Haas Builders is a professionally accredited green builder in Big Sky, Montana

For over 25 years, Haas Builders has provided cost effective, quality custom home building solutions to clients in the mountain west. Owned and operated by John Haas, Haas Builders is a boutique custom home building company located in Big Sky, Montana. From complex and finely detailed new residences to simple, straightforward remodels or renovations – we have the expertise to complete any home construction project.

We are certified and accredited in the nation’s top green building sectors and can provide earth-friendly solutions to reduce environmental impact throughout your construction project.

  • NAHB Certified Green Builder
  • LEED Certification – Leadership in Energy & Environmental Design
  • Certified Energy Star Home Builder
  • Member of the US Green Building Council
  • Member of the National Association of Home Builders Green Building Council