Home Additions in Cary, NC
Add the space your house is missing, built to look like it was always there.
NC License #100043 · Fully Insured · Building in the Triangle Since 2021
Add the space your house is missing, built to look like it was always there.
NC License #100043 · Fully Insured · Building in the Triangle Since 2021
Your house works everywhere except the one place it needs to. One more bedroom would fix it, or a living room wide enough for everyone who spends time in it.
Additions involve structural work that is more complex than a remodel, and AG-CM is a licensed home addition contractor in Cary built to handle that complexity.
Extra bedrooms or a wider living area built onto your existing footprint.
A new primary bedroom with its own bath and closet.
Private living space for a parent or family member.
A new garage, attached or detached.
A full second floor over your existing footprint.
An addition ties new structure into a house that was engineered without it. The foundation has to carry the new load and settle with the old one. Water is the other problem, because the new roofline meets the existing roof and every seam it makes is somewhere water can sit. Your heating and cooling was never sized for this.
All of that happens before any of it looks like a room. It is also where an addition fails years later, in a crack line at the seam or a room at the end of a duct run that never gets warm.
Every addition in the Triangle needs permits and inspections, and the requirements shift between Cary, Raleigh, Apex, Morrisville, Holly Springs, Durham, and Chapel Hill. Setbacks and lot coverage limits decide what an addition can be before design starts.
North Carolina requires a licensed general contractor on any project valued above $40,000, which covers most additions. We handle permitting and inspections on your project.
TESTIMONIALS
“A great company to deal with, detail oriented, and care about the your project as if it was their own personal project.”
“AG construction is the real deal! I have worked with Abdallah on over 15 projects. He is honest, super customer oriented and has a high attention to detail.”
“AG-CM displays exceptional teamwork, communication, and honesty, making the entire experience efficient, from planning a Kitchen Remodel project to its completion. “
Abdallah Atieh • Founder
Abdallah Atieh runs AG-CM and runs every project personally, which is why you get one point of contact for the whole build. Framing, electrical, HVAC, painting, and cabinetry come from trade partner companies he has worked with for years, so the crews on your addition are the crews he already trusts. The person who quoted the work is the person on site when a question comes up.
WORKING WITH AG-CM
01
Consultation
We walk the house and give an honest read on what the lot and the structure will allow.
02
Design
Layouts and elevations of the addition, drawn so you see it before anything gets ordered.
03
Estimating
A clear estimate covering the structural work and the finishes. No vague ranges.
04
Planning
Permits pulled and inspections scheduled before the first shovel goes in.
05
Construction
Quality build, clean site, and you’re kept informed throughout.
06
Final Walkthrough
We walk the finished space together. Done when every detail meets your standard.
Home Remodeling in North Carolina
Timelines depend on the size of the addition and how long permitting runs in your municipality. You get a project schedule before construction starts.
Yes. Every addition requires permits and inspections, and North Carolina requires a licensed general contractor on any project valued above $40,000.
The addition works from your home's existing structure and rooflines so it reads as part of the original house. Siding and roofing on older homes sometimes need a full-elevation approach to blend, and we talk that through during design.
Most additions are built onto the outside of the house, so the existing living space stays usable for much of the build. Tie-in to the existing structure is the disruptive phase, and we tell you when it is coming.
An addition expands your existing house. An ADU is a separate dwelling on the same lot with its own kitchen and entrance, and it follows separate zoning rules. If that is closer to what you need, see ADU Construction in Cary, NC.
The parts that end up hidden. Foundation work and the structural tie-in take a large share of the budget before any finish material gets picked, which is why two additions with the same square footage can price very differently.
Check the NC license and the insurance, then ask who is actually on site day to day. Additions tie structural and mechanical work into an existing house, so the coordination matters as much as the finish work.

Tell us what the space needs to do and we will walk the house with you.