Our Style is Your Style Plus
KBKC Design has a diverse portfolio of work from luxury residences in Northern California’s east bay, San Francisco and Silicon Valley to a Malibu beach house, to reimagined Boston row houses and updated Cape Cod “cottages”. We are often asked “What’s your style?” Our style is your style plus. We are here to help you express yourself. The “plus” comes through our experience and creativity in designing, building, and furnishing something that connects with you in ways you hadn’t imagined.
About The KBKC Team
The KBKC Design Team, led by Creative Director, Ken Costa, has over 25 years of experience in interior design, architecture, and real estate development. The team’s work spans from coast-to-coast. With high-end residences from the East Bay, Atherton and Silicon Valley to New York, Boston, and Cape Cod. Global travels, including recent visits to Mongolia, Morocco, and Egypt, continue to influence the creative group’s unique design perspective.
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Elevate your living spaces with timeless style, function and expert craftsmanship.
We transform spaces into refined, inviting sanctuaries tailored to your lifestyle. Whether you're planning a full remodel or need a fresh update, our team is here to guide you every step of the way.

