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Architect · Collaborator across 1 market
Juancarlos Fernandez (Signum Architecture).
Cerro Studio collaborates with Juancarlos Fernandez (Signum Architecture) on luxury residential projects across Napa. We bring interior architecture, materials specification, FF&E, and the long-form client relationship; partner architects and builders bring the structural, envelope, and construction discipline that make a Cerro home possible.

Napa — one of the markets where Juancarlos Fernandez (Signum Architecture) and Cerro Studio collaborate.
Markets we share
Where we work alongside Juancarlos Fernandez (Signum Architecture).
Common signature elements
What our shared homes tend to share.
- Reclaimed barn timber and Douglas fir beam framing
- Honed limestone, board-formed concrete, weathered steel
- Lime plaster and Venetian plaster in warm agricultural tones
- Vineyard-facing loggia, outdoor kitchen gardens, and bocce courts
- Sommelier-grade cellar with tasting bar and library wall
- Heritage-oak preservation and drought-adapted native landscape
From our work
Projects in markets where we collaborate with Juancarlos Fernandez (Signum Architecture).
Begin a project
Working with Juancarlos Fernandez (Signum Architecture) already?
We'd be glad to discuss the interiors. If you have plans in schematic, design-development, or permit set, send them and we'll return a written review within five business days, free.
