Portland's building boom has cranes in action across the city, and there's more on the way. Here's a look at recent development proposals and updates on projects already in the works.

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Ankrom Moisan Architects via City of Portland

Artists Repertory Theatre apartments

New details have emerged about a 20-story high-rise construction project is proposed on the southern half of the Goose Hollow block that houses Artists Repertory Theatre, which announced last year it was selling part of its property. The theater will consolidate in the other half of the block. The apartment building, which would be located in the 1500 block of Southwest Alder Street. would include 304 apartments, 4,000 square feet of ground-floor commercial space, a penthouse common area and three levels of underground parking.

(Updated at 1:59 p.m. with new image)

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Sera Design via City of Portland

Goose Hollow apartments

A proposed apartment building at 1715 SW Salmon St. has a new design. The seven-story building would include 177 apartments, some of which would be affordable under Portland's inclusionary zoning mandate. It would also include ground-floor retail and mechanical stacking parking for up to 90 vehicles. The developer is Greystar Real Estate Partners of Charleston, South Carolina. The site is owned by TriMet.

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Allied Works Architecture via City of Portland

Northwest 23rd apartments

A&R Development is seeking design approval for a four-story apartment building proposed on the site of a 2016 natural gas explosion. The building at 500 N.W. 23rd Ave. would include five residential units and 1,000 square feet of ground floor commercial space.

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Carleton Hart Architecture via City of Portland

Northwest District affordable housing

Northwest Housing Alternatives has applied for a permit to build 148 affordable apartments in two buildings at 1727 N.W. Hoyt St. The proposal would preserve a historic building on the site. It would need the sign-off of the city's Historic Landmarks Commission, which has previously given the proposal a chilly reception.

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Pearl District hotel

Seattle developer Vibrant Cities has proposed to build an 11-story hotel at 350 N.W. 12th Ave. in the Pearl District. The Hyatt Place hotel would would include 176 rooms. The developer is Vibrant Cities of Seattle.

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Cathedral Park senior housing

Gary Reddick of V3 Studio has proposed to build 80 to 90 units of senior housing at 8314 N. Willamette Blvd., a site currently occupied by a house built in 1921.

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Proud Ground via City of Portland

5020 Condos

The affordable housing nonprofits Proud Ground and Habitat for Humanity Portland/Metro east have proposed to build a five-story public housing project at 5020 N. Interstate Ave., the site of a 2016 apartment fire that left the buildings vacant since. It would include one-, two- and three-bedroom units, including three three-bedroom townhouses. It will also include tuck-under parking. Carleton Hart Architecture filed the application. The site was purchased in 2016 by the Portland Housing Bureau.

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Arbor Lodge apartments

Architect Brett Schulz has applied to build a three-story, 18-unit apartment building at 6968 N. Montana Ave., a site owned by Decade Partners LLC, a California company.

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More Arbor Lodge apartments

Architect Steve Fosler has proposed a three-story, 18-unit apartment building at 6306 N. Maryland Ave. The site is owned by Knockout Investments and YJS Management Co., both of Las Vegas.

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Mackenzie via City of Portland

Kerns self-storage

A proposed self-storage building is proposed at 718 N.E. 12th Ave., across from Benson High School. The building would include ground-floor commercial space, possibly for restaurants.

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Lincoln High School replacement

Bora Architects has applied for an initial hearing on the proposed rebuild of the Southwest Portland high school, located at 1600 S.W. Salmon St.

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-- Elliot Njus

enjus@oregonian.com

503-294-5034

@enjus