice combining architecture, construction, interiors, and energy systems under one roof.
South Mountain Company is a worker-owned design-build firm serving Martha’s Vineyard. Architecture, interiors, construction, and energy systems are handled within one integrated practice, allowing enclosure, mechanical, material, and site decisions to stay coordinated through delivery. It is a long-running example of the high-performance home as a complete system rather than a collection of upgrades.
Capabilities
- Architectural Design
- Custom Construction
Performance focus
- Indoor Air
- Healthy Materials
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Sources
Facts verified September 2026. Compound is an independent editorial directory and is not affiliated with this company unless stated.