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Leading Concrete Construction & Aerobic Wastewater System Installation in Huntsville, TX
Locally Owned, Four Generations Strong—Serving Walker County With Top Quality Concrete, Custom Home Building, and Septic Solutions
Excellence Spanning Four Generations in Walker County
For over 24 years, G2 Construction LLC has been the trusted name in concrete construction and aerobic wastewater system installation throughout Huntsville, TX and Walker County. As a locally owned and operated company with roots spanning four generations, we understand what it means to build lasting relationships alongside durable structures.
Led by Principal and CEO Nate Grigsby, our team combines decades of hands-on experience with modern techniques and equipment. We're not just contractors—we're your neighbors, committed to delivering exceptional craftsmanship on every project, from residential driveways to commercial foundations and complete custom home builds.
Our reputation is built on reliability, precision, and a personal touch that only a multi-generational, family-owned business can provide. When you choose G2 Construction, you're choosing a partner who treats every project like it's our own property.
24+ Years
Proven experience serving Huntsville and Walker County
4 Generations
Family expertise passed down through the decades
100% Local
Owned and operated right here in your community
Elite Guarantee
Certified installations with unmatched customer service
Comprehensive Concrete Construction Services
From foundational work to stunning decorative finishes, G2 Construction LLC delivers concrete solutions that stand the test of time. Whether you're planning a new driveway, patio, commercial foundation, or decorative concrete feature, our certified team brings precision craftsmanship to every pour.
1
Driveways & Parking Areas
Durable concrete driveways designed for Texas weather and heavy use. We handle site preparation, proper grading, reinforcement, and finishing for residential and commercial properties.
  • Standard and decorative concrete driveways
  • Commercial parking lot installation
  • Repair and resurfacing services
2
Foundations & Slabs
Expert foundation work for homes, pole barns, metal buildings, and commercial structures. Precision grading and pouring ensure structural integrity for decades.
  • Residential home foundations
  • Commercial building slabs
  • Garage and workshop foundations
3
Patios & Outdoor Living
Transform your outdoor space with beautiful stamped, stained, or traditional concrete patios. Perfect for entertaining, relaxation, and increasing property value.
  • Stamped concrete patterns and textures
  • Stained and colored concrete finishes
  • Pool decks and outdoor kitchens
4
Repair & Restoration
Cracked, settled, or damaged concrete doesn't always need replacement. Our repair specialists can restore and reinforce existing concrete structures cost-effectively.
  • Foundation crack repair and stabilization
  • Concrete resurfacing and overlays
  • Sidewalk and driveway leveling
Certified Aerobic Wastewater System Installation & Service
G2 Construction LLC is your certified expert for aerobic wastewater system installation throughout Walker County. These advanced septic systems provide superior wastewater treatment for properties where traditional septic systems aren't suitable, meeting all Texas Commission on Environmental Quality (TCEQ) requirements.
Our official Texas certifications for septic system work include: OSSF Installer OS0034180 | Maintenance Provider MP0002236.
From initial site assessment and system design through permitting, installation, and ongoing maintenance, we guide you through every step of the process. Our team stays current with all state regulations and manufacturer specifications to ensure your system operates efficiently and reliably for years to come.
Whether you're building a new home, replacing an aging septic system, or need emergency repairs, our certified technicians deliver prompt, professional service backed by our elite guarantee.
01
Site Assessment & Design
Comprehensive soil testing and property evaluation to determine the optimal system configuration for your land and household needs.
02
Permitting & Approval
We handle all paperwork, permits, and coordination with local authorities and TCEQ to ensure full compliance with Texas regulations.
03
Professional Installation
Expert installation using quality components and proven techniques. Every system is tested thoroughly before final inspection.
04
Maintenance & Support
Ongoing maintenance plans and rapid-response repair services to keep your aerobic system functioning at peak performance.

Why Choose Aerobic Systems? Aerobic wastewater treatment systems use oxygen to break down waste more efficiently than traditional septic tanks, producing cleaner effluent and working well in challenging soil conditions. They're ideal for properties with poor drainage, high water tables, or limited space for drain fields.
Custom Home Building & General Contracting
Beyond concrete and septic systems, G2 Construction LLC offers complete custom home building and general contracting services throughout Walker County. We partner with homeowners and property developers to bring visions to life—from initial site work through final finishing touches.
Complete Construction Services
  • Custom residential home construction
  • Site preparation and land clearing
  • Grading and drainage solutions
  • Utility coordination and installation
  • Pole barns and metal buildings
  • Additions and remodeling projects
Why Build With G2?
Our four-generation expertise means we understand construction from the ground up—literally. We coordinate all trades, maintain strict timelines, and communicate transparently throughout your project.
As both concrete specialists and general contractors, we ensure your foundation is perfect before a single wall goes up. This integrated approach saves time, reduces costs, and delivers superior quality.
Your Trusted Local Contractor Across East Texas
Huntsville, TX
As our home base, we have unparalleled local knowledge of Huntsville's unique soil conditions, building permits, and specific regulations. Expect seamless projects with no travel fees.
New Waverly, TX
Our expertise extends to New Waverly, ensuring your project meets all local standards. We understand the area's climate considerations and provide tailored solutions within our core service radius, with no travel fees.
Riverside, TX
Serving Riverside, we bring in-depth knowledge of local environmental factors and regulatory requirements. Our team delivers reliable construction, offering competitive advantages and no travel fees for projects here.
Trinity, TX
In Trinity, our deep understanding of area-specific challenges means your project benefits from efficient planning and execution. We navigate local nuances to ensure a smooth build, with no travel fees.
Willis, TX
We proudly serve Willis with comprehensive general contracting. Our team is adept at handling permits and regulations specific to Willis, guaranteeing compliance and quality, all within our no-fee service radius.
These 5 cities form our primary service area, typically within a 30-40 mile radius of Huntsville, TX, where all projects are completed with no additional travel fees. Our local roots provide invaluable insights into regional building requirements, unique soil conditions, and climate considerations, ensuring your project is built right, the first time.
Ready to Start Your Project? Contact G2 Construction Today
Experience the difference that four generations of craftsmanship and 24+ years of local expertise make. Whether you need concrete work, aerobic system installation, or a complete custom home, G2 Construction LLC delivers quality results on time and within budget.
Contact Principal/CEO Nate Grigsby today for your free consultation and estimate. We'll discuss your project needs, answer your questions, and provide honest, expert recommendations backed by our elite service guarantee.
Licensed & Certified: OSSF Installer OS0034180 | Maintenance Provider MP0002236
Call Direct
936-714-8163
Speak with Nate—fast response guaranteed
Email Us
nategrigsby2017@gmail.com
Detailed quotes and project inquiries welcome
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