---
title: "Spectrum Research, Inc., Duluth, MN | MN Home Sale Pros"
description: "Spectrum Research, Inc.: Septic (SSTS) inspection in Duluth, MN. Licence details, contact and quotes."
canonical: https://mnhomesalepros.com/firms/spectrum-research-inc-sl2215/
---

# Spectrum Research, Inc.

* Septic (SSTS) inspection
* Duluth, MN (Saint Louis County)
* Phone: (218) 525-5322
* Email: spectrumsoils@aol.com
* Address: 211 Mygatt Ave, Duluth, MN 55803
* Google rating: 5.0 from 1 reviews (as of Oct 18, 2026)
* MPCA SSTS licence L2215: Inspector, Intermediate Inspector, Advanced Inspector (exp. 2027-05-29)
* Also licensed: Designer, Service provider
* bonded · insured

Get a quote: https://mnhomesalepros.com/get-quotes/?firm=SL2215

Source: https://services.pca.state.mn.us/api/v1/ssts/licensed-businesses?format=json, retrieved 2026-10-12. Claim / correct: https://mnhomesalepros.com/list-your-business/?id=SL2215