(b) Retainage on a building and construction contract may not exceed five percent. This article details some of the most important provisions that are typically found in a Minnesota construction contract.And construction of the contract and the legal relations between the parties and their performance. The county board may solicit and award a design-build contract for a project on the basis of a best value selection process as provided in this section. State law requires Hennepin County to retain contract documents pertaining to Prevailing Wage for six (6) years after the project is closed. Minnesota law mandates that contracts for new-home construction and home improvement projects include statutory warranties against defects. Every person or firm that has furnished work or provided material to build or improve your property is entitled to a mechanic's lien on the property. AGC of Minnesota's Contracts Committee provides short form construction contracts for owners, contractors, subcontractors, and material suppliers. This document has important legal consequences. Consultation with an attorney is encouraged with respect to its completion or modification.