Minnesota Statutory Warranty 327A.02
Subd. 3.Home improvement warranties. (a) In a sale or in a contract for the sale of home improvement work involving major structural changes or additions to a residential building, the home improvement contractor shall warrant to the owner that:
(1) during the one-year period from and after the warranty date the home improvement shall be free from defects caused by faulty workmanship and defective materials due to noncompliance with building standards; and
(2) during the ten-year period from and after the warranty date the home improvement shall be free from major construction defects due to noncompliance with building standards.
(b) In a sale or in a contract for the sale of home improvement work involving the installation of plumbing, electrical, heating or cooling systems, the home improvement contractor shall warrant to the owner that, during the two-year period from and after the warranty date, the home improvement shall be free from defects caused by the faulty installation of the system or systems due to noncompliance with building standards.
(c) In a sale or in a contract for the sale of any home improvement work not covered by paragraph (a) or (b), the home improvement contractor shall warrant to the owner that, during the one-year period from and after the warranty date, the home improvement shall be free from defects caused by faulty workmanship or defective materials due to noncompliance with building standards.