[2] In 1849, he moved west with the California Gold Rush, piloting the Blackhawk, a steamer, on the Sacramento River.
[6] They then built the Carrie Ladd steamer in 1858, called the "keystone of the Oregon Steam Navigation Company".
[8][9] His 1870s French Second Empire style home, the Jacob Kamm House was moved from its 14th and Main location in the 1950s to construct the current Lincoln High School.
[2] Kamm married Caroline Augusta Gray on 13 September 1859 during the Pig War, on the PS Eliza Anderson steamer just outside Fort Hope, Canada.
[18][19] By December 13, The Oregonian reported he "may only live a few hours", stating his condition was "sinking rapidly".
[13][18][23][24] Aside from the Jacob Kamm home and property, he also owned a half-block building at Front and Pine, a quarter block at Third and Yamhill, a quarter block at First and Washington, the Vancouver Transportation Company, was a "heavy stockholder" in the First National Bank of Astoria, and a "heavy stockholder" in the First National Bank of Portland.
[2] At the time of his death, the Vancouver Transportation Company operated two ships: the Lurline and Undine on routes between Portland and Astoria.
Wright, a marine historian, wrote that Kamm was one of "two outstanding figures whose leadership in Columbia river steamboating will never be disputed".