Modern Cottage Housing is the Bay Area’s most refined additional dwelling unit (ADU) builder—blending design excellence, strategic planning, and a deep commitment to sustainability. For homeowners seeking to add long-term value to their residence, MCH delivers custom environments crafted with precision and care. Every step of the process—from permitting to the final build—is managed by experienced professionals, ensuring transparency, efficiency, and peace of mind. With no hidden fees and clear expectations from day one, MCH builds trust as intentionally as it builds homes.

What sets MCH apart is not just the elegance of the finished product, but the integrity of the process. Each project begins by understanding the essence of the home and the vision of the homeowner—whether that means creating independent living for a loved one, bringing natural light into every corner, or thoughtfully reshaping existing square footage. Sustainability is woven into every decision. As a LEED Accredited Professional and a member of the U.S. Green Building Council, MCH designs energy-efficient, environmentally responsible dwellings that meet today’s needs while safeguarding tomorrow’s. With over 40 years of combined experience, MCH simplifies complex zoning, permitting, and building regulations—delivering beautifully modern, purpose-built spaces that are as good for people as they are for the planet.