Interior Design Redefined.
Interior Design Studio based in San Francisco, California.
(San Francisco)
We give vision, structure, and the confidence you need to build momentum.
New Key Design & Co. is a luxury interior design and architecture studio specializing in high-end residential interiors and full design-build projects across the San Francisco Bay Area, including Napa Valley, Walnut Creek, Mill Valley, and surrounding premier neighborhoods.
(About Us)
We design refined, architecturally grounded spaces for discerning homeowners who value clarity, craftsmanship, and long-term quality. Our work spans interior architecture, custom residential design, material curation, and photorealistic 3D visualization, allowing clients to fully understand their home before construction begins.
New Key Design & Co. creates homes that feel intentional, timeless, and tailored to the way our clients actually live.
Work with a design-build team that protects your vision and your investment.
How we can help you
01
Luxury Interior Design
Our process begins with comprehensive luxury interior design planning, combining spatial layout, functional planning, architectural coordination, and material strategy. This phase establishes a clear foundation for high-end residential interior design, ensuring alignment between vision, budget, and construction feasibility.
02
Architectural Interior Design and Design Development
Our team develops architectural interior concepts that integrate structure, proportion, materiality, and detailing. This phase transforms ideas into a cohesive, technically grounded interior design vision.
03
High-End 3D Visualization and Rendering
We produce photorealistic 3D renderings for luxury homes, allowing clients to fully understand space, light, materials, and finishes before construction begins. These visuals eliminate uncertainty and support confident decision-making.
04
Design Coordination and Construction Alignment
We coordinate interior design with architects, contractors, and consultants to ensure design intent is executed accurately. This integrated approach reduces friction, controls costs, and protects the final outcome.
We believe financial clarity comes from turning complex numbers into practical strategies. Our approach helps you move quickly, stay aligned, and uncover opportunities before they arise.
Smarter Decisions, Faster
Turn complex numbers into clear strategies. Access actionable insights that help you make confident business moves without hesitation.
Growth That Stays on Course
Track performance against your goals in real time. Keep every department aligned and ensure your company grows with purpose.
Opportunities Before They Surface
Uncover market shifts and financial signals early. Stay ahead of risks and seize advantages before your competitors even notice.
A complete interior design process focused on clarity, quality, and execution.
Years of Experience
15+
Designing and delivering high-end residential interiors
Client Retention
92%
Long-term relationships built on trust and results
Projects completed.
90+
Luxury residential interiors delivered
Testimonials
They love us
S
“Straightforward and supportive. Working together turned numbers into an actionable plan I could trust.”
Samuel Mitchell
Restaurant Owner
M
“Clear, practical advice that actually made sense. Exactly the guidance I received helped me move forward with confidence.”
Marissa Lawson
CCO, Nectar Media
G
“Professional, reliable, and easy to understand — Jonathan gave me the clarity I needed to plan my finances.”
Gabriel Roberts
Marketing Director
(Welcome Home)