Cornerstone Insurance Group Inc 8:00am - 5:00pm 8:00am - 5:00pm 8:00am - 5:00pm 8:00am - 5:00pm 8:00am - 5:00pmClosed Today Closed Today 27801 Blue Lake Dr Zimmerman, MN 55398 USphone(763) 494-4743(763) 494-4743Get DirectionsRequest A QuoteVisit Store Website