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Altra Onsite Services LLC

✓ MPCA licensedSeptic (SSTS) inspection

Princeton, MN · Sherburne County · 5.0 (5) Google

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Or call (320) 626-4422

Google rating

5.0 from 5 reviews · Reviews on Google

Highly recommend Altra Onsite Services! We were referred by someone else who spoke highly of Eric. Eric is very knowledgeable; he guided us through our options and was quick to respond with any questions we had regarding our septic system. Besides being professional he was very kind and great…

Eric is knowledgeable, competent, and a great value. he was a wealth of information. easy to work with. highly recommended.

Ratings and reviews from Google. MN Home Sale Pros doesn't verify them, and they don't affect listing order. Google rating as of Oct 18, 2026.

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Licence / certification

  • MPCA SSTS licence L4487: Inspector, Intermediate Inspector, Advanced Inspector (exp. 2027-02-20)
  • Also licensed: Designer, Installer, Service provider, Pipelayer
  • bonded · insured

People on the record

  • Eric W Otte (certified staff)

Source: MPCA list, retrieved 2026-10-12.

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