Green Hammer
Portland design-build practice focused on Passive House and high-performance construction.
What they're known for
An Oregon firm combining architecture, construction, building science, and deep-energy work under one design-build team.
Green Hammer is a Portland design-build firm working across high-performance homes, Passive House, renovations, deep-energy upgrades, multifamily and commercial projects. Its integrated team combines design, construction and building-science expertise, with airtightness, insulation, high-performance windows, heat-recovery ventilation and low-energy operation treated as baseline project concerns rather than add-ons. Green Hammer is a firm-side profile because its value is the coordination of design and construction around performance targets.
Capabilities
- Architectural Design
- Custom Construction
- Deep-Energy Retrofit
Performance focus
- Passive House
- Healthy Materials
- Thermal Comfort
- Indoor Air
- Low-Carbon Construction
Credentials
Oregon CCB #163466
Oregon Construction Contractors Board license number published by the firm.
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Sources
Facts verified September 2026. Compound is an independent editorial directory and is not affiliated with this company unless stated.