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Architecture and Home Design in Mill Valley
Designing Modern, Elegant Homes in Mill Valley
Urban Building Workshop specializes in designing custom homes that embrace Mill Valley’s unique landscapes, climate, and architectural character.
Whether you’re planning a new home, a major remodel, or looking to add an accessory dwelling unit (ADU), our award-winning team has the expertise to navigate the area’s challenging terrain, zoning regulations, and design requirements.
UBW is a full-service architecture firm with 25 years of experience and 50+ completed projects across California. We design beautiful, functional homes that reflect our clients’ vision and lifestyle.
Custom Home Design and Architecture
Our designs harmonize with Mill Valley's unique redwood groves and steep topography. Well versed in many design styles, every design incorporates light-filled spaces, modern yet timeless aesthetics, and functional layouts that enhance your lifestyle.
Major Home Remodels and Additions
From whole-home renovations to carefully crafted expansions, we bring new life to existing Mill Valley homes. Our expertise ensures that additions feel seamless, enhancing flow, natural light, and spatial efficiency.
Hillsides and Complex Sites
Mill Valley’s sloped lots can be challenging to build on, but our expertise in hillside engineering, foundation work, and retaining walls ensures safe, stable, and stunning homes that make the most of every view.
Accessory Dwelling Units (ADUs)
ADUs are a great way to add space, generate rental income, or create a private retreat for family members. We help clients design ADUs that comply with local regulations while maximizing usability and aesthetic appeal.
Sycamore Park
A modern Mediterranean take in a classic neighborhood.
Hillside Home
Maximizing views and natural light over multiple levels.
Family Entertainment
Functional and elegant for the needs of growing families.
Local Expertise
With years of experience designing and building in Mill Valley, we understand the nuances of zoning laws, hillside development, and historical preservation.
Approval Process
We have direct experience navigating the permitting and approvals process for Marin County, San Francisco, and Sonoma County.