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Mayor Zohran Mamdani just signed the Community Opportunity to Purchase Act — COPA — into law. What looked like a long‑running policy fight in City Hall is now real law. That means owners of some apartment buildings will face a new, government‑run right of first refusal before they can sell on the open market. Expect lawsuits. Lots of them.
What COPA actually does
COPA forces owners of certain multifamily buildings to notify the city and HPD‑certified nonprofits before they can finish a sale. The law sets a formal clock: a short statement‑of‑interest window, followed by a longer offer period — adding up to roughly 145 days of first‑dibs time — and a matching right that can last up to a year. City officials say the law targets “distressed” or regulated buildings and narrowed the pool to about 2,100 properties from much larger earlier drafts. There are exemptions for small owner‑occupied buildings, some foreclosure or bankruptcy sales, and other narrow cases, but the basic point is clear: private sales now run through an extra city checkpoint.
Why lawsuits are the next act
Legal experts warned this week that COPA invites constitutional challenges. Courts have already said the government can’t quietly take control of private property without paying for it — see Cedar Point Nursery v. Hassid and related takings law. City lawyers raised red flags during negotiations, and real‑estate firms predicted “protracted litigation” over takings, due process, and HPD’s rulemaking power. The law doesn’t take effect for a year, but the real fight begins now: landlord groups, small‑owner associations, lenders and trade groups are all lining up to press their cases in state and federal court.
Who wins and who pays?
The mayor and Council sell COPA as an anti‑displacement tool that gives community groups a chance to preserve affordable housing. That’s a fine goal in theory. But the bill contains no automatic, ready‑to‑use acquisition fund; certified nonprofits will still need money to buy buildings, and taxpayers could be asked to cover subsidies later. Meanwhile, owners who are short on cash or caught up in mortgage trouble face added legal and timing headaches. Small landlords warned the law will depress sale values and make refinancing harder. If COPA’s promise is affordable housing, its price may be delayed bank loans, lower home values, and lengthy court fights.
What to watch next
HPD must now write rules and publish a list of certified entities, which is where the rubber hits the road. Expect pre‑enforcement legal challenges, requests for injunctions once HPD issues guidance, and swift filings from landlord groups. This signing turns political theater into administrative reality — and into legal liability for the city. If you care about property rights, market stability, or who gets to control your neighborhood, keep an eye on HPD’s rulemaking and the first lawsuits that will try to stop this experiment before it becomes the new normal.
