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Hupomone Ranch

Turnbull Griffin Haesloop

Shared By

Carl Servais


  • Structural Engineer: MKM Associates
  • Geotechnical Engineer: Bauer and Associates, Inc.
  • Civil Engineer: Adobe Associates, Inc.
  • Mechanical Engineer: Meline Engineering
  • Landscape Architect: Lutsko Associates Landscape
  • Loisos + Ubbelohde
  • Interior Designer: Erin Martin Design
  • David Wakely

Project Status


Certifications and Designations

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Project Description

Hupomone Ranch is an original 160 acre homestead located in the Chileno Valley, just 3 miles west of downtown Petaluma. The ranch had been fallow for over 30 years and the owners wanted to build a family house that would reflect their commitment to sustainable farming, draw on the natural serenity of the site and build on the sense of place in western Petaluma, where farming and ranching are still a part of people’s daily lives.

The site has a wonderful balanced quality to it, and the simple grounded form of the barn shape is sited to compliment this setting and capture the long views to the coastal range beyond. Entering a low porch on the more opaque north side under the loft above, the light-filled house opens up to the long view south and gathers the bedrooms and kitchen to either side.

The house is certified LEED Platinum and includes a number of energy saving features, exceeding Title 24 by over 50 percent. Passive heating and cooling with thermal mass and insulation, Geothermal, radiant cooling and heating along with solar and photovoltaic panels contribute to the house’s energy efficiency.

An integral part of the design, the landscaping includes several outdoor living areas, organized along a riparian restoration and native plantings.
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