NEW YORK CITY – Columbia Property Trust, a real estate investment trust headquartered in New York City, has acquired 250 Church St., a 16-story, 237,000-square-foot office building located in the Tribeca submarket, for $205 million. Avison Young arranged the transaction. Mariah Brown is a reporter for GlobeSt.com, covering the New York Metro area, Northeast region and national real estate trends. She is responsible for producing multi-media content, including articles, podcasts and video.