A3 Underground Construction

At A3 Underground Construction, we are a fully licensed and bonded excavation contractor with over 30 years of industry experience. Our team of experts specializes in providing a wide range of services, including septic system installation and repair, underground utility trenching, drainage solutions, grading, excavation, and demolition services. Our primary goal is to provide our customers with exceptional workmanship, excellent customer service, and competitive prices.

Our Services

We offer a diverse range of services to meet the needs of our residential, agricultural, commercial, and industrial clients. Our services include:

• Standard Septic System Installation & Replacement: We install and replace standard septic systems for residential and commercial properties.
• Complex Septic System Installation & Replacement: We install and replace complex septic systems, including aerobic and nitrogen reduction systems, for residential and commercial properties.
• Septic Tank Installation: We install new septic tanks for residential and commercial properties.
• Septic Tank Repair: We repair and maintain existing septic tanks for residential and commercial properties.
• Grading & Excavating: We provide grading and excavation services for residential, commercial, and agricultural properties.
• Utility Trenching: We install and repair underground utility lines for water, sewer, storm, gas, electric, phone, and cable.
• Drainage Solutions: We design and install drainage systems for residential, commercial, and agricultural properties.
• Site Evaluation and Planning Services: We evaluate and plan sites for septic system installation, residential and commercial developments.

Why Choose A3 Underground Construction?

At A3 Underground Construction, we pride ourselves on our:

• Over 30 years of industry experience
• Fully licensed and bonded excavation contractor
• Certified complex septic system installer
• Excellent customer service
• Competitive pricing
• High-quality workmanship
• Compliance with relevant building codes and permitting regulations

Recent Projects

We have successfully completed numerous septic system installations, repairs, and maintenance services throughout central and southwest Idaho. Some of our recent projects include:

• Septic system installation in Council, Idaho
• Septic tank replacement in Midvale, Idaho
• Gravel walkway installation in Cambridge, Idaho

Get a Personalized Consultation and Competitive Quote

Contact us today to speak with one of our knowledgeable staff members, who can answer any questions you may have. We offer onsite estimates, personalized consultations, and competitive bids throughout Boise, Caldwell, Nampa, McCall, Weiser, and surrounding areas.