New York City has paused construction at several office-to-apartment conversions since Pfizer tower structural problems

By Samantha Delouya, CNN (CNN) — New York City is counting on office-to-apartment conversions to help relieve its housing shortage. But after structural problems earlier this month threatened a partial collapse at one of the city’s largest such projects, regulators have intensified scrutiny. Since then, three more Manhattan office conversion projects have been ordered to