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Top-Rated Addition and remodeling pros in New Castle - Updated Nov 2026

Avatar for Owens Corning Basement Finishing System
Owens Corning Basement Finishing System
4.5(
533
)
Basement - Remodel

Serving New Castle, NH and surrounding areas

Approved

Super Service Award Winner

In business since 1990

Free estimates

Warranties offered

"We had the most amazing experience with our basement remodeling. It was done quickly and efficiently. The end product was exactly what we wanted, gaining additional space and comfort. We utilize the new space as a den for our family to play games and watch movies. It’s our new favorite spot in the house. I recommend this company to anyone looking for a basement remodel."
Media Room Before
Media Room After
Games Room Before
Games Room After
Living Room Before

+128

Response time11 hrs
68 neighbors recently requested a quote
Recommended by69%of homeowners
Avatar for Horsman Builders
Horsman Builders
4.3(
23
)
Sunroom or Patio Enclosure - BuildAddition to Existing Structure - BuildAddition to Existing Structure - Build - For Business+9 more

Serving New Castle, NH and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"I would not hesitate for a second hiring Horsman Builders for any of my house projects or remodel, in fact that is what I will do from now on. I was nervous starting a project having to handle things on my own but Tim made me comfortable with a detailed estimate, answered all my questions, kept me informed about the work, the site was always clean and the result is awesome, my neighbor was commenting on how great it is just checking it out from a window. Fair price, excellent quality and great customer service. A+"
General Remodeling Project
General Remodeling Project
Additional Photos
Additional Photos
Additional Photos

+4

Response time7 hrs
Response rate100%
2 neighbors recently requested a quote
Avatar for Chris Johnson Custom Builder
Chris Johnson Custom Builder
5.0(
9
)
Addition to Existing Structure - BuildGarage - RemodelKitchen - Remodel+2 more

Serving New Castle, NH and surrounding areas

Approved

In business since 1997

Free estimates

Warranties offered

"It went great. Chris built our custom home exactly to our specifications. We lived out of state for the entire build. Chris maintained open lines of communication with us so that we always knew what was going on. His work is impeccable. His attention to detail resulted in our dream home being exactly what we expected when we hired him. His group of subcontractors were great throughout the entire process. I have not spoken to anyone in the area that has anything but praise for Chris and his work ethic. Chris came highly recommended by a number of people and I would carry on that tradition and recommend Chris Johnson for any construction project from a remodel to building a new home from the ground up. I would certainly use Chris again for any future construction needs."
Donica road
Cappy’s lane York Maine
Donica road
Cappy’s lane York Maine
Donica road

+45

7 neighbors recently requested a quote
Recommended by100%of homeowners
Avatar for Live Free Remodeling LLC
Live Free Remodeling LLC
5.0(
12
)
Bathroom - RemodelAddition to Existing Structure - BuildMajor Renovation - Multiple Rooms+1 more

Serving New Castle, NH and surrounding areas

Approved

In business since 2025

Credit card accepted

Offers commercial services

We pride ourselves on our extreme professionalism and attention to detail. Our customer satisfaction guarantee will assure you we will not leave your property until you are completely satisfied with our work. As a locally owned and operated business you can trust that we will treat your home as we would treat our own. Give us a call today, and we look forward to working with you!

Man Cave
Man Cave
Man Cave
Man Cave
Man Cave

+11

19 neighbors recently requested a quote
Avatar for True North Contracting
True North Contracting
4.4(
96
)
Addition to Existing Structure - BuildAddition to Existing Structure - Build - For BusinessBasement - Remodel+7 more

Serving New Castle, NH and surrounding areas

Approved

In business since 2005

Free estimates

Small jobs welcome

"Costa and his crew are true professionals. The price he quoted me for the replacement of my roof was spot on. Costas showed up on time ,completed the work, cleaned up the area and personally guaranteed his work. I will definitely call him again if I need additional work and would recommend him to others."
Roof
Kitchen Reno
Finish
Ready for Grout
 Finished

+66

Response time7 hrs
14 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for IDEAL SOLUTIONS LLC
IDEAL SOLUTIONS LLC
4.8(
13
)
Basement - Remodel

Serving New Castle, NH and surrounding areas

Approved

In business since 2020

Free estimates

Credit card accepted

"I had an excellent experience with Ideal Solutions on my basement remodel. From start to finish, the team was professional, communicative, and detail-oriented. The quality of the work exceeded my expectations, and the finished basement turned out even better than I imagined. Everything was completed on time, and they made the entire process smooth and stress-free. I would absolutely recommend Ideal Solutions to anyone looking for basement remodeling or home improvement work."
17 neighbors recently requested a quote
Recommended by66%of homeowners
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Showing 1-10 of 357

FAQs for addition and remodeling projects in New Castle, NH

The proper sequence of a kitchen installation starts with laying the foundation and structural framework. From there, you need to establish utilities like plumbing, wiring, and gas lines, then install cabinetry and countertops, and finally finish with flooring, painting, tile backsplashes, and lighting. A professional kitchen installation contractor can coordinate each component of your project to minimize the timeline and maximize resources.

The New Castle, NH homeowners’ guide to addition and remodeling services

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