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Top-Rated Addition to existing structure builders in Neptune - Updated Nov 2026

Avatar for AVSTEP LLC
AVSTEP LLC
5.0(
13
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"I recently collaborated with AVSTEP for various home improvement projects, including roof repair, patio door replacement, electrical work, ceiling recess light installment, new flooring, curtain rack installation, water pipe replacement and ceiling replacement. I am extremely pleased with their work. AVSTEP's expertise in roof repair was evident as they efficiently addressed and explained the issues, providing me with confidence throughout the process. The patio door replacement was seamlessly executed, enhancing both aesthetics and functionality. Their electrical work adhered to the highest safety standards, and the installation of recessed lights showcased their modern design sensibility. The new flooring, curtain rack, and ceiling replacement projects were executed with precision, adding to the overall appeal of my home. AVSTEP's attention to detail, professionalism, and commitment to quality make them my preferred contractor for future projects. I highly recommend AVSTEP to anyone seeking reliable and skilled professionals for their home renovations."
Roofing Project
Remodeling - General Project
before
Before
Remodeling - Kitchen & Bathroom Project

+27

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Inson Dubois Wood LLC
Inson Dubois Wood LLC
5.0(
17
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 2005

Customers say: True professional

"It went very well. Inson always focused on the highest quality products that would fit the design. Also tried to get each item at the better price. Additionally he was meticulous with the project and **** ** the vendors to make no mistakes and focus on a quality outcome. Finally Inson and his team were diligent to make sure everything was constructed in the right manner. In our case the proper wiring and safest plumbing. Always relied on master builders and plumbers who new what they were doing. The final outcome was above expectations. I would keep in mind any project like ours will cost money - we spent extra with Inson but in the end it was the right thing to do and well worth it."
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+11

Recommended by100%of homeowners
Avatar for A.W. Martin, Inc
A.W. Martin, Inc
4.0(
72
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 1991

Free estimates

Emergency services offered

"Our project was completed with Complete professionalism by Tony and his project manager, Christian. Work was completed to a very high standard and the job progressed according to the expected timeline. I had no prior experience with AW Martin, but will certainly use them again for upcoming home renovations. Highly recommended."
Seahorse Shower
Tile artwork
Shower pan
Jacuzzi tub
Natural stone wall

+39

Response time4 days
Response rate100%
7 neighbors recently requested a quote
Hyman Construction, LLC
4.9(
10
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 1985

Free estimates

Customers say: Quick response

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade, and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business.

2 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for The Finish Guys
The Finish Guys
4.8(
20
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 2013

Free estimates

Warranties offered

"Matt and the Finish Guys team are the best. Matt is super responsive and transparent. Team has done a high quality job. We had the team renovate our kitchen and also build an addition to our house. His prices were reasonable and the job was completed in a timely manner."
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+20

2 neighbors recently requested a quote
Recommended by45%of homeowners
Avatar for SCS Construction
SCS Construction
4.6(
21
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 1989

Free estimates

Emergency services offered

"Our project was a 14' x 14' screened porch. We selected Scott SCS from other contractors based on the interview, his knowledge, understanding of the project, and communication skills. He improved our original design and made numerous suggestions during the construction process. He understood our vision of the porch and he delivered. From start to finish Scott and his work crew were always on time, polite, professional, and cleaned up the area before departing every day. I was on site watching and taking photos. So I can attest to the craftmanship and attention to detail of the crew. Every day I was informed of their plans and then I provided my thoughts, ideas, and concerns. We are extremely pleased with the finish porch and I would highly recommend SCS. They are a 10 in every category."
Additional Photos
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Additional Photos
Additional Photos

+53

Response rate100%
3 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for MF Builders, LLC
MF Builders, LLC
4.9(
9
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"I cannot express enough how thrilled I am with the exceptional work done by MF Builders on our recent home addition project. From start to finish, the experience was nothing short of outstanding. The professionalism exhibited by MF Builders and their team was unparalleled. They were punctual, courteous, and truly listened to our needs and desires for the project. Their communication throughout the entire process was clear, prompt, and transparent, leaving us feeling confident and well-informed every step of the way. The quality of craftsmanship delivered by MF Builders was simply impeccable. Every detail of the home addition, from the structural integrity to the finishing touches, was executed with precision and care. It's evident that they take great pride in their work, and it absolutely shows in the final result. If you're in search of a contractor who delivers nothing but the best, look no further than MF Builders."
Interior living room
Kitchen
Interior
Interior
Kitchen

+174

Response time8 hrs
Response rate98%
5 neighbors recently requested a quote
Avatar for Precision Revisions LLC
Precision Revisions LLC
5.0(
34
)
Addition to Existing Structure - Build

Serving Neptune, NJ and surrounding areas

Approved

In business since 2021

Free estimates

Credit card accepted

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer’s needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. \n

8 neighbors recently requested a quote
Recommended by18%of homeowners
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FAQs for addition to existing structure building service projects in Neptune, 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 Neptune, 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.