Licensed Septic Companies in Duluth, MN
30 septic companies serve Duluth, Minnesota, and 30 of them hold a Minnesota septic license or certification matched to the Minnesota Pollution Control Agency list (data as of October 2026).
Septic services in Duluth
Guides: Septic tank pumping · Septic system installation · Septic inspection · Aerobic septic systems · Installation cost · Pumping cost
30 septic companies in Duluth
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A & T Excavation
5983 Taft Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Service Provider) · #L3156 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Aerobic systems
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Big Lake Contracting LLC
PO Box 3160, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3905 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Brent's Septic Service, LLC
5381 Samuelson Rd, Duluth, MN 55811 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2833 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Butch Seeley Excavating LLC
5727 Arnold Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Designer) · #L916 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Perc testing
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Cedar Drive Excavating Inc
6277 Jean Duluth Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1559 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Contour Inc.
5816 Ryan Rd, Duluth, MN 55804 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4299 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Digger DJ, Inc.
5776 Rice Lake Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Inspector, Designer) · #L1613 (Minnesota Pollution Control Agency, verify)
Per state license: Installation · Inspection · Perc testing
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Dirt Work Specialists, LLC
4881 W Pioneer Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2918 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Duluth Sewer & Septic Corporation
2980 W Lookout Rd, Duluth, MN 55804 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4473 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Eagle Lake Excavating LLC
6029 Eagle Lake Road, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2340 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Gene's Septic
4759 Lavaque Bypass Rd, Duluth, MN 55811 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3364 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Great Lakes Excavating, Inc.
4788 Rice Lake Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L2937 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Greg Kunst Construction Inc
3339 Oak St, Duluth, MN 55804 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1821 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Hedberg Excavating LLC
6060 Jean Duluth Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L993 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Holman Contracting Incorporated
4862 W Pioneer Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1669 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Jeff Crosby
1608 Middle Rd, Duluth, MN 55811 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Inspector, Designer) · #L2928 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Perc testing
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Levine & Son Inc
3453 Zimmerman Rd, Duluth, MN 55804 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1064 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Midway Sewer Service
6230 Grand Ave, Duluth, MN 55807 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L4520 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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North Shore Sanitary
8815 East Superior St, Duluth, MN 55804 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L1783 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Northern Environmental Solutions LLC
3867 Sandberg Rd, Duluth, MN 55810 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer, Maintainer, Inspector, Designer) · #L4072 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping · Installation · Inspection · Perc testing
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Northern Lakes Septic LLC
5327 Ugstad Junction Rd, Duluth, MN 55810 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector) · #L4463 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems
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Peterson Excavating and Landscaping LLC
5797 Kehtel Rd, Duluth, MN 55811 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L3208 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Peterson Septic Pumping, LLC
4243 Fayre Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L3260 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Premier Companies, Inc.
132 N 34th Ave W, Duluth, MN 55807 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4322 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Semper Fi Excavation LLC
3020 E Superior St, Duluth, MN 55812 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4526 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Spectrum Research, Inc.
211 Mygatt Ave, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L2215 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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Steve's Septic Pumping Service Inc
6290 Lavaque Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Maintainer) · #L2987 (Minnesota Pollution Control Agency, verify)
Per state license: Pumping
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Superior Construction Company Inc of Duluth Minnesota
1804 Tyrol St, Duluth, MN 55811 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L1195 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
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Swampthing Environmental LLC
4057 Emerson Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Service Provider, Inspector, Designer) · #L2142 (Minnesota Pollution Control Agency, verify)
Per state license: Inspection · Aerobic systems · Perc testing
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Viele Contracting Inc.
5064 Reid Rd, Duluth, MN 55803 · St. Louis County
- Licensed: Minnesota MPCA Licensed SSTS (Septic) Business (Installer) · #L4314 (Minnesota Pollution Control Agency, verify)
Per state license: Installation
No listings match those filters.
Septic licensing in Minnesota
Minnesota licenses septic (SSTS) businesses and certifies the individuals who work for them. The MPCA search shows each business's license, insurance and bond status. The Minnesota Pollution Control Agency (SSTS program) issues these credentials: SSTS business license (installer, maintainer, service provider, designer, inspector); Individual SSTS certifications.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Duluth and whether the permit fee is in their quote.
Minnesota septic licensing: agencies, license types and how to check a license →
Septic companies in Duluth: common questions
How many licensed septic companies are in Duluth, MN?
30 septic companies serve Duluth, Minnesota, and 30 of them hold a Minnesota septic license or certification matched to the Minnesota Pollution Control Agency list (data as of October 2026). Each license badge on this page names the agency and links to its lookup so you can confirm it.
Who licenses septic contractors in Minnesota?
Minnesota licenses septic (SSTS) businesses and certifies the individuals who work for them. The MPCA search shows each business's license, insurance and bond status. The licensing body is the Minnesota Pollution Control Agency (SSTS program).
Which companies pump septic tanks in Duluth?
7 of the 30 listings in Duluth offer septic tank pumping, either on their own website or under a state pumper license. Use the service filter above to show only those companies.
Which companies install septic systems in Duluth?
20 listings in Duluth install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Minnesota license.
How do I check a septic contractor's license in Minnesota?
Use the Minnesota Pollution Control Agency (SSTS program)'s lookup (https://webapp.pca.state.mn.us/ssts/) and search the contractor's name or license number. Our guide to checking a septic license walks through it.