Idaho Department of Juvenile Corrections

The John Tourtellotte Building in Boise, Idaho, is a 1-story, reinforced concrete commercial space designed by Tourtellotte and Hummel and constructed in 1928. Plans for the building were drawn at the firm's Portland office with some participation from local Tourtellotte & Hummel architects. The building was added to the National Register of Historic Places in 1982, and its nomination form describes the structure as representing "the classicizing impulse of the 1920s in interaction with new structural systems and the functional aesthetic which accompanied them." The Tourtellotte Building is veneered with cast panels placed to resemble stone blocks, and the upper facade includes a "continuous frieze of swags and discs."At the time of construction of the John Tourtellotte Building, John Tourtellotte had been living and working in Portland, but the Boise office, managed by partner Frederick Hummel, continued to be a major influence in local architectural development.

The Elks Temple in Boise, Idaho was built during 1913-1914 and expanded during 1923–34. It is a four-story, five-bay building in "Italian Palazzo Style". It has served as a clubhouse of the Benevolent and Protective Order of Elks organization. It was listed on the National Register of Historic Places in 1978.It was designed by Tourtellotte & Hummel and has an unusual cornice, plus an elk head on its front facade with light bulbs at the antler tips (elk head was removed when the Boise Elk's relocated to a new temple); it is a Boise landmark, and according to its NRHP nomination is "one of the city's better buildings from the pre-World War I period." Its interior was heavily damaged in a 1943 fire.

The Hoff Building is an historic building in the western United States, located in Boise, Idaho. Designed by Boise architects Tourtellotte & Hummel, it was constructed 93 years ago in 1930 in the style of Art Deco. Known as Hotel Boise until 1976, the building is a contributing resource in the Boise Capitol Area District, listed on the National Register of Historic Places since May 12, 1976.At eleven floors in 1930, the building is considered Boise's first skyscraper and is the eleventh-tallest building in the city.

The Dr. James Davies House in Boise, Idaho, is a 2-story, shingled Colonial Revival house designed by Tourtellotte & Co. and constructed in 1904. The first floor is veneered in composite brick which may not be original to the house. The shingled upper story has flared walls at its base and small shed roof decorations above side windows. Other prominent features include a gambrel roof that extends over a cross facade porch with stone pillars at its front corners. The right front portion of the roof at its curb is cut inward of the lateral ridgebeam to expose a small, second-floor balcony above a beveled side bay. A large, pedimented front gable includes an off center, mullioned spider web window.Dr. James C. Davies and his family moved to Boise from Emmettsburg, Iowa, in 1904, first occupying a house the Idaho Statesman referenced as the Randall residence at 12th and Washington Streets. Dr. Davies purchased a lot from E.C. Cook one block east of the Randall residence, and he ordered construction of the 10-room Davies House.The Davies family occupied the house from its construction in 1904 until 1910, when Dr. Albert E. Weaver purchased the house. Dr. Davies and his family moved into the Borah residence on Franklin Street, previously occupied by William Borah.Dr. Davies returned to Iowa to care for his parents, and he died in Emmettsburg in 1918.

Immanuel Evangelical Lutheran Church is a Lutheran church located in Boise, Idaho. The church was individually listed on the National Register of Historic Places on June 17, 1976. It was included as a contributing property in the Fort Street Historic District on November 12, 1982.The church was organized on January 22, 1906, as the Swedish Lutheran Church of the Augustana Synod. It was associated with the Augustana Evangelical Lutheran Church, a Lutheran church body founded by Swedish immigrants. The current church building was built in 1908 and was dedicated on September 22, 1915. Because the founders were Scandinavian, the church services were first held in the Swedish language. October 1, 1918, the church decided to change to the English language for church sermons, in an effort to appeal to Lutherans of other ethnic backgrounds. The last remaining tie to the founders' Swedish heritage was severed in 1919, when the church changed its name to Boise Evangelical Lutheran Church. In the 1950s the church was renamed again as Immanuel Evangelical Lutheran Church. Immanuel Lutheran Church is part of the Evangelical Lutheran Church in America.

Boise High School is a public secondary school in Boise, Idaho, one of five traditional high schools within the city limits, four of which are in the Boise School District. A three-year comprehensive high school, Boise High is located on the outlying edge of the city's downtown business core. The enrollment for the 2014–15 school year was approximately 1,481.

The Boise City National Bank building in Boise, Idaho, was designed by architect James King as a 3-story, Richardsonian Romanesque commercial structure, inspired by the Marshall Field's Wholesale Store in Chicago. Construction began in April, 1891, and the building was completed in 1892.The Boise City National Bank building also has been named the Simplot Building, the Baird Building, and the Capital Security Building. Additionally the building is known informally either as the 801 Building or as the 805 Building.The building was added to the National Register of Historic Places November 28, 1978.

The Idanha Hotel is a historic building in downtown Boise on the corner of 10th and Main Street, built in Boise, Idaho in 1901. The Idanha Building opened and functioned as a hotel until it was transformed into an apartment building in the 1970's. It was listed on the National Register of Historic Places in 1974.The building is a six-story red brick French-Chateau structure with round turrets on its three prominent corners and a mansard roof. Built on a sandstone basement and foundation, it is one of the only few buildings left in downtown Boise with a sandstone foundation. The building is currently an apartment building with the Bombay Grill and Guru Donuts on its 1st floor and 10th Street Station Bar in its basement.It was designed by architect William S. Campbell. When built in 1901 at cost of $125,000, it was the most expensive building to date in Boise.

Alexanders is a two-story, Second Renaissance Revival style commercial building designed by architects Tourtellotte & Hummel and constructed in Boise, Idaho, in 1924. The brick building is clad in white terracotta.Alexanders was a men's clothing store chain begun in 1891 by Moses Alexander. After construction, the building at 826 Main Street contained Alexanders' flagship store, although Alexanders had operated a store prior to 1924 at the same corner.The building was listed on the National Register of Historic Places in 1978.

St. Michael's Episcopal Cathedral is an Episcopal cathedral in Boise, Idaho, United States. It is the seat of the Diocese of Idaho.

Eighth & Main is an 18-story building in Boise, Idaho. At 323 feet, it is the tallest building in the state. It houses the Idaho headquarters of Zions Bank, as well as Holland & Hart and other companies. Construction was completed in early 2014, and a grand opening celebration was held on February 15. The location, formerly known as "the pit" and the "Boise Hole", had sat vacant since 1987. Besides Zions Bank, other tenants include Holland & Hart LLP, Ruth's Chris Steak House, CTA Architects Engineers, First American Title Company, Clenera, LLC, and the Idaho Technology Council. Half of the top floor (17th Floor), known as the Idaho & Snake River Rooms, is available for limited public rental focused on non-profit and community oriented events.

The Grand Army of the Republic Hall is an historic Grand Army of the Republic building located at 714 W. State Street in Boise, Idaho.