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

Lar Con Construction Inc
4.7(
60
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

In business since 1986

Free estimates

Emergency services offered

"I couldn’t be happier with how my basement remodel turned out! From start to finish, the team was professional, communicative, and incredibly detail-oriented. They helped transform what used to be an ok man cave to a custom at home personal sports bar!! The craftsmanship is top-notch —lighting, and trim work are all flawless. They also stayed right on schedule and within budget, which is rare these days. I especially appreciated how they communicated and was not thrown off by the ongoing questions and changes that was thrown at them. Now we have a beautiful new living area that’s perfect for family gatherings and guests. I’d absolutely recommend this company to anyone looking to remodel their basement or any part of their home. Outstanding work! We will be giving them a call in a few months to remodel our master bathroom. Great guys not only as contractors but in general also made new friends!!!"
2 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Built Different Construction LLC
Built Different Construction LLC
4.8(
26
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

In business since 2014

Credit card accepted

Customers say: True professional

"Fabulous job! Met up with Mr. Harris to discuss my concept. I wanted a carport built on my existing driveway to park my Mini Cooper. My concept was for 4 posts, he recommended 6 to accommodate the weight of the tiled roof. He built the posts on pillars that he poured 3 feet into the ground. It has gutters with covers on either side. The finished structure is quite impressive. Me and my Mini love it."
Sunrooms and Patio Enclosures Project
Sunrooms and Patio Enclosures Project
General Remodeling Project
Sunrooms and Patio Enclosures Project
Kitchen and Bath Remodeling Project

+103

Response time1 day
Response rate100%
Recommended by92%of homeowners
Avatar for SumlinCo
SumlinCo
4.8(
21
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Warranties offered

"Sumlin construction completed the addition on our home. We are extremely pleased with emphasis on craftsmanship, integrity, thoroughness, and final results. We highly recommend Sumlin Construction and have already referred to friends and family!"
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Remodeling - General Project
Additional Photos

+12

Response time2 days
3 neighbors recently requested a quote
Recommended by71%of homeowners
Avatar for Beaver the Handyman & Home Renovations
Beaver the Handyman & Home Renovations
4.8(
18
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

Super Service Award Winner

In business since 2019

Free estimates

Emergency services offered

"Jhony and his team replaced joists and main foundation beam in the crawl space. They also laid hardwood floors in my kitchen and laundry room area. I am very pleased with the work that was done. I would gladly recommend Jhony and his team to friends and family!"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+189

Response time1 day
Response rate100%
3 neighbors recently requested a quote
Avatar for Firesign Design Build
Firesign Design Build
4.9(
7
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

In business since 2013

Emergency services offered

Warranties offered

"Kimberly and her team were excellent. She and her team finished our basement. She was very professional, worked well with our designer, listened to our needs and brought great ideas. Her communication and transparency throughout the process were outstanding and the finished product completely reflected the vision. We have gladly referred her to friends for other projects and will continue to do so."
Home Remodel
Bathroom Remodel
Bathroom Remodel
Response time3 days
Response rate100%
1 neighbors recently requested a quote
Avatar for CMC Services Group, LLC
CMC Services Group, LLC
4.4(
23
)
Addition to Existing Structure - Build

Serving Norcross, GA and surrounding areas

Approved

In business since 2003

Free estimates

Warranties offered

"This is one of the best decisions I've ever made.  I chose to work with Provenance Construction Services.  All of the workers
involved, from plumbers to electricians to painters, were on time, courteous,
and conscientious. The end result is a living space that is, for all practical
purposes, perfect. I would recommend the high quality of their
work to any potential customer. 
I choose to work with Provenance Construction Services based upon their competitive bid, outstanding
references, and most importantly, their clear, friendly, and reliable
communication skills.
The project stayed on
schedule and we were given ample "thinking time" when major decisions
needed to be made. All of the subcontractors were
excellent craftsmen and courteous professionals.
In addition, Mr.Goodman was a
pleasure to work with. He was always available to answer questions.
I received several estimates and the final decision included two other companies. Mr.Goodman came highly
recommended and I chose his company. I've never regretted my  decision.
From the beginning to the end of this project, Mr.Goodman and his employees were
wonderful to work with. They enjoy their work and it shows.
I had a great experience with Provenance Construction Services and would highly recommend them to potential customers.
"
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+65

32 neighbors recently requested a quote
Recommended by61%of homeowners
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Showing 1-10 of 655
FAQs for addition to existing structure building service projects in Norcross, GA

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 Norcross, GA 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.