What You Should Know About Sponsor Units There Are Some Advantages and Disadvantages in Buying One

For the potential homeowner, there is one attractive benefit to acquiring a sponsor apartment. (iStockphoto).

Imagine if you can actually buy a co-op in New York City and not have to be in front of the building's dreaded board for approval. Well, there is an option for buyers to consider in the form of a sponsor unit. It's a term that you've probably come across as you were looking at co-op or condo listings through a real estate website or Craigslist. It may sound all good and you're about ready to sign on the dotted line, but there are some things you should know first.

What is a Sponsor Unit?

It's important to understand the definition of a sponsor unit and how it's somewhat different from a brand-new co-op or condo apartment that becomes available on the market. According to attorney Aaron Shmulewitz, a partner with the New York City-based law firm of Belkin Burden Wenig & Goldman, LLP, a sponsor unit is an apartment that has not been sold by the sponsor (i.e. the project developer). In some cases, it's the sponsor who converts a rental building into a co-op or condo, or builds a new co-op or condo structure.

“When a new condo is built, every apartment in the building starts out as a sponsor unit,” Shmulewitz explains. “In conversions of rental buildings, every apartment starts out as a sponsor unit once the building is brought to market as a condo. “As the sponsor is successful in selling apartments, there are fewer and fewer remaining sponsor apartments,” he says.

There are a variety of reasons why an apartment is not sold immediately at the time. “There might be a white elephant or lemon of an apartment,” says Shmulewitz, “or there might be some issues with the apartment. If it's a conversion of a rental building, there might be a bunch of apartments that are occupied by rent-stabilized tenants who didn't buy their apartments, and the sponsor is going to have to wait until they either die or move out or he makes deals with them to buy them out.”

Pros and Cons

However, there comes a time when the sponsor is now able to sell that once-unavailable unit to a buyer. Whether it's sold as is or refurbished depends on the circumstances and condition off the unit. “If it was formerly occupied by an old lady who lived there as a rent-stabilized tenant for 50 years, it's probably going to be a wreck,” Shmulewitz says. “Generally speaking, sponsors will renovate those kinds of apartments, and make them up to date and modern before they sell them. On the other end of the spectrum, say a new construction comes where the sponsor, for whatever reason, has not been able to sell a particular apartment. It's new construction, so generally no renovation is necessary.”


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  • I'm purchasing a Sponsor Co-Op, and now they will not close, demanding I fill out a Board Applicatio on Sunday, August 2, 2020 5:46 AM
    I'm purchasing a Sponsor Co-Op and now they are demanding I fill out their Board Application and pay Fees of $500.+ &35. Before they schedule a Closing. My Atty just says they "require" it...he's no help. I believe this is illegal. What can I do or who do I contact in this matter.
  • The sponsor should be able to direct you on this one. If the Board is demanding an application to be filed, plus fees , to schedule a closing, then it should be mentioned in the Coop's House Rules. The sponsor should have told you beforehand, unless this requirement is new. As long as the Coop is not approving your purchase, then there is nothing 'illegal' going on. As the buyer of shares held by the Sponsor a/k/a the Holder of the Unsold shares, your purchase is not subject to Board approval. Rich