Project Experience

  • Trefethen Family Vineyard – 2017 Awards Winner!

    Napa | California On August 24, 2014 the 3-story, 18,000 square foot historic barn structure of the Trefethen Winery was severely damaged during the South Napa Earthquake. The was left resting in a precarious tilt, with the upper floors rotating out of plane approximately four feet to the west. The severely damaged building was temporarily […]

  • Freemark Abbey Winery – Stone Building Renovation – NCSEA Excellence in Structural Engineering Award Winner 2017

    St. Helena | California This historic project consisted of a seismic retrofit and renovation and of approximately 24,000 square feet of total enclosed space including a 14,750 square foot main level historic stone wall winery building with an 8,400 square foot basement. The main floor was altered to level the large retail space, which includes […]

  • Alpha Omega Winery

    Rutherford | California Modifications were made to an existing winery building to reconfigure the tank room and create a tasting area and exterior canopy and pond structures. This was followed by  a new processing building for crushing, fermenting and barrel storage. In addition to the metal building foundation, ZFA prepared the structural design for the office areas […]

  • Artesa, Sparkling Wines

    Napa | California Construction of this winery includes subterranean, pre-cast, pre-stressed concrete and structural steel.

  • Fog Crest Winery

    Healdsburg | California ZFA designed 3,200 square feet of new space for barrel storage, a covered porch, a wine bar, a kitchen and restroom facilities. Site walls at the terrace and entry garden were included to express the landscape. Construction cost was $3 million.

  • Gandona Estate

    St. Helena, CA Wall St. Journal Piece on Gandona Estate

  • Chateau Montelena

    Calistoga | California Chateau Montelena is a premiere historic winery. The stone building, built circa 1888, was in need of structural upgrades to ensure it would withstand an earthquake. ZFA designed a seismic retrofit scheme to reinforce the second floor framing by adding steel plates on the sides of the 100+yr old wood beams, new pedestals […]

  • Law Estate Winery

    Paso Robles | California Doug Dan; Photography© BAR Architects With construction complete, this contemporary style winery now has a 10,000-case capacity production, winemaking lab, administrative offices, catering/demo kitchen, tasting/retail room and three guest units. The property’s slopes and ridge line were thoroughly studied to take advantage of indoor/outdoor spaces, barrel caves, views and other opportunities […]

  • Quintessa Winery

    Rutherford | California This unique winery is cut into a cave with entries to the cave on the lower level. The 12,000 square foot upper level is cast-in-place concrete. The structure’s semicircular shaped form is nestled into the natural line of the hill. Wine is processed using a gravity flow system where grapes are funneled from […]

  • Ridge Vineyards

    Healdsburg | California Committed to sustainable vineyard and winery practices, Ridge Vineyard’s Tasting Room is also eco-sustainable. The tasting and barrel room building on the campus is 9,000 square feet with walls made of straw bales and vineyard clay and built using an in-fill process. The structural system is comprised of glue laminated columns and […]

  • Dominus Estate Winery

    Yountville | California Spanning 42,000 square feet, this winery is made of pre-cast, pre-stressed concrete and steel with gabion walls. It was designed to work within the natural landscape with its long, low rock facade blending beautifully with the vineyard and surrounding hills. The linear plan was created to work with the development of the […]

  • Clos Du Bois Winery

    Geyserville | California One of Sonoma County’s largest wine producers, Clos Du Bois maintains a boutique approach to winemaking. This 60,000 square foot winery was built in several phases and features many types of construction. The main storage and processing areas feature pre-manufactured metal building framing with walls of tilt-up concrete panels and some steel […]