Buying New Construction in MN? Know Your Warranty Protections
Back to blog
Minnesota new construction warrantyMN home builder warrantyMinnesota Statutes 327Anew home warranty MNbuying a house in Minnesota

Buying New Construction in MN? Know Your Warranty Protections

M

MN Home Buyers Connection

October 25, 2026

Moving into a newly built home brings a specific kind of peace of mind. Everything is fresh, untouched, and ostensibly perfect. But homes are complex structures built by human hands, and even the best builders make mistakes. If you are buying a house in Minnesota, you are protected by state law if certain defects appear after you get the keys. However, understanding your rights is essential before you sign a purchase agreement, as detailed in the MN 1-2-10 Year Guide.

Under the provisions of Minnesota Statutes 327A, builders must provide specific statutory warranties for new construction. These protections are not a blanket insurance policy for every squeaky floorboard or scuffed wall. They are legally defined guarantees covering specific types of defects over a 1-year, 2-year, and 10-year timeline, specifically addressing issues that arise from noncompliance with building standards.

Understanding Your Minnesota New Construction Warranty

The state sets a baseline for the new home warranty MN homebuilders must provide. Even if your builder offers their own written warranty, it cannot provide less coverage than what the state statute requires. Here is exactly what the law protects.

The One-Year Warranty: Workmanship and Materials

For the first year after you take possession or occupy the home, the builder warrants that the home is free from defects caused by faulty workmanship or defective materials due to noncompliance with building standards. This covers the most visible elements of your home construction.

If your drywall develops severe cracking due to poor installation, or if exterior siding begins to warp and detach because it was fastened incorrectly, this one-year protection kicks in. It ensures the builder is held responsible for the basic quality of the finish and construction materials.

The Two-Year Warranty: Major Systems Installation

The two-year warranty focuses on the installation of major mechanical systems. This includes your plumbing, electrical, heating, and cooling systems.

If a poorly installed plumbing joint causes a leak behind a wall during your second winter, or if faulty wiring creates a fire hazard, the builder is responsible for the repair. The law requires these systems to be free from defects caused by faulty installation due to noncompliance with building standards. Note that this covers the installation work, not necessarily the manufactured appliances themselves, which carry their own manufacturer warranties.

The Ten-Year Warranty: Major Construction Defects

Your home must remain structurally sound. The ten-year warranty covers major construction defects due to noncompliance with building standards that cause actual damage to the load-bearing portion of the home.

This includes foundation walls, beams, floor framing, and roof trusses. If a structural failure vitally affects the use of the dwelling for residential purposes, the builder must fix it. This long-term protection is crucial for ensuring your investment remains safe and habitable.

What to Do if You Discover a Problem

Protecting your rights requires active participation on your part. You cannot simply wait until year ten to complain about a crack you noticed in year one.

  • Ensure your contract is highly detailed before building begins. According to the Minnesota Attorney General's Office, state law requires contractors to put all contracts in writing, including a detailed summary of services, materials, and standard features. Be sure to specify brand names, colors, and model numbers.

  • Conduct thorough walkthroughs. Do a detailed inspection before closing and take notes. Hire an independent home inspector, even for new construction.

  • Document everything. Take clear, dated photographs of any suspected defects the moment you spot them.

  • Provide written notice. Under Minnesota law, you must report a defect to the builder in writing within six months of discovering it. If you fail to notify them within this window, you might lose your warranty rights for that specific issue.

  • Allow the builder to inspect. The builder has the statutory right to inspect the defect and offer to repair it within a reasonable timeframe.

Keep in mind that these statutory warranties survive the transfer of title. If you buy a three-year-old home from its original owner, you still inherit the remaining seven years of the major construction defect warranty. (Please note that this information is for educational purposes and does not constitute legal advice.)

Frequently Asked Questions

Does the MN home builder warranty cover everything?

No. It does not cover damage caused by the homeowner, normal wear and tear, extreme weather events, or shrinkage of materials within normal industry standards.

Do I still need a home inspection for new construction?

Yes. A professional inspector can identify workmanship errors or system installation flaws before closing, saving you the hassle of filing a warranty claim later.

What happens if the builder goes bankrupt or refuses to fix the defect?

If the builder ignores your written notice, refuses to make repairs, or goes out of business, you still have recourse. Statutory warranties are not affected by corporate dissolution. Additionally, as noted by The Petrashek Group, Minnesota homeowners may be able to seek compensation through the state's Contractor Recovery Fund if a licensed contractor fails to perform their duties.

Find the Right Professional for Your Next Move

Navigating the home buying process requires having the right team in your corner. From understanding down payment assistance to matching with local professionals who know the intricacies of new construction, specialized guidance makes all the difference.

If you are ready to explore your options and find cost-saving programs tailored to your situation, complete our quick matching survey at MN Home Buyers Connection. We connect motivated buyers with local mortgage experts who can help you secure favorable financial outcomes for your new Minnesota home.