TRADITION

REFINED

Cape Cod’s Premier Home Builder Since 1983

Our Story

Mike Duffany founded M. Duffany Builders with a small team in 1983 and transformed the company into the community fixture we know today.

Learn More

What We Do

Full-service custom home building, renovation, and property management services on Cape Cod & Martha’s Vineyard.

Learn More

How to Work With Us

We deliver a concept to completion, concierge-level experience to remove complexity and streamline your project.

Learn More

Building on Cape Cod, Martha's Vineyard, & Nantucket Since 1983

We deliver exceptional quality and attention to detail that has earned the trust of hundreds of homeowners just like you.

Whether you’re an architect, interior designer, or homeowner, our team is here to support your project from start to finish. We offer a full spectrum of services, including preconstruction, project management, and estate management, to help execute your vision with ease.

Custom Homes

Restoration & Renovation

Property Management

Design & Build

Architectural Support

Competitive Bid

Mike Duffany founder of M. Duffany Builders

contemporary house desk with ocean view on Cape Cod

Contemporary and traditional Cape Cod styles blended in this staircase

hallet barn light commercial project by m duffany builders of cape cod

Contemporary home front tower elevation with large glass windows on Cape Cod

What our Clients & Partners say

Holly Hudson

Owner – Holly Hudson Design

I have had the privilege of collaborating on several projects with Duffany Builders over the past seven years. Each project has met and exceeded our clients’ expectations. Their workmanship is impeccable.
read more

Leslie Schneeberger

AIA + ASID

I’ve entrusted Duffany builders with my own home as well as those of my clients. Approachable, friendly and reliable. They deliver on what they promise.