We Don't Just Plant.
We Engineer
Outdoor Living.
Precision Hardscapes & Drainage Solutions for Georgia's Terrain.
Engineering-Grade Outdoor Solutions
Every project is built with the same precision and structural integrity that defines GNX Construction's commercial work.
Hardscapes
- Paver Patios & Walkways
- Retaining Walls
- Step Treads & Landings
- Fire Pits & Outdoor Kitchens
- Pool Decks & Surrounds
Landscapes
- Premium Sod Installation
- Artificial Turf Systems
- Boulder Walls & Features
- Native Plant Design
- Outdoor Lighting
Water Management
- Advanced Drainage Systems
- Erosion Control Solutions
- French Drain Installation
- Grading & Slope Correction
- Dry Yard Guarantee
The Transformation Slider
See how we convert Georgia's challenging terrain into engineered outdoor masterpieces.
Case Study: Alpharetta, GA
Converted an unusable mud slope into a 3-tier entertainment space using modular retaining walls and hydro-logic drainage. Result: Zero erosion, zero standing water, 100% usable outdoor living.
The GNX Standard
We don't just create beautiful outdoor spaces—we engineer them to last. Every project is built with the same precision and structural integrity that defines GNX Construction's commercial work.
Projects Completed
Years of Engineering Excellence
Satisfied Homeowners
What Our Clients Say
Real feedback from homeowners who trusted GNX to transform their outdoor spaces.
Engineering Excellence
“GNX didn't just fix our drainage problem—they engineered a complete solution. After years of flooding, our yard is finally dry. The attention to detail is incredible.”
Michael Johnson
Alpharetta, GA
Beautiful & Functional
“Our paver patio is stunning! But what impressed us most was the structural integrity. You can tell this was built by real engineers, not just landscapers.”
Sarah Chen
Roswell, GA
True Professionals
“From design to completion, GNX was professional, transparent, and delivered exactly what they promised. Our outdoor kitchen is the envy of the neighborhood.”
David Patterson
Johns Creek, GA
Worth Every Penny
“We interviewed five companies. GNX was the only one that showed us engineering drawings and explained the science behind their drainage system. Best investment we've made.”
Lisa Martinez
Marietta, GA
Exceeded Expectations
“The retaining wall they built is a work of art. It's been two years and it still looks perfect. No settling, no cracks—just solid engineering.”
Robert Thompson
Cumming, GA
Highly Recommend
“GNX transformed our sloped backyard into a multi-level paradise. The grading work was complex, but they made it look easy. True professionals.”
Jennifer Williams
Sandy Springs, GA
Building Hope
Beyond Borders
We are a Kingdom-driven company. A portion of every outdoor project funds the Seed of Love Foundation, bringing education and infrastructure to communities in need.
“Whatever you do, work heartily, as for the Lord and not for men.”
— Colossians 3:23
Ready to Transform
Your Outdoor Space?
Schedule a free site analysis and discover what GNX engineering can do for your property.
Call Us
(943) 238-5890
Visit Us
4775 Fourth Rail Ln, Cumming, GA 30040
Business Hours
Mon-Fri: 8AM-6PM | Sat: 9AM-3PM