How to Hire a Sewer Contractor in Minnesota

Who licenses sewer contractors in Minnesota

The Minnesota Department of Labor and Industry licenses plumbing contractors, master plumbers and journeyworkers, and every plumbing contractor keeps a bond and liability insurance on file with the department. Sewer and water work gets its own path. Under Minnesota Statutes section 326B.46, a company may install building sewers and water services without a plumbing contractor license if it posts a bond of at least twenty-five thousand dollars with the state, carries liability coverage from a Minnesota-licensed insurer, and its installers have completed the department's pipe-laying training. These firms are called sewer and water contractors, and most lateral work outside the Twin Cities is theirs. The central cities add a layer: Saint Paul requires a Licensed House Sewer Contractor registration with Public Works plus a city business license, and Minneapolis keeps its own approved installer list. Both the plumbing license and the sewer and water bond show up in the department's License Lookup. Ask for the city registration too in Minneapolis or Saint Paul.

Permits and inspections

In Saint Paul the Sewer Utility Division of Public Works issues four permit types through the PAULIE portal: construction, repair, abandonment and a dedicated cured-in-place permit for lining within property lines, each inspected against city private connection standards. Minneapolis issues the sewer permit through Development Services, with a separate obstruction permit from Public Works for street work. Rochester and Duluth follow the same pattern, building division for the sewer permit and engineering for the right-of-way cut. Inspectors view the pipe in the open trench, and a lined pipe needs a post-cure video attached to the permit. Gopher State One Call requires two business days' notice, and Saint Paul warns that private laterals are not marked, so potholing may be needed. The contractor pulls the permit.

Who owns the pipe under the street

Minnesota's two largest cities draw the line at the main. Minneapolis treats the entire sewer service, including the stretch under the street and the wye on the city pipe, as the owner's, and Saint Paul says the same of its private sewer service. Both soften the blow with financing: Minneapolis offers a repair agreement under which the city hires an approved plumber and assesses the cost over as long as twenty years, and Saint Paul runs a twenty-year assessment loan plus a deferred program for low-income households. Many suburbs follow the same model, but some maintain the piece in the right-of-way, so read the city sewer ordinance before paying for street work. Minnesota has no statewide point-of-sale sewer inspection.

What is under Minnesota, and why it shapes the bid

Frost is the first fact of a Minnesota bid. Design frost depth runs five to six feet in the Twin Cities and deeper toward Duluth, so laterals are buried deep and trenches are wide. Saint Paul sits on St. Peter sandstone, and parts of the city drain through tunneled sandstone sewers far below grade, which is why the city has a special acknowledgment for repairs over those lines and why some laterals there are lined rather than dug. Minneapolis and the first-ring suburbs have clay-loam till with a seasonally high water table. Homes from the 1900s through the 1950s carry vitrified clay and cast iron; Orangeburg shows up in 1950s tracts in Bloomington; PVC arrived in the 1970s. Boulevard tree roots are the most common failure.

For the lining methods themselves, the Sewer Pipe Lining Minnesota pipe lining guide goes into what fails in the ground here and which method fits.

What a Minnesota sewer bid must include

• A Minnesota plumbing contractor license or proof of the state sewer and water installer bond under section 326B.46, plus any Minneapolis or Saint Paul registration.
• The permit type, such as a Saint Paul Sewer Repair or Cured-In-Place permit through PAULIE, and the street obstruction permit if any.
• Depth assumptions below Minnesota frost, with shoring and spoil priced for a trench that may reach seven feet.
• A Gopher State One Call ticket number and whether potholing to find the private lateral is included.
• The post-work video and inspection sign-off, and whether city financing is in play so the bid matches its paperwork.

The full checklist, for any state, is on what a sewer bid should include.

Red flags in Minnesota

• A sewer and water contractor who cannot show the state bond or training certificate Minnesota requires.
• A Saint Paul lining job quoted without the city's Cured-In-Place permit.
• A bid that leaves the street segment to the city when Minneapolis and Saint Paul assign it to the owner.
• A trench priced at four feet where frost sits at six.

Finding a sewer contractor in Minnesota

Minnesota does not yet have a verified contractor listed on this site, which is why the number on this page rings the national line. Call it or send the form with the property address and what the symptoms or the camera are showing, and we will locate a qualified sewer contractor near you, screen them the same way we screen every listing, and make the introduction. There is no charge for that. You can also search the CIPP Verified Installer directory yourself.

Estimates are free. Call now. (855) 804-1434

Where Minnesota property owners ask for help most

The rules above apply statewide; the communities below are the ones that generate the most questions.

Minnesota sewer contractor questions

Does a sewer contractor in Minnesota have to be a licensed plumber?

No. Minnesota law lets a company install building sewers and water services without a plumbing contractor license if it posts a twenty-five-thousand-dollar bond with the state, carries liability insurance and puts its installers through state pipe-laying training. Either credential appears in the state lookup.

Who owns the sewer under the street in Minneapolis, Minnesota?

The property owner, including the wye at the city main. Minneapolis maintains the mains only. It does offer a repair agreement under which the city hires an approved plumber and spreads the invoice over the property tax bill for up to twenty years.

What permit does a lining job need in Saint Paul, Minnesota?

Saint Paul issues a specific Cured-In-Place permit for trenchless repairs within property lines, alongside construction, repair and abandonment permits, all through the PAULIE portal. The contractor must be a Licensed House Sewer Contractor with the city, and the lined pipe is inspected to city standards.

How deep is a sewer lateral in Minnesota?

Usually six to eight feet at the house and deeper toward the main, because frost in Minnesota reaches five to six feet and the pipe must stay below it. That depth drives trench width, shoring and spoil handling, so a bid should state the depth it assumes.

Can I finance a sewer repair through my Minnesota city?

In the two big cities, yes. Minneapolis and Saint Paul both let qualifying owners assess the repair against the property over up to twenty years, and Saint Paul adds a deferred option for low-income households. Other Minnesota cities vary, so ask first.

The short version for Minnesota

Start with a camera, because a Minnesota lateral often fails at a root intrusion that lining can fix. Then call the city sewer office to confirm your responsibility runs to the main and ask about assessment financing. Verify the contractor in the Department of Labor and Industry lookup, bond or license, and ask for the city registration in Minneapolis or Saint Paul. Compare bids on depth, permit type and restoration.

Estimates are free. Call now. (855) 804-1434

Sources checked for this page: www.revisor.mn.gov/statutes/2024/cite/326B.46/subd/326B.46.6 · www.stpaul.gov/departments/public-works/sewer-utility-divisi... · stpaul.gov/departments/public-works/sewer-utility-divison/pr... · www.minneapolismn.gov/media/-www-content-assets/documents/Pr... · www2.minneapolismn.gov/media/content-assets/www2-documents/d...