Minnesota A C D F G H I K L M N O P R S T U V W Minnesota Construction Litigation Hold M.S.A. § 541.051; M.S.A. § 541.051(1)(d)Substantial completion of improvement to real property.Plus two years after discovery, no more than 12, unless negligent “maintenance, operation, or inspection of the real property improvement.”Online ReferenceNational Society of Professional Engineers Home Online Reference State Statute for Construction: 6 Years*The National Society of Professional Engineers Recommends an Additional: 3 YearsRecommended Document Retention 9 Years If you would like to learn the statute of limitations of any warranty your state entitles you to, refer to our Warranties map.