Andersen Sewer Service


  • Septic Pumping
  • Line Inspections
  • Grease Traps
  • Drainfields
  • Line Locating
  • Riser & Baffle Installations
  • Sewer Line Repairs

We Offer Free Estimates!

Feel free to call us with any of your septic questions or concerns

Fully Licensed & Insured

DEQ Pumper License #723

We are a licensed Yellowstone County septic installer. 

Voted Best Sewer Service in Yellowstone County in 2019!


About Us


We are a family owned business.

Andersen Sewer Service has been providing professional pumping services since 1984. We are one of the leading septic companies in Billings, MT.  We service most of Yellowstone County to include: Billings, Worden, Huntley, Ballentine, Shepherd, Lockwood and areas of Laurel. 


We take pride in what we do!

We respect your property and are pet friendly.  We backflush to make sure the job is done right the first time. If your need is outside our scope of service, we will direct you to a professional that we trust will take care of you.  Customer satisfaction is our number one priority!

Payment Methods

Cash or Check

Contact Us

Andersen Sewer Service

PO Box 50010

Billings, MT  59105

Give us a call anytime!

(406) 245-7593

Send us an email

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