• Why Choose Us
01
Building Science Focus
We integrate advanced building science principles to create healthier indoor environments, ensuring clean air, pure water, and abundant natural light for your family's well-being.
02
Transparent Project Management
With JobTread software, you'll have real-time access to every aspect of your project, fostering complete transparency and peace of mind throughout the construction journey.
03
Collaborative Design Process
Whether you bring your own architect or need connections to trusted local designers, we embrace a collaborative approach to bring your unique architectural dreams to life.
04
Dual-State Licensed Expertise
Licensed in both North Carolina and South Carolina, our extensive experience across the Carolinas ensures your project adheres to the highest standards, regardless of location.

• Our Services
01
High-Performance Custom Homes
We specialize in constructing custom homes that are not only beautiful but also energy-efficient and high-performing, designed to offer superior comfort and sustainability for years to come.
02
High-End Home Renovations
Elevate your current Ballantyne residence with our luxury renovation services. We meticulously transform existing spaces into sophisticated, functional areas that enhance your home's value and aesthetic appeal.
03
Seamless Home Additions
Expand your living space with a thoughtfully designed home addition. Our team ensures a seamless integration with your existing structure, providing you with the extra room you need without compromising style or quality.
• How We Work
01
Consultation
We begin with a personalized consultation to deeply understand your vision, lifestyle, and specific requirements for your SouthPark custom home or renovation project.
02
Planning / Inspection
Our team meticulously plans every detail, from architectural designs to material selections, and conducts thorough site inspections to ensure a solid foundation for your project.
03
Execution
With skilled craftsmen and rigorous oversight, we bring your plans to life, maintaining open communication and adhering to the highest standards of quality and safety.
04
Final Check / Delivery
Before handing over the keys, we conduct a comprehensive final inspection to ensure every detail meets our exacting standards and your complete satisfaction.

• Where We Build
Costner Building Group is proud to serve SouthPark and its surrounding communities in Mecklenburg County, including Charlotte, Ballantyne, and SouthPark, as well as nearby Waxhaw in Union County.
Ballantyne
SouthPark
Waxhaw
Mint Hill
Charlotte, NC
Indian Land
Fort Mill
Rock Hill
Lake Norman
Mecklenburg County
Union County

• Local Expertise
Choosing a local custom home builder like Costner Building Group for your SouthPark project means partnering with a team deeply familiar with Charlotte's unique character and building regulations. Our local presence ensures responsiveness, clear communication, and an understanding of the Carolina climate, allowing us to build homes that are not only beautiful but also resilient and perfectly suited to the region. We are licensed in both North Carolina and South Carolina, providing comprehensive expertise for your luxury home construction or renovation.
• Client Stories
"
They listened, guided, and delivered exactly what we envisioned — only better. The craftsmanship is unmatched, and the home feels designed around our lives.
Homeowner, Charlotte NC
"
The transparency throughout the entire build was remarkable. We always knew exactly where our project stood. Costner Building Group exceeded every expectation.
Custom Home, Ballantyne NC
"
From the first consultation to move-in day, the team was professional, attentive, and genuinely cared about building us a healthier home. We couldn't be happier.
Custom Home, Waxhaw NC
• Get Started Today
Your dream home in SouthPark awaits. Partner with Costner Building Group to experience a building journey defined by transparency, craftsmanship, and a deep commitment to your family's well-being.
Book a Consultation• Common Questions
What makes Costner Building Group different from other builders in SouthPark?
We stand out through our building science focus, prioritizing healthy indoor environments, transparent project management with JobTread, and a highly collaborative approach to design and construction.
Do you only build new custom homes, or do you also handle renovations in SouthPark?
While custom home building is our primary service, we also specialize in high-end home renovations and seamless home additions, transforming existing SouthPark residences with luxury finishes.
How long does a typical custom home project take in SouthPark?
The timeline for a custom home varies based on complexity and size, but we work diligently to establish clear timelines during the planning phase and keep you updated throughout the process via JobTread.
Can I use my own architect for my SouthPark custom home project?
Absolutely. We welcome collaboration with your chosen architect. If you need recommendations, we can connect you with trusted local designers who understand the SouthPark aesthetic.
Is Costner Building Group licensed to build in both North and South Carolina?
Yes, Costner Building Group is fully licensed in both North Carolina and South Carolina, allowing us to serve clients across the greater Charlotte metropolitan area and beyond.