Single-family detached home
free-standing residential building
Lothrop Mansion
Lou Henry and Herbert Hoover House
Louis Bergdoll House
Louis Marchetti House
Louis P. and Clara K. Best Residence and Auto House
Louis Penfield House
Louis Smith Tainter House
Lovell House
Lucienne Nielsen House
Lucy Drexel Dahlgren House
Luman Andrews House
Luther F. Tilden House
Lyman Estate
Lynch-O'Gorman House
M L Ranch
Mackay Estate Dairyman's Cottage
Madam Fredin's Eden Park School and Neighboring Row House
Madlener House
Mahonia Hall
Maj. Joseph Griswold House
Mann House
Marathon County Historical Museum
Marden House
Marsh Mills
Marshall House
Martin Hamilton House
Martin Luther Pipes House
Mary A. Wolfe House
Mary Fiske Stoughton House
Mary Rockwell Hook House
Mary Rogers Kimball House
Mary W. Adams House
Thompson-Hansen House
Matthew J. and Florence Lynch House and Garden
Maud and Belle Ainsworth House
Maurice Crumpacker House
Maurice Seitz House
Max Bettin House
Max Hoffman House
Max Petersen House
Maxwell-Kirby House
Maxwell E. Perkins House
Mayall Bruner House
Mayer Hirsch House
Maynard Buehler House
Mayor Edwin O. Childs House
McClintock House
McCullough-Price House
McDonald Ranch
McElroy Octagon House