/32 $349,900 4 Beds 4 Baths 1,200 Sq Ft 410 3rd Ave, Duluth, MN 55810 Investment opportunity; fourplexes like this rarely come on the market nevertheless in Proctor Minnesota. Owner occupy while earning an income or rent out all units- you choose. Emily Silverness Century 21 Atwood 410 3rd Ave, Duluth, MN 55810