HOME ADDITION BUILDER IN NEW JERSEY
EXPAND YOUR SPACE AND ENHANCE YOUR HOME
Are you envisioning a more spacious, functional, or valuable home in New Jersey? As the leading home addition contractor serving Monmouth, Ocean, Mercer, Burlington, and surrounding counties, Liamar is here to turn your dreams into reality. With years of experience in delivering exceptional home additions, our team of skilled professionals is dedicated to providing top-notch services tailored to your specific needs and preferences. Discover how we can make your home addition project a seamless and rewarding experience.
NJ Home Builder Lic #50855 – HIC #13VH10321300 – BBB A+ Rating – Serving Central and Coastal NJ (Monmouth, Ocean, Mercer, Burlington).
WHY CHOOSE A HOME ADDITION IN NJ?
INCREASE VALUE AND LIVABLE SPACE
Do you love your current location but need more room? Expanding your home is a cost-effective way to significantly increase your living space without the hassle of moving. Whether your home is a ranch, colonial, bi-level, split-level, or contemporary, adding square footage not only solves space issues but also boosts your home’s value—often making the new addition pay for itself.
SIMPLER THAN MOVING
Choosing a home addition can be more straightforward than purchasing a larger house. In a competitive market, securing your dream home without being outbid is challenging. Plus, moving involves extensive time commitments like packing, coordinating with realtors, bankers, movers, and dealing with inspections and utilities. A home addition offers a simpler way to enjoy more space while staying in the comfort of your current abode.
COMPREHENSIVE HOME ADDITION SERVICES
As an experienced home addition builder in New Jersey, we offer a diverse range of services to cater to your unique needs:
ROOM ADDITIONS
- Extra Bedrooms: Seamlessly integrate new bedrooms into your existing home, from cozy guest rooms to spacious master suites.
- Home Offices: Design functional and inspiring workspaces with optimal lighting and soundproofing to enhance productivity.
- Playrooms and Family Rooms: Create the perfect space for family gatherings or children’s play areas, designed for comfort and durability.
KITCHEN EXPANSIONS
- Larger Cooking Areas: Expand your kitchen to accommodate all your culinary needs with more counter space and an improved layout.
- Modern Amenities: Integrate smart appliances, energy-efficient lighting, and advanced storage solutions.
- Entertainment-Friendly Designs: Design kitchens perfect for entertaining, with open floor plans flowing into dining and living areas.
BATHROOM ADDITIONS
- Master Bathrooms: Transform your master suite with luxurious features like soaking tubs, walk-in showers, and heated floors.
- Guest Bathrooms: Ensure visitors feel comfortable with stylish and functional bathrooms featuring modern fixtures.
- Half-Baths and Powder Rooms: Add convenience with space-efficient designs perfect for high-traffic areas.
SECOND-STORY ADDITIONS
- Additional Living Space: Expand upwards when lot size is limited, adding bedrooms, bathrooms, or new living areas.
- Seamless Integration: We ensure the new level blends smoothly with your existing structure, maintaining aesthetic harmony.
- Outdoor Spaces: Enhance with balconies or terraces for beautiful views and additional outdoor living areas.
SUNROOMS AND CONSERVATORIES
- Sunrooms: Enjoy natural light year-round in versatile spaces ideal for relaxation or indoor gardening.
- Conservatories: Create ideal environments for plants with climate control features for year-round gardening.
- All-Season Rooms: Use the space comfortably in any weather with proper insulation, heating, and cooling systems.
GARAGE CONVERSIONS
Transform your underutilized garage into a functional living space without extensive construction.
- Guest Suites: Create comfortable accommodations complete with bedroom, bathroom, and kitchenette, perfect for visitors or as a rental unit.
- Home Offices: Design a quiet and private workspace with all necessary amenities for a productive environment.
- Entertainment Rooms: Develop home theaters, game rooms, or bar areas where you can relax and entertain guests.
WHAT CAN YOU CREATE WITH A HOME ADDITION?
Your new home addition can serve any purpose you desire. Whether adding entirely new space or expanding your current layout, the possibilities are virtually limitless:
- In-Law Suites
- Private Suites with Separate Entry
- Fitness Rooms
- Entertainment Rooms
- Home Theaters
- Mancaves
- Laundry Rooms
- Guest Spaces
- Hobby or Craft Rooms
- Bowling Alleys
- Indoor Pools or Saunas
- Attached Pool Houses or Cabanas
Our team ensures that your new addition is safe, sound, and fully compliant with the latest code requirements in New Jersey. We match exteriors, windows, doors, and roofing so your addition seamlessly integrates with your home, making it appear as if it has always been there.
UNDERSTAND THE COSTS AND TIMELINE
AVERAGE COST OF HOME ADDITIONS IN NJ
The cost of completing a home addition in New Jersey can vary significantly based on several factors, including the size of the addition, the specific areas being expanded, and your design choices. On average:
- Room Additions: $80,000 to $150,000
- Second-Story Additions: $100,000 to $250,000 or more
We emphasize a meticulous pre-construction process that considers all variables. This thorough approach allows us to provide an accurate and detailed budget, enabling you to evaluate the feasibility of your home addition with confidence. By addressing these elements upfront, we aim to eliminate financial surprises during construction, ensuring a smooth and predictable project flow.
YOUR TIMELINE FOR COMPLETION
The timeline for a home addition project typically ranges from 2 to 6 months, depending on location, size, and complexity. This includes:
- Planning and Design: Working with you to create detailed plans.
- Permitting: Navigating local building codes and obtaining necessary approvals.
- Construction: Building your addition with precision and care.
- Finishing Touches: Painting, flooring, lighting, and final details.
Our team assists you throughout this comprehensive timeline, ensuring each phase is meticulously planned and executed.
OUR PROVEN HOME ADDITION PROCESS
- Initial Consultation: We assess your home and discuss your ideas, needs, and budget.
- Design and Planning: Our design team creates detailed plans using advanced tools.
- Permits and Approvals: We handle all necessary permits and ensure compliance with local regulations.
- Construction: Skilled craftsmen build your addition with a focus on quality and efficiency.
- Finishing Touches: We bring your vision to life with attention to detail.
- Final Walkthrough: We ensure everything meets your expectations before project completion.
WHAT OUR CUSTOMERS THINK ABOUT US
My wife and I had an incredible experience with Liamar Construction. We had a master bedroom/bathroom addition done. From the first phone call with Rob, we were immediately comfortable. Rob answered all of our questions and said anything was possible. For two months before we gave any deposit Rob went back and forth with different designs. Once we agreed on the right design, Rob came up with a very fair payment schedule. From the first day of demolition, Frank was there every day throughout the ...
Our family is very happy with the work Rob Hawks and his team did on our home addition. We had 650 square feet added on top of our garage to add a large master bedroom and our dream bathroom. The work took only 3 months and we were expecting 4 months or more. The speed of the project was amazing, as it was completed over last winter before our third child arrived. Their communication was always clear and they always cleaned up daily and were very respectful to us and our situation. We are very satisfied. A++
We hired Liamar for a major renovation that involved adding an entire second story to our home, and we couldn’t be happier. From start to finish, their communication was outstanding and there were never any surprises. They were on site every single day, which kept the project moving smoothly and on schedule. Any time an issue came up, they already had a solution ready or clearly walked us through the options. If you’re looking for a builder you can trust who shows up and keeps you in the loop, we highly recommend Liamar without hesitation.
Wonderful company to work with. I asked them to build a master bedroom with walk in closet and large bathroom above my garage, and they went above and beyond, especially Frank who was in charge of most of the work involving this project. I can't say enough about this company. The communication and patience that Rob showed for my wife and I was stellar...made additional requests and Frank was able to fulfill those for us despite throwing off the schedule some. I highly recommend Liamar Construction!
Liamar did an outstanding job.... Their communication was clear and consistent throughout the project, and they truly listened to my ideas. Rob and Frank felt like a partner in every decision, and it was clear my satisfaction was their top priority. I’d highly recommend them to anyone looking for a thoughtful, collaborative builder
Rob, Frank and his team did an outstanding job and the communication, in particular, was the best I've ever had when it comes to a contractor. Literally every time I ever needed to call, they were available. They proactively kept me informed versus what I've found more the traditional with these things in me having to call for updates. The price and timeline were exactly as outlined in the quote and they handled all the permits and communication with the town for me. I'm very pleased with the final product. I highly recommend Liamar. Great guys, great company.
Rob is an awesome contractor. Very genuine and professional. Smart and intelligent. Also very humorous made me laugh so hard.. call him you will not be disappointed.
We built a 1 story addition back in May and I wanted to share my experience with Liamar. After meeting with four builders, I decided to go with them because their style felt like a match for what we were looking for in a builder. What I liked most about the company was that they communicated with us throughout the entire time all the way to the end to make sure everything was meeting our expectations. Rob and his team are professional and knowledgeable, and we are very satisfied with the look and layout of our new addition. Highly recommend them.
I recently had the pleasure of consulting with Rob from Liamar, a general contracting company based in Howell Township, NJ. Although my project wasn’t an ideal fit for their services, Rob graciously took the time to engage in two detailed phone conversations, offering invaluable advice and guidance. His willingness to assist, even without the prospect of immediate business, speaks volumes about the integrity and professionalism of Liamar. It’s companies like these, who prioritise community and genuine support, that truly deserve recognition. I would recommend this business.
Google reviews
BBB A+ rating
WHY CHOOSE LIAMAR AS YOUR HOME ADDITION BUILDER IN NJ?
- Expertise and Experience: With years of experience, we understand the unique challenges of home additions in New Jersey.
- Comprehensive Services: From design to finishing touches, we handle every aspect of your project.
- Customized Solutions: We tailor our services to your lifestyle, preferences, and budget.
- Quality Craftsmanship: Our commitment to excellence ensures your addition adds lasting value.
- Transparent Communication: We maintain open communication throughout the project for a stress-free experience.
If you’re considering a home addition in Monmouth, Ocean, Mercer, Burlington, or surrounding counties, contact Liamar today to schedule your initial consultation. Our team is eager to discuss your project and provide the exceptional service that New Jersey homeowners have come to trust. Let’s create the home of your dreams together!
- Full-Service, Start to Finish: Everything you need under one roof.
- We Handle Plans & Permits: Ensuring quality, professionalism, and compliance.
- Local, Family-Owned & Operated: Decades of combined experience.
- Free Estimates, Competitive Pricing: Get a detailed project quote.
- All-Inclusive Responsibility: One-stop shopping experience.
- A+ Rating: Dedicated to excellent service.
- Discounts Available: Senior and military discounts to save on your renovation.
NJ COUNTIES SERVED
- Monmouth County
- Mercer County
- Middlesex County
- Ocean County
- Burlington County
- Surrounding Areas
FAQ
Project size, scope and finishes drive price, but most New Jersey home additions fall into two ranges: $80 K – $150 K for single‑room or bump‑out expansions, and $100 K – $250 K for larger second‑story “add‑a‑level” builds. Our enterprise‑level pre‑construction process clarifies structural needs, utilities, and material selections up‑front, giving you a fixed line‑item budget before work begins and preventing cost surprises.
A typical Liamar addition, from design to final inspection, spans roughly two to six months. We allot 2–4 weeks for design and permitting, 4–16 weeks for foundations, framing, MEP upgrades and weather‑tight shell, and 2–4 weeks for interior finishes. Precise scheduling software keeps trades on site in the correct sequence and lets you track progress in real time while minimizing downtime and weather delays.
Yes. Every home addition in Monmouth, Ocean, Mercer, Burlington and surrounding counties must pass local zoning review and secure building, electrical, plumbing and fire permits. Liamar’s in‑house expediters prepare stamped plans, file all applications, coordinate inspections, and deliver the final Certificate of Occupancy, so you stay fully compliant without the red tape.
Every home addition in Monmouth, Ocean, Mercer, Burlington, and nearby counties must clear local zoning and obtain building, electrical, plumbing, and fire permits. With three decades of permitting experience, Liamar’s in‑house expediters know each inspector by name. We prepare stamped plans, file the applications, and coordinate every inspection, keeping the process smooth and politics‑free. When the final Certificate of Occupancy arrives, your project is fully compliant and you never had to stand in line at town hall.
Absolutely. Our design‑build team documents your existing facade, siding profile, roof pitch, window grille pattern and brick or stone colors, then specifies identical or complementary materials—down to mortar tint and trim reveals. Skilled finish carpenters feather new lines into old, ensuring a seamless “it’s always been there” appearance that preserves curb appeal and maximizes resale value.
As a leading home addition builder NJ homeowners trust, we create in‑law suites, second‑story add‑a‑levels, raise‑a‑roof projects, kitchen expansions, custom sunrooms and energy‑efficient garage additions and conversions. Whether you need a larger primary suite, more bedrooms and bathrooms, a light‑filled family room or a fully self‑contained apartment, our architecture‑to‑turnkey process delivers code‑compliant space, increased equity and modern functionality.
Reviewed: November 2025
CONTACT US TODAY
Ready to expand your space and enhance your home’s value? Call Liamar at 888-655-0064 or fill out our online contact form to get started on your home addition project.
PHONE
888-655-0064
LOCATION
4301 US HIGHWAY 9 N STE 4
HOWELL, NJ 07731
BUSINESS HOURS
Mon – Fri 8AM to 9PM
Sat – Sun 9:00 am to 5:00 pm
SERVICE AREA
Serving Monmouth, Ocean, Mercer and surrounding NJ counties.
SERVICE AREA: Towns & Cities Where We Build Home Additions
Adelphia, Allenhurst, Allentown, Allenwood, Asbury Park, Atlantic Highlands, Avon By The Sea, Barnegat Light, Barnegat, Bass River, Bay Head, Beach Haven, Beachwood, Belford, Belmar, Berkeley, Beverly City, Bordentown City, Bordentown, Bradley Beach, Brick, Brielle, Browns Mills, Burlington City, Burlington, Chatsworth, Chesterfield, Cinnaminson, Cliffwood, Colts Neck, Columbus, Cookstown, Cream Ridge, Deal, Delanco, Delran, Eagleswood, East Windsor, Eastampton, Eatontown, Edgewater Park, Englishtown, Evesham, Ewing, Fair Haven, Farmingdale, Fieldsboro, Florence, Forked River, Fort Dix, Fort Monmouth, Freehold, Freehold Township, Hainesport, Hamilton, Harvey Cedars, Hazlet, Highlands, Hightstown, Holmdel, Hopewell, Hopewell Township, Howell, Imlaystown, Interlaken, Island Heights, Jackson, Jobstown, Juliustown, Keansburg, Keyport, Lacey Township, Lake Como, Lakehurst, Lanoka Harbor, Lavallette, Lawrence Township, Leonardo, Lincroft, Little Egg Harbor, Little Silver, Loch Arbour Village, Long Beach, Long Branch, Lumberton, Manahawkin, Manalapan, Manasquan, Manchester, Mansfield, Mantoloking, Maple Shade, Marlboro, Marlton, Matawan, Medford Lakes, Medford Township, Middletown, Millstone, Monmouth Beach, Moorestown, Morganville, Mt Holly, Mt Laurel, Navesink, Neptune City, Neptune, New Egypt, New Gretna, New Hanover, New Lisbon, Normandy Beach, North Hanover, Oakhurst, Ocean Gate, Ocean Grove, Ocean Township, Oceanport, Palmyra, Pemberton, Pemberton Township, Pennington, Pine Beach, Plumsted, Point Pleasant Beach, Point Pleasant Borough, Port Monmouth, Princeton, Rancocas, Red Bank, Riverside, Riverton, Robbinsville, Roebling, Roosevelt, Rumson, Sea Bright, Sea Girt, Seaside Heights, Seaside Park, Shamong, Ship Bottom, Shrewsbury, Shrewsbury Township, South Toms River, Southampton, Spring Lake Borough, Spring Lake Heights Borough, Springfield, Stafford Township, Surf City, Tabernacle, Tinton Falls, Toms River, Trenton, Tuckerton, Union Beach, Upper Freehold, Vincentown, Wall, Waretown, Washington Township, West Creek, West Long Branch, West Windsor, Westampton, Wickatunk, Willingboro, Woodland, Wrightstown
