How do i request a warranty for my cornerstone home? Review the warranty booklet that was provided with the purchase of your home. If you find that your problem is covered, please complete the online Warranty Request Form. Once your request has been submitted a Cornerstone Homes Warranty Representative will contact you within two business days.Who is cornerstone united? elcome to CornerStone United! CornerStone is one of the oldest and most experienced warranty and service contract providers in the U.S. and Canada. Since 1973 we’ve been dedicated to providing outstanding products and services to our manufacturer, agent and dealer partners.Why choose cornerstone united for your extended car warranty? You can get free quotes from our top picks to see how much you would pay for coverage. CornerStone United stands out from competitors with its assortment of extended car warranty options – from automobiles to powersport vehicles – and willingness to provide a plan that meets any customer’s needs.Where does cornerstone sell insurance contracts? CornerStone United sells its contracts through agents, dealers, manufacturers, distributors, and auctions. While it’s necessary to go through the company’s nationwide network, CornerStone assures customers all its programs are backed by insurers with at least an A- (Excellent) rating by AM Best.
All CornerStone extended warranties include a 30-day money-back guarantee. Quotes and Claims Processes A CornerStone United contract must be purchased through a manufacturer, agent, or dealership.