Standard & Complex Septic Tank Repair & Installation Services

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Office:Contact A3 Underground, Boise, Idaho Septic Contractor    Cell:Contact A3 Underground, Boise, Idaho Septic Contractor
We Serve Customers Throughout the Boise Metropolitan Area

Boise - Nampa - Meridian - Middleton - Caldwell - McCall - New Plymouth - Midvale


A3 replaced my sewer line and water line at the same time. They were prompt, respectful, and did a thorough job. I'm very grateful for the work A3 completed for me.

Heather U., San Diego, CA Via Yelp

Highly professional, always a great job for a fair price. You can't go wrong with this company for your excavation needs.

Linda Coyle Standifer Via Facebook Review

Great company! Fast service and they answer the phone!!! Thank you !!

Cindy V., San Francisco, CA Via Yelp

They have done many jobs for me and friends Always happy with the work done!

Susan Haggard Via Facebook Review

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For fastest response, please call (208) 257-3208, (208) 630-3017

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We provide septic, grading, excavation, trenching, and drainage services throughout central and southwest Idaho, including but not limited to:

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