At Modern Design & Build, we specialize in high-end home additions throughout Holliston,
Ashland, Framingham, Natick, Sherborn, Southborough, Bellingham, and the greater MetroWest
area — designed to feel like a seamless extension of your existing home. Whether you're
expanding into unfinished space or integrating an entirely new portion of your structure, our
approach is rooted in architectural continuity, thoughtful design, and elevated craftsmanship.
 

Our home additions include master suites, bedrooms, bathrooms, kitchens, home offices, and
full second-story expansions — each tailored to enhance functionality, flow, and long-term value
for homeowners across MetroWest. Every project begins with a personalized consultation and
design process, ensuring the new space integrates naturally with your home's existing layout
and aesthetic.

From concept and permitting through construction, our team manages every phase with
precision and attention to detail. As a trusted design-build contractor serving Holliston, Ashland,
Framingham, Natick, Sherborn, Southborough, and Bellingham, we deliver cohesive, refined
additions that elevate both your everyday living experience and your home's overall market
value.
 

Serving: Holliston | Ashland | Framingham | Natick | Sherborn | Southborough |
Bellingham | Hopkinton | Milford | Millis | Sudbury | Waltham | Wellesley