Your Preferred Home Additions Team
Top-Quality, Affordable Home Addition Contractors
20+ Years of Experience
Full and Partial Extensions & Additions
Lifetime Satisfaction Guarantee
Our Services
Single and Multi-Story NJ Home Additions
Making room for a loved one, a new office space, or an extra craft room: whatever your dreams may be, let NJ’s best home addition contractors make them a reality.









Expand Your Horizons with Top-Quality Custom Home Additions

Full extensions, partial extensions, bump-outs, room makeovers, and more — our construction team takes great pride in delivering exactly what you had in mind.
- 2nd-story additions
- Bedroom additions
- Dormers
- Home offices
- Attic and garage conversions
- Accessory dwelling units (ADUs)
- Bump-out additions
- Sunrooms
- Laundry and mud rooms
- Basement additions
- And so much more
We pride ourselves on delivering a comprehensive suite of home addition services to meet your needs. No matter what your story is, let Jazz Construction’s deliver a masterpiece you’ll be proud to call home sweet home.





















Home Additions Without the Hassle
New Beginnings Start With Proven Processes
Our home addition contractors have nailed the art of luxury construction with a 4-step proven design-build process that delivers beautiful results every time.
Step 1: Initial Site Visit
We’ll meet and assess the proposed addition with you. We’ll then schedule a complimentary consultation and discuss plans in detail.
Step 2: Complimentary Estimate
Prior to any design or construction work, we develop a cost estimate for the job. Once the estimate is confirmed, we move into materials selection and design.
Step 3: Construction
Our NJ home additions project managers conduct careful inspections to verify structural soundness. We then schedule material deliveries and begin construction. We’ll guide you through the building process every step of the way.
Step 4: Time to Enjoy!
Now that your new home addition is complete, it’s time to relax in comfort. You’re free to enjoy your beautiful new dream space.
Our Featured Home Additions
Find your muse with our affordable luxury home additions. Browse our comprehensive gallery of full and partial extensions, custom design-builds, second-story additions, and much more.
What the Community Says About Our Room Addition Contractors
“I had them remodel two bedrooms and install a walk-in closet. I’m very happy and satisfied with the results.”
- Zaki A.“We did a full basement renovation. Jazz Home and Vidal Construction are very professional. They completed my work on time as expected and within the given cost price. I highly recommend them.”
- Jacinto F.“I’ve used Jazz Construction for my own property as well as for my listings as a realtor. He is undoubtedly professional, honest, and dependable. His pricing is reasonable, and he never overpromises but will always deliver on what he commits to. I recommend him to my clients all the time!”
- Waji E.“I had an outdoor kitchen installed and was very happy with the work. Jazz went the extra mile so I had to worry about nothing. I’ll be using him for all my projects.”
- PBX P.100%. We Offer Financing Options
We have long-standing relationships with financial lenders. Explore our low monthly payment options.
Schedule a Complimentary Home Addition Consultation Today
Ready to get started on your NJ home addition? Schedule your free estimate, and one of our home addition contractors will be in touch shortly.