Updates on projects and companies in the California & Northwest region.

Builders of the city’s new 100 Mill mixed-use project have also preserved a historic adobe building on the site.

Related Midwest recently unveiled its proposal for 400 Lake Shore Drive, two towers set 150-ft apart designed by architect David Childs with fellow architect Scott Duncan and structural engineer William Baker of Skidmore Owings & Merrill (SOM).

Los Angeles-based CIM Group and Chicago's Golub & Co. unveiled plans this week for the redevelopment of Chicago's neo-gothic Tribune Tower and the land surrounding it. A 1,422-ft-tall tower would rise adjacent to the 1923 landmark, according to the plan, and the soon-to-be-former home of the Chicago Tribune would be converted to 165 residential units and new retail shops.

Founded in 2010 by former John Buck Company executive, John O’Donnell, Riverside Investment has taken on sites others deemed unbuildable and significantly changed Chicago’s skyline, particularly along the Chicago River.

ENR New York is once again ranking the largest projects that began in the past year.

The Chicago Plan Commission votes to approve a $700 million development that's planned to include the city’s sixth-tallest building.

The recently unveiled One Chicago Square development promises an 85-foot-wide tower with an innovative basement. Approval still pending.

Crews broke ground April 24 on Ellington Airport’s new $12.4 million air traffic control tower.

The Boston City Council recently approved Mayor Marty Walsh’s home rule petition to ease a 20-year-old state law that restricts shadows from construction on the Boston Common and the Public Garden to allow for construction of the 775-ft Winthrop Square tower proposed by Millennium Partners.