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Boise in Ada County, Idaho — The American West (Mountains)
 

Warm Springs Avenue

 
 
Warm Springs Avenue Marker image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
1. Warm Springs Avenue Marker
Inscription. The Warm Springs Avenue neighborhood began to emerge in the 1890’s, soon after Kelly Hot Springs, for which the street was named, was tapped to provide water for Boise’s fire hydrants. The prominent owners of the water line built their mansions on the street, pumping in the natural hot water from east of Table Rock for use in their homes; these were among the first houses in the world to utilize geothermal sources for heat.

The homes on Warms Springs Avenue are distinctive and grand, and designed in diverse architectural styles. The combination of stately homes and geothermal heat makes this area one of Boise’s most historically significant local districts, as well as one of the most unique in the western states.

Children’s Home Society of Idaho
The Children’s Home Society was established in 1908 by Reverend O. P. Christian to provide a home and education for the orphans of the state. Cynthia A. Mann, a teacher and local activist of the day, donated this block and a house where the children resided until completion of the permanent building. Constructed of sandstone quarried at Table Rock, this structure
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was begun in early 1910 and received its first residents later that year.

The facility served as an orphanage until 1966 when national legislation shifted responsibility for this population to foster care.

Warm Springs Avenue was listed on the National Register of Historic Places in 1980, and was designated as a local historic district by Boise City in 1996. The district extends from Broadway Avenue to Marden Street.
 
Topics and series. This historical marker is listed in these topic lists: ArchitectureCharity & Public WorkSettlements & SettlersWaterways & Vessels. In addition, it is included in the National Register of Historic Places (NRHP) series list.
 
Location. 43° 36.541′ N, 116° 11.217′ W. Marker is in Boise, Idaho, in Ada County. It is at the intersection of East Warm Springs Avenue and North Straughan Avenue, on the right when traveling west on East Warm Springs Avenue. Marker is located near sidewalk directly in front of the subject Children's Home Society of Idaho building. Touch for map. Marker is at or near this postal address: 740 East
Warm Springs Avenue Marker image. Click for full size.
Photographed by Douglass Halvorsen, June 26, 2023
2. Warm Springs Avenue Marker
Warm Springs Avenue, Boise ID 83712, United States of America. Touch for directions.

Regionally, this marker is on Idaho’s Snake River Plain. It is also in the American Mountain West. Globally, it is in North America, the Western Hemisphere, the Western World, and the Anglosphere.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Chidren’s Home Society of Idaho (here, next to this marker); Children’s Home Society of Idaho (a few steps from this marker); a different marker also named Children’s Home Society of Idaho (a few steps from this marker); a different marker also named Children’s Home Society of Idaho (a few steps from this marker); Robin Harviel (a few steps from this marker); a different marker also named Children’s Home Society of Idaho (a few steps from this marker); a different marker also named Children’s Home Society of Idaho (within shouting distance of this marker); Cynthia Mann (within shouting distance of this marker). Touch for a list and map of all markers in Boise.
 
Also see . . .
1. The Children’s Home Society of Idaho.
The Children’s Home Society
Children's Home Society of Idaho image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
3. Children's Home Society of Idaho
is one of Idaho’s oldest, continually operational non-profit organizations opening its doors in 1908 as an orphanage. Today, the organization offers a variety of progressive mental, emotional and behavioral health services at its Warm Springs Counseling Center (Submitted on November 9, 2017, by Cosmos Mariner of Cape Canaveral, Florida.) 

2. National Register of Historic Places Nomination Form. The Warm Springs Historic District is architecturally significant for the large number of fine houses representing a wide range of architectural styles spanning seven decades (1870-1940). It is historically significant for its visual reminders of local history. Including two of Boise's older residences (George Russell, #26, 1869 and John Maynard, #52, c. 1879), this district also contains a number of fine examples of Queen Anne architecture, specifically the Kingsburry (#33), Kinney (#66) and Fraser (#5) residences. The Colonial Revival style is well represented on Warm Springs Avenue by the Cavanah (#81), Cox (#88) and Roger Davidson (#31) houses. The large sandstone Childrens' Home (#60) near the west end of the district
1891 C. W. Moore Residence (<i>pictured on the marker</i>) image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
4. 1891 C. W. Moore Residence (pictured on the marker)
is both socially and architecturally significant.
Fine examples of the Mission Revival, Tudor, and Bungalow styles are also found on Warm Springs Avenue. Indeed, this historic district provides a rich variety of architectural styles which reflects the constantly changing taste in residential architecture. (Submitted on February 19, 2025, by Douglass Halvorsen of Klamath Falls, Oregon.) 
 
Warm Springs Castle image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
5. Warm Springs Castle
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
6. Warm Springs Avenue House
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
7. Warm Springs Avenue House
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
8. Warm Springs Avenue House
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
9. Warm Springs Avenue House
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
10. Warm Springs Avenue House
Warm Springs Avenue House image. Click for full size.
Photographed by Cosmos Mariner, June 22, 2013
11. Warm Springs Avenue House
 
 
Credits. This page was last revised on February 19, 2025. It was originally submitted on November 9, 2017, by Cosmos Mariner of Cape Canaveral, Florida. This page has been viewed 1,702 times since then and 114 times this year. Photos:   1. submitted on November 9, 2017, by Cosmos Mariner of Cape Canaveral, Florida.   2. submitted on February 19, 2025, by Douglass Halvorsen of Klamath Falls, Oregon.   3, 4, 5, 6, 7. submitted on November 9, 2017, by Cosmos Mariner of Cape Canaveral, Florida.   8, 9, 10. submitted on November 18, 2017, by Cosmos Mariner of Cape Canaveral, Florida.   11. submitted on December 10, 2017, by Cosmos Mariner of Cape Canaveral, Florida. • Bill Pfingsten was the editor who published this page.
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Jul. 16, 2026