How to Choose a Roofing Contractor in Minnesota

The week after a hailstorm, your doorbell becomes a problem. Knowing how to choose a roofing contractor in Minnesota mostly comes down to knowing which questions make a good contractor comfortable and a bad one squirm.

A roof is one of the largest single purchases a homeowner makes, and unlike a kitchen remodel, you cannot see most of the work once it is finished. That asymmetry is exactly why the vetting matters. Here is what to check, in the order that saves you the most trouble.

Start With the License, Not the Estimate

Minnesota requires residential building contractors, including most roofers, to hold a state license. You can look up any contractor by name or license number through the Minnesota Department of Labor and Industry, and it takes about ninety seconds.

What you are checking for:

• The license is active, not expired or suspended.
• The name on the license matches the name on the contract and the truck.
• There is no enforcement history attached to it.

That last one matters more than people expect. A company can be perfectly licensed and still have a paper trail. If the business name is brand new but the crew has been “doing this twenty years,” ask what the old company was called and look that one up too.

Confirm Insurance the Right Way

Every contractor will tell you they are insured. Ask for the certificate of insurance to be sent directly from their insurance agent, not forwarded from the contractor’s own inbox. A real agent takes thirty seconds to do this and a fake certificate cannot survive it.

You want two things on that certificate: general liability, and workers compensation. Workers comp is the one homeowners skip and the one that actually protects you. If an uninsured crew member falls off your roof, the claim can land on your homeowners policy.

Know the Storm Chaser Playbook

After a hail or wind event, out of state crews follow the storm into Minnesota, work fast, and leave. Some are legitimate. Many are not, and the tells are consistent:

• They found the damage before you did. An unsolicited knock followed by an urgent inspection is a sales script, not a diagnosis.
• They want to handle your insurance claim for you. A contractor can meet your adjuster on the roof. A contractor negotiating the claim on your behalf is a different thing, and in most cases it is not something a roofer is licensed to do.
• They offer to cover, waive, absorb, or “eat” your deductible. This is illegal in Minnesota under Minnesota Statute 325E.66. A contractor cannot legally pay, rebate, or waive your insurance deductible, and one who offers is telling you exactly how they treat rules. Assume the cost comes back somewhere else in the job.
• They need a signature today. Real availability is measured in weeks, not hours.
• The contract is a “letter of intent” or an “authorization to inspect.” Read every line. Some of these documents are contingency agreements that lock you into the contractor if your claim is approved.

None of this means a company that knocks is automatically bad. It means the burden of proof is higher. Ask where their office is, how long they have worked in your city, and who services the warranty in three years.

The Warranty Questions That Actually Matter

There are two separate warranties on a roof and people conflate them constantly.

The manufacturer warranty covers the shingles themselves against defects. The workmanship warranty covers the installation, which is where the overwhelming majority of real roof failures come from. Shingles rarely fail on their own. Flashing, ventilation, fastener placement, and valley detail are what leak.

Ask directly:

1. How long is the workmanship warranty, and is it written into the contract?
2. Is it transferable if I sell the house?
3. Who honors it if your company changes names or ownership?
4. What voids it?

Whoever you hire, the number matters less than whether the number appears in the contract you sign.

Ask About Ventilation and Decking Before Anyone Quotes

A quote that does not mention attic ventilation or the condition of your roof decking is a quote for a shingle swap, not a roof.

Minnesota roofs fail from the inside as often as the outside. Warm attic air meeting a cold roof deck is what builds ice dams, and a roof installed over inadequate ventilation will fail early no matter how good the shingles are. Decking is the other unknown: nobody can tell you how much rotted sheathing is under there until the tear off, so ask how replacement decking is priced and how that change order gets approved before it happens.

Getting this right is also most of what separates a fair quote from a lowball one. Our breakdown of roof replacement cost in Minnesota walks through how the number is actually built.

If You Have Solar, the Contractor List Gets Shorter

Panels on the roof change the job. The array has to come off, get stored safely, and go back on with the electrical reconnected and recommissioned. A roofer who has never done it will either refuse the job or, worse, take it and improvise.

Ask whether they perform the detach and reset themselves or subcontract it, who is responsible if a panel is damaged in handling, and who re-permits the electrical. If the answer is vague, that is your answer. We wrote more about how the two trades interact in do solar panels damage your roof, and about the sequencing question in roof replacement with solar panels.

Get Three Quotes, and Compare the Right Things

Three is the number. Two gives you no baseline and five turns into a full time job.

When they come back, do not line up the bottom line numbers. Line up:

• Tear off versus layover, and how many existing layers
• Underlayment type, especially ice and water shield coverage at eaves and valleys
• Ventilation work included
• Decking replacement price per sheet and how it is authorized
• Flashing: reused or replaced
• Cleanup, dumpster, and magnet sweep
• Payment schedule

If one quote is dramatically lower, it is almost always missing a line item, not finding efficiency. Ask which one.

Frequently Asked Questions

Do roofing contractors need a license in Minnesota?
Yes. Residential roofing generally falls under the state residential building contractor license, administered by the Minnesota Department of Labor and Industry. You can verify any license online before you sign anything.

Can a roofing contractor waive my insurance deductible in Minnesota?
No. Minnesota Statute 325E.66 prohibits a contractor from paying, waiving, or rebating an insurance deductible on a residential roof claim. If a contractor offers, treat it as a serious red flag.

How many roofing estimates should I get?
Three is a good target. Compare scope line by line rather than comparing final prices, because the gap between quotes is almost always a difference in what is included.

What questions should I ask a roofing contractor?
Ask about license and insurance verification, the length and transferability of the workmanship warranty, how decking replacement is priced and approved, what ventilation work is included, and who performs the work if you have solar panels.

Should I hire the contractor who knocked on my door after a storm?
Not automatically, and not the same day. Verify the license, confirm a local office and phone number, read any document before signing, and get at least two other quotes. Legitimate companies are comfortable waiting a week.

The Short Version

Choosing a roofing contractor in Minnesota is less about finding the best salesperson and more about finding the company that will still be here to honor the workmanship warranty. Verify the license, insist on insurance direct from the agent, read the contract before you sign it, and never work with anyone who offers to make your deductible disappear.

If you want a straight assessment of your roof with no pressure attached, Centauri Systems works across the Twin Cities metro on roofing, exteriors, and solar. Reach out for an inspection and an honest answer about whether you need a full replacement or a repair.