HOME ADDITIONS & NEW SPACES
in madison, nj
Sometimes the home you love simply doesn’t offer the space you need—and in Madison, NJ, where historic charm meets modern living, that’s where a thoughtfully designed addition can make all the difference. Whether you’re envisioning a light-filled kitchen expansion, a new primary suite, or a functional home office, Manta Design-Build brings the experience and creativity needed to help you build the space you’ve been imagining.
From zoning and permitting to structural design and interior finishes, adding onto your home is a complex process—but with our integrated design-build team, it becomes an organized, collaborative journey. We handle everything in-house, ensuring your addition is cohesive, code-compliant, and built to last.
We invite Madison homeowners to explore our gallery of completed additions across Morris County to discover what’s possible. With clear communication, expert craftsmanship, and a tailored design process, we help you enhance the way you live—without ever leaving the place you call home.
At Manta Design-Build, we’ve helped clients throughout Madison, NJ create purposeful, seamless additions that respect the home’s original character while introducing the comfort and space needed for the next chapter.
OUR SPECIALTIES
Premier Design-Build Remodeling in Madison, NJ
ARCHITECTURAL INTEGRATION
We carefully match architectural features, rooflines, and materials to ensure your Madison addition feels like a natural extension of your original home.
SPACE PLANNING & LAYOUT DESIGN
Our designs maximize every square foot of your Madison home—improving flow, flexibility, and long-term functionality across new and existing areas.
STRUCTURAL & LOAD-BEARING MODIFICATIONS
We manage complex structural updates and reinforcements to keep your Madison home safe, stable, and fully supported during and after construction.
CUSTOM INTERIOR FINISHING
From trimwork to cabinetry and built-ins, we deliver custom interior detailing that gives your Madison addition a cohesive and elevated finish.
ENERGY EFFICIENT SOLUTIONS
We prioritize insulation, high-efficiency windows, and smart design techniques that reduce energy consumption and increase comfort in your Madison home.
IMPROVED FUNCTIONALITY
ENHANCED AESTHETICS
INCREASED PROPERTY VALUE
ENHANCED COMFORT & RELAXATION
IMPROVED ENERGY EFFICIENCY
OUR SERVICES
MAKING YOUR DREAM A REALITY
CONVENTIONAL HOME ADDITIONS
MANTA DESIGN-BUILD
A conventional home addition is a practical and transformative way to grow your living space without leaving your neighborhood in Madison. Whether you’re adding a great room, formal dining area, home office, or expanded entryway, our design-build team ensures the new space fits your daily life while matching the style of your existing home. We focus on architectural cohesion, interior continuity, and long-term value. Every phase—from foundation and framing to mechanical systems and final finishes—is handled with expert care and craftsmanship. The result is a new space that feels like it was always part of your Madison home—seamless, functional, and purposefully built around your lifestyle.
BUMP-OUTS & ROOM ADDITIONS
MANTA DESIGN-BUILD
Even a modest addition can have a big impact. In Madison, bump-outs and room expansions are a smart way to improve your home’s livability without a full-scale renovation. Whether you’re expanding a kitchen, adding a sitting area, or enlarging a bedroom, Manta Design-Build creates additions that maximize space and maintain your home’s character. We take into account everything from sun exposure to rooflines, window placement, and trim details—ensuring your new room looks and feels like it’s always belonged. With efficient layouts and refined finishes, our bump-outs deliver the space you need without the stress of major construction.
SECOND-STORY ADDITIONS
MANTA DESIGN-BUILD
For Madison homeowners looking to dramatically increase square footage without sacrificing yard space, a second-story addition offers the perfect solution. Whether you’re adding multiple bedrooms, a new bathroom, or a flexible bonus room, we design the upper level to flow naturally from your existing layout—both inside and out. Our design-build team handles zoning requirements, structural engineering, and full execution with care and coordination. The result is a second story that looks and feels like it’s always been there. With smart planning and beautiful finishing touches, your second-story addition enhances comfort, value, and the future flexibility of your Madison home.
ACCESSORY DWELLING UNITS (ADUs)
MANTA DESIGN-BUILD
Whether for extended family, guests, or rental income, an ADU is a flexible and valuable addition to your Madison property. At Manta Design-Build, we specialize in designing self-contained living spaces that align with your needs, meet all local codes, and complement your main home’s style. These compact dwellings include full bathrooms, efficient kitchens, inviting living areas, and smart storage—all within a small, highly usable footprint. We focus on comfort, privacy, and long-term performance. Whether it’s a detached cottage, a garage conversion, or a basement suite, we help Madison homeowners unlock the potential of their property with expertly designed and crafted ADUs.
OUTDOOR SPACES
MANTA DESIGN-BUILD
Beautiful outdoor living is an essential part of the lifestyle in Madison, and we design custom spaces that help you enjoy it year-round. Whether you’re looking for a shaded dining area, a deck for entertaining, or a built-in fire pit for evening gatherings, Manta Design-Build brings your backyard vision to life. We tailor every detail—from layout and lighting to finishes and furnishings—so your outdoor space feels like a true extension of your home. With expert craftsmanship and durable materials, we create areas that enhance curb appeal, increase function, and invite everyday enjoyment in the comfort of your own backyard.
OUR process
The Manta Design-Build Difference
With years of hands-on experience transforming homes, Manta Design-Build has developed a streamlined process that removes the stress from renovation and remodeling. Our approach is rooted in organization, transparency, and thoughtful planning—ensuring your project stays on schedule, on budget, and aligned with your vision from day one. Every project we undertake follows five clearly defined phases, each designed to deliver exceptional craftsmanship, consistent communication, and a seamless experience from concept to completion.
01. PLANNING
The planning phase is where our collaboration begins. We take the time to understand your goals, lifestyle, and vision—laying the foundation for a successful partnership. It’s also your opportunity to get to know us better. We invite you to explore our portfolio and read reviews from past clients to see how we approach each project with care and craftsmanship. If it feels like the right fit, we’ll move confidently into the design phase and start shaping your vision into reality.
02. DESIGN
During the design phase, we take detailed measurements and dive deeper into your goals and style preferences. From there, our team creates 3D renderings to help you visualize the layout and finishes. You’ll visit our showroom to explore and select materials—from countertops and tile to lighting and fixtures. Once your design is finalized, we move into the refine phase to get everything ready for construction.
03. IMPLEMENTATION
In the Implementation Phase, our construction team gets to work bringing your design to life with expert craftsmanship and attention to detail. We handle everything from demolition and framing to installation and finishing touches, ensuring each step meets our high standards. Throughout the build, we maintain open communication, provide regular updates, and stay on schedule to minimize disruptions to your routine. Our goal is to deliver a smooth, stress-free experience—so you can enjoy the transformation without the headaches.
04. FINISHING TOUCHES
As we reach the final stage, we focus on the details that truly complete your space. Our team conducts a thorough quality check, fine-tunes every element, and ensures each finish meets our exacting standards. From adjusting hardware to perfecting caulk lines and touch-ups, no detail is overlooked. We’ll walk through the space with you to ensure everything meets your expectations, and only then do we consider the project complete. The result is a beautifully finished bathroom that feels polished, personal, and ready to enjoy.
05. ENJOYMENT
The final phase is all about stepping into your newly transformed space and fully enjoying the results. We’ll guide you through a comprehensive walkthrough to ensure every detail meets your expectations and functions as intended. If anything needs adjusting, we’ll take care of it promptly. With everything complete, you can finally relax, unwind, and enjoy a bathroom that’s not only beautiful—but thoughtfully built for the way you live.
OUR gallery
BROWSE OUR WORK
Experience where elevated design meets expert craftsmanship with Manta Design-Build’s custom bathroom remodels. From serene, spa-like escapes to bold, modern statements, our gallery showcases the transformation of everyday bathrooms into personalized sanctuaries. With a focus on timeless style, premium materials, and precision detail, we create spaces that reflect your vision and enhance the way you live. Explore our work and discover how thoughtful design can redefine your daily routine.
GET STARTED TODAY
LET'S BUILD YOUR DREAM
COVERAGE AREAS
YOUR PARTNER IN RENOVATON
MANTA DESIGN-BUILD | PROUDLY SERVING NEW JERSEY
At Manta Design-Build, we take pride in transforming homes for clients in Chatham, Short Hills, and Summit, NJ. Our skilled team blends thoughtful design with superior craftsmanship to deliver a seamless, high-quality remodeling experience. Starting a project with Manta means trusting your vision to a dedicated, detail-driven team that’s committed to excellence from start to finish.
- Chatham
- Madison
- Mendham
- Morris Plains
- New Providence
- Short Hills
- Summit











