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New office tower will soon rise downtown

11th and Idaho tower would be across from Boise Plaza (near right). Image courtesy of Rafanelli & Nahas.

The developers behind a 10-story office tower in downtown Boise say they have submitted a building permit and set firm dates for construction of the structure that will soon rise at 11th and Idaho streets.

Rafanelli & Nahas, which owns Boise Plaza, announced June 10 that construction will commence in August and take 14 months. Engineered Structures Inc. will be the project’s general contractor.

The mixed-use project will reportedly cost between $40 million and $45 million, according to an earlier IBR story. If leasing proceeds satisfactorily, the 11th and Idaho building could be open by the end of 2020, said Scott Schoenherr, a partner at Rafanelli & Nahas, whose holdings also include the KeyBank Building and the Hyatt Place Hotel, plus several other office and multifamily projects in the area.

“Boise has not seen a building like 11th & Idaho,” said Schoenherr. “This building will set a new standard in both architecture and amenities.”

The 191,000-square-foot building, designed by the architecture firm Perkins+Will of Seattle, will feature the following amenities:

  • Parking available in a garage located on the adjacent block.
  • Rooftop deck that provides views and social spaces for tenant events and activities.
  • Floor-to-ceiling windows throughout the building
  • A large, high-ceilinged glass lobby
  • Showers, lockers and indoor bike storage.

This tower has been in the Rafanelli & Nahas master plan since the company in 2006 bought the Boise Cascade, now Boise Plaza, building, along with the full blocks with surface parking lots to the east (now Hyatt Plaza), south (the proposed 11th and Idaho), a half block on the west (the eight-story Boise Plaza garage) and three smaller parcels to the north.

Rafanelli & Nahas built the garage in 2009, but the recession slowed progress on the other blocks with the Hyatt Place finally following in 2017.

“We love downtown Boise and plan to continue to invest here,” said Schoenherr.

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