Licensed Septic Companies in Washtenaw County, MI
7 septic companies serve Washtenaw County, Michigan, and 5 of them hold a Michigan septic license or certification matched to the Michigan Department of Environment, Great Lakes, and Energy (EGLE) list (data as of October 2026).
Septic services in Washtenaw County
Guides: Septic tank pumping · Septic system installation · Septic inspection · Septic repair · Drain field repair · Installation cost · Pumping cost
7 septic companies in Washtenaw County
Willis 2
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Jim Kovalak Excavating Inc
10262 Willow Road, Willis, MI 48191
- Licensed: Michigan EGLE Licensed Septage Hauler · #SH-1329 (Michigan Department of Environment, Great Lakes, and Energy (EGLE), verify)
Per state license: Pumping
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Jim Kovalak Excavating Inc
10262 Willow Rd, Willis, MI 48191
From their website: Pumping · Installation · Inspection · Repair · Drain field · Risers & lids
Ann Arbor 1
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Throne Labs Inc
4571 Washtenaw Ave Ste A, Ann Arbor, MI 48108
- Licensed: Michigan EGLE Licensed Septage Hauler · #SH-1818 (Michigan Department of Environment, Great Lakes, and Energy (EGLE), verify)
Per state license: Pumping
Chelsea 1
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Bollinger Sanitation & Excavating Inc
6950 Werkner Rd, Chelsea, MI 48118
- Licensed: Michigan EGLE Licensed Septage Hauler · #SH-1604 (Michigan Department of Environment, Great Lakes, and Energy (EGLE), verify)
Per state license: Pumping
Northville 1
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LaChance Brothers Excavating LLC
7343 Angle Road, Northville, MI 48168
- Licensed: Michigan EGLE Licensed Septage Hauler · #SH-1698 (Michigan Department of Environment, Great Lakes, and Energy (EGLE), verify)
Per state license: Pumping
Saint Joseph 1
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Redbox+ of Metro Detroit North
3228 Estates Ct S, Saint Joseph, MI 49085
- Licensed: Michigan EGLE Licensed Septage Hauler · #SH-1733 (Michigan Department of Environment, Great Lakes, and Energy (EGLE), verify)
Per state license: Pumping
Ypsilanti 1
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Jack Spack Septic
7415 Carpenter Rd, Ypsilanti, MI 48197
From their website: Pumping · Installation · Repair · Risers & lids · Perc testing
No listings match those filters.
Septic licensing in Michigan
Michigan licenses septage haulers statewide; septic installers are licensed by county health departments, and Michigan has no statewide sanitary code.
Permits for new systems, replacements and most repairs are issued locally. Ask the contractor which office handles Washtenaw County and whether the permit fee is in their quote.
Michigan septic licensing: agencies, license types and how to check a license →
Septic companies in Washtenaw County: common questions
How many licensed septic companies are in Washtenaw County, MI?
7 septic companies serve Washtenaw County, Michigan, and 5 of them hold a Michigan septic license or certification matched to the Michigan Department of Environment, Great Lakes, and Energy (EGLE) 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 Michigan?
Michigan licenses septage haulers statewide; septic installers are licensed by county health departments, and Michigan has no statewide sanitary code. The licensing body is the Michigan EGLE Septage Waste Program (pumpers); county health departments (installers).
Which companies pump septic tanks in Washtenaw County?
7 of the 7 listings in Washtenaw County 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 Washtenaw County?
2 listings in Washtenaw County install septic systems. New systems and replacements need a permit, so ask each installer to handle the permit and to show their Michigan license.
How do I check a septic contractor's license in Michigan?
Use the Michigan EGLE Septage Waste Program (pumpers); county health departments (installers)'s lookup (https://www.michigan.gov/egle) and search the contractor's name or license number. Our guide to checking a septic license walks through it.