Humboldt Street Historic District

{{short description|Historic district in Colorado, United States}}

{{Use American English|date=January 2025}}

{{Use mdy dates|date=August 2023}}

{{Infobox NRHP

| name = Humboldt Street Historic District

| nrhp_type = hd

| nocat = yes

| designated_other1 = Colorado

| designated_other1_date =

| designated_other1_number = 5DV.166

| designated_other1_num_position = bottom

| image = Humboldt Denver.JPG

| caption = Sign marking historic district

| location = Humboldt St. between E. 10th and E. 12th Sts., Denver, Colorado

| coordinates = {{coord|39|44|1|N|104|58|7|W|display=inline,title}}

| locmapin = Colorado#USA

| built = 1895

| architect = Multiple

| architecture = Mixed (more Than 2 Styles From Different Periods)

| added = December 29, 1978

| area = {{convert|5|acre|ha}}

| refnum = 78000848{{NRISref|version=2009a}}

}}

Humboldt Street Historic District, or Humboldt Island, is located west of Cheesman Park in Denver, Colorado on Humboldt Street between East Tenth and Twelfth Streets.{{cite book|author=Thomas J. Noel|title=Denver Landmarks and Historic Districts|url=https://books.google.com/books?id=QStIDAAAQBAJ&pg=PT246|date=May 1, 2016|publisher=University Press of Colorado|isbn=978-1-60732-422-5|page=PT246}} It was the first residential district to be designated a historic district by the Denver Landmark Preservation Commission in 1972, and is listed as a historic district on the National Register of Historic Places.{{cite web|url={{NRHP url|id=78000848}}|title=National Register of Historic Places Inventory/Nomination: Humboldt Street Historic District|publisher=National Park Service|author=Barbara Norgen|date=December 29, 1978 |accessdate=June 27, 2018}} With {{NRHP url|id=78000848|photos=y|title=accompanying photos}}

There are 25 houses in the district built between 1895 and 1920. They were designed by prominent architectural firms, including Willison and Fallis, Marean and Norton, and Barressen Brothers. There district contains houses of Renaissance Revival, Georgian Revival, Colonial Revival as well as simple Foursquare style architecture. Some of Denver's most wealthy and influential people lived in the neighborhood.{{Cite web |url=https://history.denverlibrary.org/humboldt-street-historic-district |title=Humboldt Street Historic District |date=June 6, 2014 |website=Denver Public Library History |access-date=June 28, 2018}}

File:Stoiber Mansion - Humboldt Street Historic District, Denver - 1908.jpg, 1908, just after restoration of the basement swimming pool, third-floor dormers, and the bowling alley. Photograph by Charles S. Price, Denver Public Library]]

After Frederick G. Bonfils' mansion was torn down to make way for a fifteen-story apartment house, Denver passed an ordinated to protect Cheesman Park's mountain view from other high-rise buildings. Bonfils and Harry Heye Tammen were owners of The Denver Post and self-made millionaires. Tammen had a Tuscan villa at 1061 Humboldt. Mining millionaires, the Stoibers had the district's showiest mansion, Stoiber-Reed-Humphreys Mansion, of Renaissance Revival-style architecture. Governor William Ellery Sweet lived in a Georgian Revival-style house at 1075 Humboldt.