Signum Architecture is a boutique design firm located in Napa Valley, California, specializing in custom residential, winery, and hospitality architecture. Their work emphasizes strong relationships with clients, attention to context, and a thoughtful approach to material, form, and landscape.
The studio’s portfolio includes vineyard estates, tasting rooms, private homes, and boutique commercial projects—each crafted to evoke connection, sustainability, and inspiration. Signum aims to create architecture that stirs emotion and reflects both place and personality.
LOCATION: Napa Valley, California, USA
LEARN MORE: Signum Architecture
Set in the mountains between Sonoma and Napa, this weekend home is just 10 minutes from downtown Calistoga, but it seems much further removed. Our involvement with the project began early. Familiar with the valley and the…
To create a house that lives up to the unique character of the site, the couple brought together a close-knit group. In our collaborative process, design decisions were made over long lunches, and the result is a…
Our clients for this project originally asked us to design a pool house for their existing 6,000-square-foot craftsman-style home. Although they had done an earlier renovation, the interiors remained dark and disconnected from the pool, site and…
Placement on the site was important to simultaneously capture the views of the hills and obscure the views of neighboring development. We rotated the house, setting it diagonally on its east-west facing site to orient it toward…
Quintessential West Sonoma County living on a modest budget floating above a 22 acre existing vineyard knoll top site. The elegantly simple layout was conceived by orienting the four axes of the home to capture the best…
Casa Cielo Azul includes 2 bedrooms, 2 ½ baths, office, wine cellar and covered terrace. Floor to ceiling glass in the kitchen, where the owners spend most of their time, fills the room with natural light. Indoor materials…
