Silverstein Properties and Metro Loft Management are putting their Financial District trophy on the block, marketing 55 Broad Street—a freshly converted 30-story former Goldman Sachs headquarters—as a $500-million-plus rental play. Just a year after residents moved into its 571 units, the CetraRuddy-designed tower with a rooftop pool and 25,000 square feet of amenities is only three-quarters leased, yet already being positioned as a litmus test for investor appetite in Manhattan’s office-to-residential boom.

New York City is leaning hard on office-to-residential conversions, trading decades of property tax revenue for thousands of new apartments in high-demand neighborhoods. The 467-m program has already spurred more than 15 million square feet of projects—enough for roughly 17,400 homes—by offering long-term tax breaks in exchange for permanently income-restricted units. Supporters see it as the fastest way to ease housing shortages and absorb obsolete offices; critics point to billions in foregone taxes. Either way, the trade is no longer hypothetical—it’s underway at unprecedented scale.

Not every office building is a good candidate for conversion, and choosing the wrong one can cost millions. This webinar breaks down the key data-driven strategies real estate professionals use to…