Top-rated addition to existing structure builders.

Get matched with top addition to existing structure builders in Hillsborough, NJ

Enter your zip and get matched with up to 3 pros

Matching on HomeAdvisor

Share some details icon
Share some details about your home project.
Match with local pros icon
Within moments, match with highly-rated local pros.
Compare quotes icon
Compare quotes and choose the best pro for the job.

Find Addition to existing structure builders in Hillsborough

Avatar for Bryan's Handyman & Home Improvement Service
Bryan's Handyman & Home Improvement Service
4.7(
537
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2008

Free estimates

Warranties offered

"We are very pleased with the new deck build by Bryan and his team. They first tore down the old deck to the frame, which was still in good shape. They then rebuilt the deck. They replaced the floorboards, the side railings and boards, and the steps. It looks great and is very solid. See attached pics."
Bathtub and wall
Kitchen Remodel
Remodeled bathroom
Staircase remodel
Basement Door

+377

Response time5 days
Response rate100%
2 neighbors recently requested a quote
Avatar for BMR BelMax Remodeling
BMR BelMax Remodeling
4.8(
67
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

In business since 2018

Free estimates

Warranties offered

"BelMax did several projects for me including two major projects; (1) remodeling a basement bathroom with the addition of a shower and adding a second-floor addition to the house which became a walk-in closet. BelMax worked with an architect to get a solid design, pulled the permits, completed the work, and got the work approved. I am very pleased with the quality of their work. Throughout the job, the crew wore masks and shoe coverings when they worked inside, which I appreciated. They were also very clear about what was budgeted for each minor project so that later when we changed some of the requirements, we were able to work together to figure out the change in cost. Please note that some of the changes in scope were required. For example, after prior to the work stating, the architect said that we had to add another bedroom window to the house to meet city code. I recommend them and would consider them for work at my house in the future."
Shower
Bathroom
Bathroom 2
Bathroom 3
Shower base

+48

Response time6 hrs
Recommended by74%of homeowners
Avatar for Nicopal Construction
Nicopal Construction
4.8(
71
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2005

Free estimates

Emergency services offered

"I hired Nicopal Construction to demo and gut my finished basement. It was a horrible dirty job, so I had a very hard time finding a company that would take the job without re-finishing the basement when complete. Vincent, the very friendly owner, came by and provided an estimate. He understood that I wanted to move quickly, so he scheduled the job the following week. I really appreciated his urgency in moving on the project. First day John and Vincent came out to begin work. Don’t let John’s youthful appearance fool you. This young man is a total workhorse! He has the work ethic of a Depression era coal miner. He enjoys hard work, and, just as important, does excellent work. With any project we hit some snags, but Vincent and John were always keeping me updated. In the end; the job was completed and I am extremely satisfied with the end result. Again, special thank you to John. He really did a great job. As with any project, there is a level of stress. I have to say, Vincent was awesome to work with during the whole process. Here’s an example, after work was complete and final payment was made, there was some additional work that was missed (this was my fault and not Nicopal’s). Vincent stayed in communication with me and came back out to complete the work! I have never experienced that level of service from a contractor. Usually once they get their final payment you never see them again. This is not the case with Nicopal Construction. Thank you, Vince! You truly are a man of your word. I would highly recommend Nicopal Construction for any project. We have a few more projects in mind in the future and will be reaching out again. Thank you again guys! I appreciate the hard work."
Roofing Siding Masonry
Roofing Siding Masonry
Roofing Siding Masonry
Roofing Siding Masonry
Roofing Siding Masonry

+236

Response time11 hrs
13 neighbors recently requested a quote
Recommended by93%of homeowners
All-Star Contractors of Hunterdon County, LLC
4.7(
37
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 1970

Free estimates

Emergency services offered

"I recently hired this contractor to address some serious structural issues with a garage, and I couldn't be more pleased with the results. The garage had been showing signs of deterioration, particularly in the footings, which raised significant concerns about its overall structural integrity. From the initial consultation to the final inspection, the contractor and his team demonstrated exceptional professionalism, expertise, and attention to detail and were willing to work within the constraints of a modest budget."
Response time3 days
Response rate100%
Recommended by82%of homeowners
Avatar for A.W. Martin, Inc
A.W. Martin, Inc
4.0(
71
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"These guys put the ‘master’ back in ‘craftsman’! Once on the job, they are on-the-job! Professionals, they will arrive early, work all day and clean up their mess before leaving. If there’s a question about how to address an issue, they will ask the customer, but always have solutions to offer. Make sure you have all the items you’re responsible for ordered (appliances, counter top, cabinets, faucet, hardware etc.) and in-house, or with delivery dates because you will have trouble keeping up with them once they start! Quality of work is outstanding and always with an attention to detail. The job stayed on budget, all additional work was done under change orders – except one instance. Make certain to ask whether any changes being discussed come under the scope of the contract or are additional work. This is particularly important with sub-contractors like plumbing and electrical."
Seahorse Shower
Tile artwork
Shower pan
Jacuzzi tub
Natural stone wall

+39

Response time4 days
Response rate100%
5 neighbors recently requested a quote
Avatar for WA Construct
WA Construct
4.6(
33
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

In business since 2014

Free estimates

Warranties offered

"Hasnain and his team at Wa did a 2nd level addition and remodel of our ranch. We were on a tight schedule and they did everything they could to get us home on time. During covid, with many supply issues, this was no easy task but they pulled it off."
State of the Art Kitchen
Riverside Medical centre
Fort Lee
Gut Remodeling
Modern Home Remodel

+411

Response time11 hrs
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Home Built Construction LLC
Home Built Construction LLC
5.0(
5
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

We are a full-service construction company that specializes in new home construction and residential and commercial remodeling. Home Built is known for its high-quality work. We warranty our workmanship and are proud of our record of excellence, above-par customer service, and repeat engagement by our clients to carry out additional projects.\n

4 neighbors recently requested a quote
Avatar for Innozign Contracting, LLC
Innozign Contracting, LLC
4.8(
9
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

In business since 2006

Free estimates

Credit card accepted

"It was a 2nd time that we worked with Justin, the owner of Innozign contracting. He did a great job. The only reason that I didn't give a 5 star acknowledgment is due to the fact that project took much longer than scheduled, which in part was due to the twp's inspection schedule. I can recommend Innozign contracting full heartedly for any phase of a remodeling project. Justin has delivered top quality work from Start to the end. He works meticulously organized and deliberate, he is open to discussion, calm and always cooperative and very friendly. He would not be satisfied until the job others have done has been executed to his and your standards. I can only recommend Innozign which he represents for these kind of projects and we are doing a follow up project with him right away."
Basement Remodel
Full House Renovation
Custom Home (In-progress)
Commercial Store Front
Carriage House Renovation

+233

Response time1 day
Response rate91%
7 neighbors recently requested a quote
Avatar for MF Builders, LLC
MF Builders, LLC
3.7(
3
)
Addition to Existing Structure - Build

Serving Hillsborough, NJ and surrounding areas

Approved

Free estimates

Warranties offered

Customers say: True professional

"I recently had the pleasure of working with MF Builders on a home addition, kitchen remodeling, and bathroom remodeling project, and I am beyond thrilled with the results! From the very beginning, their team was professional, communicative, and truly took the time to understand my vision for the space. The home addition turned out better than I could have imagined, seamlessly blending with the existing structure while adding much-needed space and functionality. The kitchen remodel completely transformed the heart of my home. It now feels open, modern, and incredibly efficient. The attention to detail in the cabinetry, countertops, and lighting really made a difference. As for the bathroom, it went from outdated to absolutely luxurious. The design was both practical and stylish, with quality finishes and fixtures that made it feel like a spa. Throughout the process, the MF Builders team was respectful of my space, kept the work area tidy, and always made sure I was satisfied with each step. What really stood out was their commitment to meeting deadlines and staying within budget. They provided regular updates and were always open to any questions or concerns I had. I am so happy with the final outcome and highly recommend MF Builders to anyone looking to renovate or expand their home. They exceeded my expectations in every way!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+6

Recommended by100%of homeowners
...
Showing 1-10 of 428
FAQs for addition to existing structure building service projects in Hillsborough, NJ

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The Hillsborough, NJ homeowners’ guide to addition to existing structure building services

From average costs to expert advice, get all the answers you need to get your job done.