Septic inspectors and radon pros in Cass County, MN
Get free quotes from up to 3 licensed pros
14 MPCA-licensed SSTS inspector businesses and 1 MDH-licensed radon businesses list an address in Cass County. Many work across counties, and most radon pros list a statewide service area.
Minnesota has no single statewide septic-at-sale rule, but many counties and cities require an SSTS compliance inspection at property transfer by local ordinance (MPCA local SSTS programs). Ask the county or city SSTS office whether a transfer inspection applies. Inspections must be done by an MPCA-licensed SSTS inspector business.
SSTS (septic) inspectors (14)
✔ MPCA SSTS licensed InspectorIntermediate InspectorAdvanced Inspector
Northland Septic Maintenance Inc
★★★★★5.0 (4) Google4207 16th St NW, Backus, MN 56435
Certified staff: Brett C Timmons, Jeremiah J McMillen, Rick J Smith, Scott A Rude, Tanner J Smith
Also licensed: Designer, Installer, Maintainer, Service provider, Pipelayer
License L549, expires 2026-12-23 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Maintainer, Service provider, Pipelayer
License L549, expires 2026-12-23 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Top Notch Septic LLC
303 King St N, Backus, MN 56435
Certified staff: Nickolas D Swenson
Also licensed: Designer, Installer, Pipelayer
License L4465, expires 2027-08-19 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L4465, expires 2027-08-19 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
W C Peterson Excavating LLC
1115 County Rd 8 NE, Federal Dam, MN 56641
☎ (218) 654-5282
☎ (218) 654-5282
Certified staff: Gerald J Bader Jr, Ross C Peterson
Also licensed: Designer, Installer, Service provider, Pipelayer
License L417, expires 2028-08-25 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Service provider, Pipelayer
License L417, expires 2028-08-25 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Shafer Excavating
3109 State Hwy 371 NW, Hackensack, MN 56452
Certified staff: Devon Shafer Jr
Also licensed: Designer, Installer, Pipelayer
License L1712, expires 2028-04-22 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L1712, expires 2028-04-22 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed InspectorIntermediate InspectorAdvanced Inspector
Slick Nick Septic LLC
★★★★★5.0 (2) Google3342 County 45 NW, Hackensack, MN 56452
Certified staff: Aaron P Finke, Nick Neuman
Also licensed: Designer, Service provider
License L4307, expires 2027-06-10 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Service provider
License L4307, expires 2027-06-10 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
SCC LLC
PO Box 46, Longville, MN 56655
Certified staff: William L Stone
Also licensed: Designer, Installer, Pipelayer
License L4245, expires 2029-06-28 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L4245, expires 2029-06-28 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
PHB Excavating LLC
★★★★★5.0 (1) Google11865 79th Ave SW, Motley, MN 56466
Certified staff: Philip H Bjerga
Also licensed: Designer, Installer, Pipelayer
License L2053, expires 2027-05-11 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L2053, expires 2027-05-11 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Tri-County Septic Inspections
10851 65th Ave SW, Motley, MN 56466
Certified staff: Gregory H Kossan
License L2776, expires 2027-09-13 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
License L2776, expires 2027-09-13 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Cass County Construction Corp
★★★★★4.9 (9) GooglePO Box 74, Outing, MN 56662
Certified staff: Andrew D Switzer, Daniel C Switzer
Also licensed: Designer, Installer, Pipelayer
License L2205, expires 2028-04-02 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L2205, expires 2028-04-02 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
T&S Excavating
2308 91st St SW, Pequot Lakes, MN 56472
☎ (218) 568-8808
☎ (218) 568-8808
Certified staff: Terry W Stumvoll
License L2314, expires 2026-10-28 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
License L2314, expires 2026-10-28 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
April Thompson
1365 12th St SW, Pine River, MN 56474
Certified staff: April D Thompson
License L4433, expires 2027-04-04 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
License L4433, expires 2027-04-04 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Al Nystrom Construction LLC
PO Box 354, Remer, MN 56672
Certified staff: Alan C Nystrom, Eli J Nystrom
Also licensed: Designer, Installer, Pipelayer
License L1676, expires 2027-02-03 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer, Installer, Pipelayer
License L1676, expires 2027-02-03 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Aletto Onsite/Design
8312 Sautbine Rd NW, Walker, MN 56484
Certified staff: Edward C Aletto
Also licensed: Designer
License L808, expires 2027-06-14 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer
License L808, expires 2027-06-14 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
✔ MPCA SSTS licensed Inspector
Winter Septic LLC
PO Box 51, Walker, MN 56484
Certified staff: Scott E Winter
Also licensed: Designer
License L4268, expires 2026-11-01 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Also licensed: Designer
License L4268, expires 2026-11-01 · bonded, insured
Source: MPCA SSTS, retrieved 2026-10-12 · Claim/correct/remove
Radon testing and mitigation (1)
✔ MDH radon license Measurement
Great North Home Inspection
1969 Peninsula Rd NE PO Box 54, Outing, MN 56662
☎ (763) 229-4417
☎ (763) 229-4417
1 MDH-licensed professional
- Scott Euerle (RMEA-00360)
Service area (per MDH): Statewide
Source: MDH Radon Service Providers, retrieved 2026-10-12 · Claim/correct/remove
Source: MDH Radon Service Providers, retrieved 2026-10-12 · Claim/correct/remove
Data last verified 2026-10-12 against MPCA's SSTS licensed-business data and MDH's radon service provider list.
Neighboring counties
Aitkin County · Beltrami County · Crow Wing County · Hubbard County · Itasca County · Morrison County · Todd County · Wadena County
Guides
Septic (SSTS) at sale · Radon at sale · Truth-in-Sale of Housing