In 2018, additional information about the building was added to the documentation of the district.

The present courthouse was re-built on the same site in the following year.

[3] It is a five-story building designed by architect Glen H. Huntington, son of prolific Denver architect Glen Wood Huntington,[1] in WPA Moderne style (a restrained form of Art Deco architecture).

It was one of the first courthouses in the US to issue same-sex marriage licenses in 1975, when Boulder County clerk Clela Rorex issued licenses to 6 same-sex couples.

[4][5] In 2018, the historic district's official documentation was updated "to recognize an additional area of significance of Social History for the Boulder County Courthouse, as well as the district generally, for association with the first same-sex marriage licenses issued in Colorado and the civil rights struggles of Lesbian, Gay, Bisexual, Transgender and Queer (LGBTQ) people.