Hot Property: 211 Congress St.

Seven companies have committed to more than 30,000 square feet of leases and renewals at 211 Congress St., an 80,000-square-foot office building overlooking Post Office Square in Boston’s Financial District.

A Big Bet on Post Office Square

A rooftop crane and demolition of the rear parking garage are signs of bigger changes to come at One Post Office Square, a 41-story office tower kicking off a $300 million expansion and renovation project.

Hot Property: 50 Post Office Square

A new glass box lobby completed this winter at 50 Post Office Square completed was designed to make the 782,000-square-foot Art Deco office tower more appealing to prospective tenants including tech companies.

‘Everyone’s Trying to One-Up Each Other’

Copley Wolf Design Group has a hand in designing green spaces and outdoor gathering spots at many of Greater Boston’s multifamily developments and office building updates. Sean Sanger joined the Boston-based landscape architecture firm in 2000 and was named a principal in 2012. The firm is participating in such projects as redevelopment of the Mary Ellen McCormack housing complex in South Boston and Davis Cos.’ Alewife Research Center life science complex in Cambridge. In Boston’s North End, it’s leading the restoration of a garden and installation of a glass and water feature at the Old North Church. Last year, Copley Wolff relocated and expanded its headquarters from 160 Boylston St. to 10 Post Office Square in the Financial District.