NEW YORK CITY-Five months after departing his post as Grubb & Ellis COO, Mark Costello is about to take up his old duties as partner in Ernst & Young's real estate advisory operation. Scheduled to return next week, Costello will report to managing partner Mark Smith.

NEW YORK CITY-The two deals bring the firm's '02 Toronto leasing tally to more than one million sf. CIBC and Unisen Inc. are the focus of the two newest deals.

NEW YORK CITY-Design competitions aside, the Port Authority of New York and New Jersey has come out of the closet with its own Ground Zero game plan.

NEW YORK CITY-Ownership of the Rockefeller Center property has launched a joint venture management operation with Clarion Partners to handle the day-to-day operations on selected properties across the nation. The new group is ready to pull the trigger at 1211 and Boston's One Federal St.

NEW YORK CITY-Papers filed last week by the major World Trade Center insurers spell out the problems with a pending appeal by master leaseholder Larry Silverstein. Meanwhile, his attorneys accuse the opposition of disinterest in rebuilding Lower Manhattan.

NEW YORK CITY-JBC Fund I--managed by Chicago-based John Buck Co.--is teaming with Madison Equities to bring JBC's first Manhattan project out of the ground next year. The luxury apartment building will add 193 units to the city's multifamily inventory.

NEW YORK CITY-Developer Donald Trump might beef up his claim against the city and tells GlobeSt.com that a review of assessments in other properties is in the works.

NEW YORK CITY-The program allows private-sector leaders to explore the challenges--and solutions--to dong business in New York City.