Award-Winning NJ
Home Additions
Your Dream Basement,
Without the Headaches
Home Additions in New Jersey
Designed to Fit Your Lifestyle
When your home needs more room to grow, JMC delivers thoughtful additions designed around your lifestyle. From sun-filled family rooms and private in-law suites to second-story expansions, our New Jersey design-build team brings vision and craftsmanship together. With clear communication and proven experience, we create additions that feel natural, functional, and built to last.

From Vision to Addition with JMC.
At the JMC Design Center, home additions are designed around your lifestyle. Sit with our designers to explore layouts, finishes, and materials. From family rooms and in-law suites to second stories, our award-winning New Jersey design-build team manages every detail, adding comfort, style, and long-term value.
JMC’s Additions Process
A home addition is a major investment, and it deserves a process you can trust. At JMC, we make expanding your home simple and stress-free. Our design-build team manages budgets, timelines, and details, ensuring a smooth experience that adds comfort, style, and long-term value.
Design
Collaborate with our designers to shape inspired plans and personalized selections for your kitchen remodelPlan
We finalize every detail, including budget, schedule, permits, and plans, ensuring a smooth, worry-free start.Build
Our construction phase delivers on time and budget, with clear updates and a spotless workspace.

Home Additions in
New Jersey
since 1977
Livingston, Maplewood, Montclair, North Caldwell, Short Hills, West Caldwell, West Orange
Berkeley Heights, New Providence, Scotch Plains, Springfield, Summit, Westfield
Wayne
Sparta
Basking Ridge, Bedminster, Bernardsville, Bridgewater, Far Hills, Gladstone, Martinsville, Warren, Watchung