With its vineyard-lined hills, warm climate, and timeless appeal, Napa Valley offers the perfect setting for country home architecture of the highest standard. Rob Mills Architecture & Interiors brings decades of experience to crafting elegant, enduring homes in California’s most desirable locations.

Located just north of San Francisco, Napa Valley is renowned for its wine culture, seasonal beauty, and relaxed sophistication. Whether it’s a private residence nestled among the vines or a contemporary country estate, this region invites considered, intelligent design, where architecture responds to the land. For those seeking an architect in Napa Valley, RMA offers the expertise to bring your home to life.

Our architectural studio is renowned for designing luxurious homes that celebrate natural light, fresh air, and a connection to the outdoors. From efficient home designs to passive thermal performance and sustainable materials, we prioritize wellbeing and resilience in a changing climate.

RMA’s holistic practice combines residential architecture, interiors, and styling into a seamless, unified experience. That means a consistent vision from the first sketch to the final furnishing — and all tailored to suit your lifestyle, tastes, and the unique qualities of the site. Whether you’re building a new family home or a refined retreat, we deliver spaces of enduring comfort and character.

To initiate the process, please contact our Los Angeles office to schedule a conversation with Rob Mills and the team about your future home in Napa Valley.