Roofing Contractor Red Flags in Minnesota: 11 Warning Signs

Eleven warning signs that should make a Twin Cities homeowner walk away from a roofing quote. Some of these are illegal in Minnesota. Some are signs of a contractor who will not be reachable in 18 months when you need warranty service. All of them are reasons to keep shopping.

I am Noah Bergland, co-owner of Owl Roofing in Shoreview.

The 11 red flags

1. Door-to-door storm chaser. Showed up after a hail event, knocking. Minnesota Statute § 325E.66 prohibits roofing contractors from negotiating insurance claims on a homeowner behalf. Decline.

2. Offers to waive your deductible. Illegal in Minnesota.

3. Demands cash-only or pay-in-full upfront. Reasonable progress is 10–20% deposit, 40–50% at material delivery, balance at completion.

4. No physical address or truck branding. Will not be reachable for warranty service.

5. No Minnesota DLI license. Verify at dli.mn.gov. License is required by Minnesota Statute § 326B.805.

6. Sign-today discount pressure. Real contractors with full schedules do not pressure same-day signing.

7. Refuses to itemize the contract. Vague “includes everything needed” language hides scope gaps.

8. Quote is 30%+ below other reasonable bids. Either the contractor is doing inadequate work, or there are scope gaps that will become change orders mid-project.

9. No manufacturer installer certification. Manufacturers (GAF, Hardie, LP, DaVinci, Brava) require certified installers for extended warranties. Without certification, a $100K reroof has only the contractor warranty, not the manufacturer extended.

10. No workmanship warranty in writing. Industry standard is 5–10 years. Less than 2 years is a yellow flag.

11. Cannot provide three references on similar projects. Three references on the same product class within 24 months is a reasonable ask.

“He communicated clearly, showed attention to detail, and delivered high-quality work.”

— Brian E., Verified BBB review

What Owl Roofing Customers Actually Say

Real, verified Google reviews from real customers Owl Roofing maintains a 5.0 Google rating with 30+ five-star reviews.

Noah is the real deal. After our insurance denied our roof claim and the first roofer walked away, Noah showed up the next day and said he thought he could get us a new roof. He delivered. He got us a roof covered by insurance after it had already been declined. We came up with a nickname for him: “The Roof Whisperer.”

— Tyler Moberg, verified Google review

I am an Independent Insurance Agency owner and have worked with Noah on several roof projects. The homeowners have been extremely satisfied with the quality of work and craftsmanship Noah and his crews have provided. From filing the claim to replacing the roof and cleaning up the job site, Noah and his crew are the best!

— Fred Zappa, Independent Insurance Agency Owner

We used Owl Roofing for a repair on our roof in Brooklyn Park, and I was blown away by how good they were. Every member of the team communicated well about the process. Their price transparency was super helpful. They got the work done very fast, and the team was professional and very kind.

— Matt Brown, Brooklyn Park (verified Google review)

Noah and his team are outstanding! His clear communication, professionalism, and workmanship are top-notch. I recommend Owl Roofing to all my clients, friends, and family.

— Christine Westlund, verified Google review

It didn’t feel like dealing with a big company — it felt like working with people who actually care about the homes and community in the North Oaks and Shoreview area. Great people, great communication, and really solid work.

— Cody Warren, verified Google review

Frequently asked questions

What are the biggest roofing scams in Minnesota?

Door-to-door storm chasers offering to negotiate insurance claims (illegal under § 325E.66) and contractors offering to waive deductibles (also illegal). Both should end the conversation.

How do I verify a Twin Cities roofing contractor?

Check Minnesota DLI license at dli.mn.gov, BBB Accreditation, manufacturer installer-certification status for the specific product, and three references on similar same-product installs.

What is a fair workmanship warranty?

Industry standard 5–10 years. Owl Roofing offers 10 years.

Where to start

Request a free reroof estimate. For more, see 12 questions to ask a Twin Cities roofer, premium exteriors guide.