List of tallest buildings in Boise

The following table shows the tallest buildings in Boise, Idaho. The tallest building in Boise and the state of Idaho since 2014 is the Eighth & Main Building at 18 floors and 323 feet (278 feet without the spire) in height.

Cityscape

Tallest buildings

This list ranks completed buildings in Boise that stand at least 150 ft (45.7 m) tall as of 2026, based on standard height measurement. This includes spires and architectural details but does not include antenna masts. The “Year” column indicates the year of completion. Buildings tied in height are sorted by year of completion with earlier buildings ranked first, and then alphabetically.

RankName ImageHeightft (m)FloorsYearPurpose Notes1 Eighth & Main 182014OfficeTallest building in Boise and in Idaho since 2014. Tallest building in Boise completed in the 2010s. Houses the Idaho headquarters of Zions Bank, as well as Holland & Hart and other companies.2 The Arthur 262025ResidentialTallest building in Boise completed in the 2020s. Tallest residential building in Boise and tallest building by roof height. The top of The Arthur was designed to resemble the Sawtooth Range, hence the jagged roof.3 US Bank Plaza 191978Office Tallest building in Boise and in Idaho from 1978 to 2014. Originally known as the Idaho First Plaza until 1989.4 Idaho State Capitol 4 1920 Government Tallest building in Boise and in Idaho from 1920 to 1978.5One Capital Center141975OfficeTallest high-rise building in Boise from 1975 to 1978.6 The Grove Hotel 162000Hotel Tallest hotel building in Boise.7 Aspen Lofts 172009ResidentialAlso known as The Aspen.8 Banner Bank Building 112006Office 9Wells Fargo Building111988OfficeKnown as the First Interstate Building until 1996.10AC/Element Hotels—152026HotelThe first dual hotel building in Boise11 Key Tower 131963Office Tallest high-rise building in Boise from 1963 to 1975. Originally known as the Bank of Idaho until 1981. Known as First Interstate until 1988.12 Hoff Building 131930Office Originally the Hotel Boise. This building was sold to the Hoff family in 1976. Tallest high-rise building in Boise from 1930 to 1963.13 Chase Tower Plaza 111995Office Also known as the Washington Mutual Building until 2009.14 Idaho Power Building 91990Office15Saint Alphonsus Center for Advanced Healing—92007HealthThe tallest building located outside of downtown Boise.

Tallest under construction or proposed

Under construction The following table includes buildings under construction in Boise that are planned to be at least 150 ft (45.7 m) tall as of 2026, based on standard height measurement. The “Year” column indicates the expected year of completion. Buildings that are on hold are not included. NameHeightft (m)FloorsYearPurposeNotesThe Bannock132026Mixed-useMixed-use office and residential building. Also known as ICCU Plaza. Originally planned to be 232 feet (71 m) tall, though local backlash forced the developer to revise the building's height.St. Luke's Tower92030HealthTopped off in 2026.

Proposed The following table includes approved and proposed buildings in Boise that are expected to be at least 150 ft (45.7 m) tall as of 2026, based on standard height measurement. The “Year” column indicates the expected year of completion. A dash “–“ indicates information about the building’s height, floor count, or year of completion is unknown or has not been released. NameHeightft (m)FloorsPurposeStatusYearNotes11th and Front 39 ResidentialPermitting2029420 units.The Boardwalk18 ResidentialApproved202718 story condominium tower in Garden City, a few miles northwest of Downtown Boise. This tower is part of a 3 phase project, the 18 story tower being the largest of the three. The site for the tower has been paved over, so it has most likely been cancelled. However, there are no official statements, so it won't be removed from the list yet.27th and Fairview16ResidentialProposed 2035A highly anticipated proposal sitting on the very edge of downtown at the river, this high-rise will extend the skyline almost a mile west, and would be one of the tallest buildings in the city. Height is an estimate.8th and River12ResidentialProposed—169 units that would feature office tenants as well as restaurant/retail space.

List of tallest buildings in Boise

Bron en licentie