Elevated interiors for everyday living.
Full-Service Interior Design in Marin County & the Bay Area
Sidemark Studio is a boutique interior design firm based in Mill Valley, California, creating comfortable, elevated spaces tailored to our clients' lives. We specialize in new construction, significant renovations, and whole-home furnishings, designing homes to be loved and lived in for years to come.
Creating spaces that feelSophisticated
Timeless
Approachable
Inviting
Tailored
Meet Ushi & Zoe of Sidemark StudioBeautifully considered spaces that work effortlessly for everyday life.
At Sidemark Studio, we understand that life is constantly in motion, with kids, pets, friends, and everyday gatherings. Our approach is about creating homes that are thoughtfully curated and truly reflect who you are.
As a boutique studio led by two principals, every project benefits from our combined experience, collaborative perspective, and personal involvement.
Featured Projects
Napa Valley, California
Mill Valley, California
Belvedere, California
Our Interior Design Services
We offer comprehensive interior design for new construction and renovations, as well as whole-home and multi-room furnishings. Our work is guided by close collaboration with clients and project partners, bringing every detail together to create cohesive, thoughtfully curated homes.
New Construction & Renovations
Full-Service Furnishings & styling
Design Days
Have a project in mind?
Whether you're planning a new home, undertaking a significant renovation, or furnishing your spaces, we'd love to hear what you have in mind and explore how we can work together.
Curious about working together?
If you're considering a project but aren't quite ready to reach out, our complimentary Services Guide offers a closer look at our approach, design process, and what to expect when working together.
Sign up to receive a copy straight to your inbox.