Can Vacant Offices Help Solve the US Housing Crisis?

The rise in unused office space has triggered suggestions about converting commercial real estate into residential buildings. But our US Real Estate Research analyst lists three major challenges.

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Welcome to Thoughts on the Market. I’m Adam Kramer, from the Morgan Stanley U.S. Real Estate Research team. Along with my colleagues bringing you a variety of perspectives, today I’ll discuss a hot real estate topic. Whether the surplus of vacant office space offers a logical solution to the national housing shortage.

It’s Wednesday, August 14, at 10am in New York.

Sitting here in Morgan Stanley’s office at 1585 Broadway, Times Square is bustling and New York seems to have recovered from COVID and then some. But the reality inside buildings is a little bit different. 

On the one hand, 14 percent of U.S. office space is sitting unused. Our analysis shows a permanent impairment in office demand of roughly 25 percent compared to pre-COVID. And on the other hand, we have a national housing shortage of up to 6 million units. So why not simply remove obsolete lower-quality office stock and replace it with much-needed housing? On the surface, the idea of office-to-residential conversion sounds compelling. It could revitalize struggling downtown areas, creating a virtuous cycle that can lead to increased local tax revenues, foot traffic, retail demand and tourism.

But is it feasible?

We think conversions face at least three significant challenges. First, are the economics of conversion. In order for conversions to make sense, we would need to see office rents decline or apartment rents rise materially – which is unlikely in the next 1-2 years given the supply dynamics — and office values and conversion costs would need to decline materially. 

Investors can acquire or develop a multifamily property at roughly $600 per square foot. Alternatively, they can acquire and convert an existing office building for a total cost of nearly $700 per square foot, on average. The bottom line is that total conversion costs are higher than acquisition or ground-up development, with more complexity involved as well. 

The second big challenge is the quality of the buildings themselves. Numerous elements of the physical building impact conversion feasibility. For example, location relative to transit and amenities. Buildings in suboptimal locations are unlikely to be considered. Whether the office asset is vacant or not is also a factor. Office leases are typically longer duration, and a building needs to be close to or fully vacant for a full conversion. And lastly, physical attributes such as architecture, floor-plate depth, windows placement, among others. 

And finally, regulation presents a third major hurdle. Zoning and building code requirements differ from city to city and can add substantive time, cost, complexity, and limitations to any conversion project. That said, governments are in a unique position to encourage conversions — for example, via tax incentives – and literally remake cities short on affordable housing but with excess, underutilized office space.

We have looked at conversion opportunities in three key markets: New York, San Francisco, and Washington, D.C. In Manhattan, active office to residential conversions have been concentrated in the Financial District, and we think this trend will continue. We also see the East Side of Manhattan as a uniquely untapped opportunity for future conversions, given higher vacancy today. This would shift existing East Side office tenants to other locations, boosting demand in higher-quality office neighborhoods like Park Avenue and Grand Central.

In San Francisco, we are concerned about other types of real estate properties beyond just office. Retail, multifamily, and lodging in the downtown area are taking longer to recover post-COVID, and we think this will limit conversions in the market. 

And finally, in Washington, D.C. we think conversion would work best for older, Class B/C office buildings on the edges of pre-existing residential areas. 

In these three markets, and others, conversions could work in specific instances, with specific buildings in specific sub-markets. But on a national basis, the economic and logistic challenges of wide-scale conversions make this an unlikely solution.

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