One much discussed solution to the city’s housing crisis is converting the massive stock of outdated office buildings into apartment building. Now the biggest example of such a conversion is almost complete.

Pearl House was built on Water Street in 1972 as a 24-story office tower. It has now been transformed into a 30-story residential building with 588 apartments, a co-working space, landscaped roof, gym, spa, plunge pool, bowling alley, and even a sports book room.  

Robert Fuller, the architect with the firm Gensler, and Richard Coles, the developer with the Vanbarton Group, joined “The Rush Hour” on Tuesday to discuss the project.