Guide
The co-op board package and interview
If you have only ever bought a house, a co-op works differently from the first day to the last. Here is the process in order, with the parts that surprise people flagged early.
Current as of August 2026. Deadlines and local laws change. Confirm anything binding with your own attorney.
What you are actually buying
A co-op apartment is not real property. The building is owned by a cooperative corporation. When you buy, you buy shares in that corporation, and those shares come with a proprietary lease giving you the right to occupy a specific apartment. You are a shareholder and a lessee at the same time.
Everything else follows from that. Your loan is a share loan secured under Article 9 of the Uniform Commercial Code, not a mortgage recorded against a deed. Your monthly maintenance covers your share of the building's operating costs, its property taxes, and the payments on the building's own underlying mortgage. And because the corporation is effectively your landlord, it gets a say in who buys your shares when you sell. That is where the board package comes from.
What goes in the package
Packages vary by building, but the core is consistent across Queens and Nassau County:
- A completed application and, in New York City, the REBNY Financial Statement, a standard two-page form listing assets, liabilities, monthly income and projected monthly expenses
- Two to three years of federal tax returns, plus W-2s or 1099s
- Two to three months of statements for every bank, brokerage and retirement account you listed
- An employment verification letter stating title, start date and compensation
- Reference letters, typically two personal and one or two professional, plus a landlord reference if you rent now
- The fully executed contract of sale
- A mortgage commitment letter, or proof of funds if you are paying cash
- Building-specific forms: lead paint and window guard acknowledgements, house rules sign-off, pet and move-in policies, and often a recognition agreement between you, your lender and the corporation
Managing agents return incomplete packages as a matter of routine. Assembling it properly the first time is the single biggest thing under your control.
Timeline, stage by stage
Accepted offer to contract signing usually runs one to three weeks while your attorney reviews the offering plan, the board minutes and the corporation's financials. Loan application to written commitment commonly runs three to five weeks. Package assembly is another one to two weeks once the commitment is in hand. The interview usually follows within a couple of weeks of the paperwork clearing, and closing two to four weeks after board approval. From accepted offer to closing, 60 to 90 days is a realistic planning assumption and longer is common.
The part most useful to a buyer: if the board fails to acknowledge in time, the application is treated as complete as of the date that acknowledgement was due. The clock starts anyway.
Two things extend the 45 days. The board may take oneextension of up to 14 days if it emails you before the deadline, and you may agree in writing to extend it further. A summer recess can also pause the clocks where the corporation has adopted a recess notice.
Enforcement runs through HPD, with penalties of $1,000, $1,500 and $2,000 for first, second and subsequent violations. The law gives you no private right to sue and does not require a board to approve you. It requires the board to answer.
It does not cover condos, HDFCs, buildings where a government agency must approve the sale, or co-ops withfewer than 10 dwelling units — so a 10-unit buildingis covered.
Nassau County has its own county-level processing requirements, and Suffolk County goes further than either and requires a board to give written grounds when it rejects an applicant. The three schemes are not identical. If you are buying outside the five boroughs, ask your attorney which deadlines apply to your building.
The financial tests boards apply
These are policies set by each board, not legal requirements, and they vary. The common patterns:
- Debt-to-income. Many boards want total monthly debt service including maintenance at or under roughly 25 to 30% of gross monthly income. Some are stricter.
- Post-closing liquidity. Commonly 12 to 24 months of combined mortgage payments and maintenance held in liquid assets after you close. Retirement accounts may be discounted or excluded entirely.
- Maximum financing. Most co-ops cap how much of the price you can borrow. Twenty percent down is a common floor, some buildings allow ten, some require fifty, and a number of buildings on the North Shore are all cash and permit no financing at all.
Ask about the financing cap before you fall in love with the apartment. A lender can approve you and a board can still say no: they are testing different things.
The interview
Usually 15 to 45 minutes with some or all of the board. Most of the work is already done by the package. Reasonable topics are how you intend to use the apartment, the number of intended occupants as it bears on occupancy limits and house rules, whether you plan to sublet or renovate, how you will handle the monthly carrying costs, pets, and whether you have read the house rules. Questions that probe protected characteristics, including family status, are not appropriate and you are not obliged to answer them. Bring your own questions about assessments, capital projects and the reserve fund.
The board's right to say no, and its limits
A co-op board may decline an applicant without giving a reason. The 2026 timeline law fixed the deadlines but did not require boards to state reasons. A separate bill that would require written reasons after a denial was still pending before the City Council as of mid-2026 and is not law. Treat any claim that it is in force as wrong until the Council enacts it.
What a board may never do is reject you for a protected characteristic. The New York State Human Rights Law applies to cooperative boards, and New York City's Human Rights Law adds further protections on top of it. Between them the protected categories include race, colour, national origin, creed, sex, sexual orientation, gender identity or expression, age, disability, marital and familial status, military status, immigration or citizenship status, and lawful source of income. That list is not exhaustive and it changes, so do not treat its absence of a category as permission. Lawful source of income matters directly if you are buying with a voucher or subsidy program.
If you believe a denial crossed that line, you can file with the New York State Division of Human Rights or, for a city building, the NYC Commission on Human Rights. New York extended the state filing window from one year to three years for discriminatory acts occurring on or after 15 February 2024; conduct before that date is still governed by the old one-year rule. Deadlines for a court action, and for the city and federal routes, are different again.Speak to an attorney early rather than relying on any summary of a limitation period, including this one.
Land leases and flip taxes
Some co-ops do not own the land under the building. They lease it. Ground rent resets periodically on appraisal, maintenance in those buildings tends to be higher, lenders look hard at how many years remain on the lease, and share values are exposed as the lease nears expiry. This is a day-one question, not a closing-table one.
A flip tax is a transfer fee the corporation charges when shares change hands. Some buildings charge a percentage of the price, others use a per-share or profit-based formula. It is customarily paid by the seller but it is negotiable, so read the contract.
Making your package strong
Submit complete. Keep large deposits explained in writing, and do not move money between accounts during the process. Get reference letters early, addressed to the board, specific and signed. Make sure the numbers on your financial statement match your actual statements. Keep your credit stable until closing. And retain your own real estate attorney at the offer stage, not after.