Discover the history of the National Register of

Historic Place Redstone Lofts in Duluth, MN.

Established in 1892 by Oliver G. Traphagen, complete restoration completed in 2019.

Redstone Historical Image

Redstone Mansion

1892 - 1919

1892

  • Built as two family home

  • Romanesque revival redstone

  • Designed, built and home of Oliver G. Traphagen

 

1896

  • Traphagen moved to Hawaii

 

1897 - 1908

  • Chester Congdon lived in home with family until the Glensheen Mansion was built

Redstone Historical Image

Redstone Mansion

1919 - 1986

1919

  • Converted by Congdon family estate into nine unit apartment building

 

1919 - 1935

  • The house remained in Congdon family 

 

1935 - 1972

  • Passed through numerous owners

  • Duluth real estate entrepreneur Ben Overman added apartments to Twin Ports rental properties 

Redstone Lofts

Redstone Mansion

1986 - 2017

1986

  • Howard Klatzky purchases apartment building of business

  • Used as residential and commercial space for HTK marketing communications 

​

2014

  • HTK relocates to new location in Canal Park, Duluth, MN

  • Fire damages building

 

2015 - 2017

  • Redstone Mansion is restored and converted to 11 modern luxury lofts