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Hupomone Ranch

Architect / Firm: Turnbull Griffin Haesloop

Awards:    Year:    Entry Categories:

Awards:    Year:    Entry Categories:

Turnbull Griffin Haesloop

1660 Bush St. Suite 200
San Francisco California 94109

Contact Person

TGH / Eric Haesloop, FAIA

Architectural Firm

Turnbull Griffin Haesloop


Sawyer Construction: Ken & Micah Sawyer

Project Location: Petaluma, CA
Owner: Withheld
Completion Date: 03/28/2014

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.

Mark Hoffman & Jule Tsai
Structural: MKM Associates, Larry Miyano & Darlene Gong / 707-578-8185 / LarryM@mkmassociates, Inc.

Geotechnical Engineer: Bauer and Associates, Inc., Bryce Bauer / 707-484-7435 / bryce@bauergeotech.com

Civil Engineer: Adobe Associates, Inc. / 707-541-2300 / info@adobeinc.com

Mechanical Engineer: Meline Engineering / 916-366-3458 / me_info@meline.com
Landscape Architect: Lutsko Associates Landscape / 415-920-2800 / mail@lutskoassociates.com

LEED Consultant: Loisos + Ubbelohde / 510-521-3800 / studio@coolshadow.com

Interior Design: Erin Martin Design / 707-963-4141 / erin@erinmartindesign.com

Photography: David Wakely / 415-861-7503 / david@davidwakely.com

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