This street was named for Alonzo Hamblet (1863–1937), son of Eli (1820–1905) and Mary Booth Hamblet (1840–1905), namesake of Mary Avenue NW. According to an article in the November 19, 1937 issue of The Seattle Times, the Hamblets had their homestead where Ballard High School is today. Alonzo was one of the men behind the West Coast Improvement Company that developed Ballard (then known as Gilman Park).

Alonzo Avenue NW begins at NW 67th Street just north of the high school and goes ⅖ of a mile to NW 75th Street.

Street sign at NW 67th Street and Alonzo Avenue NW, Seattle, October 12, 2021
Street sign at NW 67th Street and Alonzo Avenue NW, Seattle. Photograph by Benjamin Lukoff, October 12, 2021. Copyright © 2021 Benjamin Lukoff. All rights reserved.

2 thoughts on “Alonzo Avenue NW”

    1. Good question! My friend and fellow local historian Rob Ketcherside writes that he thinks it was named after Albro Gardner, “the 3-time former County Surveyor and former (~1890) Seattle city engineer…. Gardner presented a plan to the city on how to level Denny Hill. He was a major property owner on the hill and represented an owners’ group that wanted the hill removed.”

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