The difference between a co-op and a condo comes down to what you actually own: a condominium gives you a deed to your unit and a fractional interest in the common areas, while a cooperative gives you shares in a corporation that owns the whole building, plus a lease letting you live in a specific apartment. That single distinction reshapes financing, board power, monthly costs, taxes, and how easily you can sell or rent. Both structures pool residents to pay for lobbies, roofs, and elevators no individual would maintain alone, but the legal and financial consequences of each model are different enough that picking one without understanding those differences can cost real money.
What You Actually Own
In a condominium, you hold fee simple title to your individual unit, the same type of ownership you’d have in a detached house, recorded through a deed filed with local land records. Alongside that deed you automatically hold an undivided fractional interest in the common elements: hallways, roof, lobby, structural walls, elevators, and grounds. Your percentage is spelled out in the condominium declaration and typically determines your share of building expenses and your voting weight in association decisions. Because you own real property, your unit can be independently assessed for property taxes, mortgaged with a traditional home loan, and transferred without a board’s direct say in who buys it.
In a cooperative, a corporation holds the deed to the entire property. You don’t own your apartment. You own shares of stock in that corporation, typically evidenced by a stock certificate, and those shares come with a proprietary lease that gives you the right to live in a specific unit. Because you hold stock rather than real property, disputes between you and the building are governed primarily by corporate law and the terms of the lease rather than traditional real estate law. Your ownership interest is classified as personal property, not real property, even though you’re living in a physical apartment.
For the corporation to pass along favorable federal tax treatment to its shareholders, it has to meet specific requirements: only one class of stock, at least 80 percent of gross income from tenant-shareholders (or at least 80 percent of square footage used for residential purposes), and no shareholder distributions except during a liquidation.1Office of the Law Revision Counsel. 26 USC 216 – Deduction of Taxes, Interest, and Business Depreciation by Cooperative Housing Corporation Tenant-Stockholder If the corporation fails those tests, shareholders lose access to property tax and mortgage interest deductions.
How Much Power the Board Has Over You
Both structures are run by elected boards, but a co-op board’s authority is substantially broader, and that gap is one of the biggest practical distinctions between the two.
A cooperative’s board of directors operates under corporate bylaws and controls nearly everything: who gets to buy in, whether you can sublet, what renovations you can make, and sometimes whether you can have a pet. The board manages the corporation’s assets, sets budgets, enforces house rules, and can levy fines or pursue legal action against shareholders who violate them. Because the corporation owns the building and you merely lease your unit from it, the board’s power over individual shareholders is closer to a landlord’s power over tenants than to a neighbor’s power over another neighbor.
A condominium’s board of managers (sometimes called a board of directors, depending on the state) has more limited reach. It manages common elements and shared finances, but individual units belong to their owners. The board can set rules governing common areas, enforce maintenance standards for building exteriors, and collect assessments, but it generally cannot dictate what you do inside your own unit beyond what the governing documents and local law allow. That matters if you value autonomy.
Both boards get the benefit of the business judgment rule when they act in good faith. Courts will defer to a board’s decision as long as it acted with reasonable care and an honest belief that the decision served the building’s interests. A resident challenging a board action has to show gross negligence, bad faith, or a conflict of interest to overcome that presumption.
What You Pay Each Month
In a cooperative, your monthly payment is called maintenance. It covers building operating expenses like staffing, insurance, and common-area utilities, plus your proportionate share of the building’s real estate taxes and the debt service on the corporation’s underlying mortgage.2Fannie Mae Multifamily Guide. Cooperative Maintenance Fee
That underlying mortgage piece deserves attention. Because the corporation borrowed against the entire building, every shareholder’s monthly maintenance helps service that debt. If enough shareholders stop paying and the corporation can’t meet its mortgage obligations, the lender can foreclose on the entire property, and shareholders who paid every bill on time can still lose their homes. Their proprietary leases get cancelled, and they revert to being ordinary tenants of whoever acquires the building. The lender can’t come after individual shareholders personally for the mortgage debt, but the practical result is devastating regardless.
Condominium owners pay common charges, which cover shared costs like building insurance, maintenance of common areas, management fees, and reserve contributions. These charges do not include your property taxes or your personal mortgage payment; you pay those directly to the taxing authority and your lender. Your financial exposure to your neighbors is therefore more limited. If the unit next door goes into tax delinquency, that doesn’t threaten your ownership.
Both structures use special assessments to fund large capital projects that exceed the reserve fund, like replacing a roof, upgrading an elevator, or repairing a facade. Failing to pay an assessment can result in a lien against your unit or shares. In roughly half the states, a condominium association’s lien for unpaid assessments carries a limited “super lien” priority, meaning a portion of the delinquent amount, typically around six months of assessments, jumps ahead of even a first mortgage in foreclosure.
When evaluating any building, ask for the most recent reserve study and compare the fund balance to upcoming capital needs. A building with a thin reserve and an aging boiler is a building where a five-figure assessment is just a matter of time.
Getting a Loan
Buying a condominium works like buying a house. You get a traditional mortgage secured by real property, shop rates from any lender, and generally face familiar qualification standards. The main wrinkle is that the project itself may need approval from the insurer or guarantor backing your loan. For an FHA-insured loan, the project must meet specific thresholds: at least 50 percent of units owner-occupied (as low as 35 percent if the project meets enhanced financial requirements), no more than 10 percent of units seriously delinquent on association fees, and adequately funded reserve accounts.3U.S. Department of Housing and Urban Development. Mortgagee Letter 2016-15 If the project fails those tests, you’ll need conventional financing, which may require a larger down payment.
Financing a cooperative is more complicated. Because you don’t own real property, you can’t get a traditional mortgage. Instead you get a share loan, secured by your stock certificate and your rights under the proprietary lease.4Fannie Mae. Legal Requirements for Co-op Projects Fewer lenders offer share loans, which limits competition and can mean higher down payment requirements or stricter credit standards. On top of that, both the lender and the co-op board must approve your purchase, so you’re clearing two hurdles instead of one.
The building’s existing debt also matters more for co-op buyers. Fannie Mae limits the proportionate share of project debt attributable to each unit; the share of building debt tied to your loan can’t exceed 35 percent of the combined value of that debt and your equity interest, or 40 percent with strong compensating factors.4Fannie Mae. Legal Requirements for Co-op Projects A building with a large underlying mortgage leaves less room for individual financing.
Getting Approved to Buy (and to Sell)
The co-op board package is one of the more intimidating parts of buying into a cooperative. You submit a detailed application including tax returns, bank statements, employment verification, and personal references. The board reviews your finances, conducts a formal interview, and votes on whether to admit you. Boards typically look for a comfortable debt-to-income ratio and enough liquid reserves to cover months of maintenance, though specific thresholds vary by building. The process routinely takes two to four months.
What makes it unusual is the board’s near-absolute discretion to reject applicants. A co-op board can turn you down for financial reasons, personality concerns, or a vague sense that you’re not a good fit, as long as the rejection isn’t based on a protected characteristic under fair housing law. Boards are not required to explain their reasoning, which makes rejections difficult to challenge. That’s the tradeoff for the community control co-op shareholders prize: you get a say in who your neighbors are, but when you sell, your buyer faces the same gauntlet.
Condominiums use a different mechanism. Most condo governing documents give the association a right of first refusal rather than blanket approval power. When you sell, the board reviews the buyer’s application and must either approve the sale or purchase the unit itself on the same terms the outside buyer offered. Since few associations have the capital to buy units, this right almost never gets exercised, and condo sales close faster as a result.
Co-op sellers should also budget for a flip tax, a transfer fee charged by the building, typically ranging from 1 to 3 percent of the sale price, with the proceeds going to the corporation’s reserve fund. Despite the name, it isn’t a government tax; it’s a private fee set by the building’s governing documents. The seller usually pays it, though this is sometimes negotiable. Condominiums occasionally charge transfer fees as well, but they tend to be smaller flat fees rather than percentage-based charges.
Taxes at Filing Time
Condominium owners claim the same tax deductions as any homeowner: mortgage interest on their individual loan and real estate taxes on their unit, both subject to applicable limits. The mechanics are straightforward because you deal directly with your lender and your taxing authority.
Cooperative shareholders reach the same deductions through a different route. Because the corporation pays the real estate taxes and services the underlying mortgage, shareholders deduct their proportionate share of those corporate-level payments rather than paying taxes and interest directly. The IRS allows this deduction as long as the corporation qualifies as a cooperative housing corporation under the tests described above.1Office of the Law Revision Counsel. 26 USC 216 – Deduction of Taxes, Interest, and Business Depreciation by Cooperative Housing Corporation Tenant-Stockholder Your share is calculated by dividing your shares by total outstanding shares and multiplying by the corporation’s deductible real estate taxes or interest, though the corporation can elect an alternative allocation method that reflects unit-specific costs.5Internal Revenue Service. Publication 530, Tax Information for Homeowners
Both types of owners are affected by the state and local tax (SALT) deduction cap. For 2026, the cap is $40,000 for most filers, phasing out for those with modified adjusted gross income above $500,000 and reverting to $10,000 at $600,000 and above. For cooperative shareholders in high-tax areas, this cap can limit the benefit of the property tax deduction passed through from the corporation.
When you sell, both co-op and condo owners can exclude up to $250,000 in capital gains ($500,000 for married couples filing jointly) if they owned and used the home as a principal residence for at least two of the five years before the sale.6Office of the Law Revision Counsel. 26 USC 121 – Exclusion of Gain From Sale of Principal Residence The IRS explicitly treats cooperative apartments as qualifying property for this exclusion.7Internal Revenue Service. Publication 523, Selling Your Home For co-op shareholders, the ownership period runs from when you acquired the shares, and the use period runs from when you actually lived in the unit.
Renting Out Your Unit
Co-op boards control subletting tightly, and the restrictions vary enormously from building to building. Many cooperatives require you to live in the unit for one to three years before you can sublet at all. When subletting is permitted, it’s often limited to a maximum of two years out of every five, with a minimum lease term of one year to prevent short-term rentals. The board typically must approve the subtenant, and some buildings charge a sublet fee or increase the shareholder’s maintenance during the sublet period. A handful of co-ops prohibit subletting entirely.
Condominium owners have more freedom, but it isn’t unlimited. Many condo associations restrict or prohibit short-term rentals through their governing documents. Enforceability depends on how clearly the association’s covenants address the issue; vague or outdated language can be difficult to enforce. Associations looking to add or strengthen rental restrictions usually need a supermajority vote of the owners to amend the governing documents, which is a high bar. State and local laws sometimes complicate things further by either protecting an owner’s right to rent or imposing their own short-term rental bans that the association must navigate.
If you’re buying with any thought of eventually renting, read the governing documents before you commit. Discovering after closing that you can’t rent your unit when you need to relocate is an expensive surprise.
Insurance You’ll Still Need to Buy
Both co-ops and condos maintain a master insurance policy that covers the building’s structure, common areas, and shared systems: roof, exterior walls, foundation, hallways, elevators, lobbies, and shared mechanical systems, along with general liability coverage for injuries in common spaces.
What the master policy doesn’t cover is the interior of your unit, your personal belongings, and your personal liability. That’s where an individual unit owner’s policy, commonly called an HO-6 policy, comes in. The exact boundary between the two depends on the type of master policy the building carries. Under a “bare walls” master policy, nothing inside individual units is covered, so your HO-6 must protect drywall, flooring, cabinets, fixtures, and appliances in addition to your personal belongings. Under an “all-in” master policy, the building’s coverage extends to some original interior finishes, so your HO-6 may only need to cover improvements, upgrades, and personal property.
Two coverage gaps catch owners off guard. Standard HO-6 policies exclude flood, earthquake, and sewer backup damage; each requires a separate endorsement. And if a covered event damages common areas and the association’s master policy deductible is high, the board may assess individual owners for their share of that deductible. Loss assessment coverage, available as part of or an add-on to your HO-6 policy, helps cover those charges.
Fair Housing Limits on Board Discretion
The wide latitude co-op boards enjoy still stops at federal civil rights law. The Fair Housing Act prohibits discrimination in housing based on race, color, religion, sex, national origin, familial status, and disability, and it applies to both cooperatives and condominiums.8Office of the Law Revision Counsel. 42 USC 3604 – Discrimination in the Sale or Rental of Housing and Other Prohibited Practices Federal guidance also treats discrimination based on sexual orientation and gender identity as sex discrimination under the Act. A co-op board can reject an applicant for financial instability or poor references, but rejecting someone because they have children, use a wheelchair, or belong to a particular ethnic group violates federal law.
Occupancy restrictions deserve special attention. HUD’s longstanding guidance treats a standard of two people per bedroom as generally reasonable under the Fair Housing Act, though the actual analysis depends on the size and layout of the specific unit.9U.S. Department of Housing and Urban Development. Public Housing Occupancy Guidebook A blanket rule of “one person per bedroom” in a building full of two-bedroom apartments would likely face scrutiny as disproportionately excluding families with children.
Most states add additional protected classes beyond the federal seven. Some protect source of income (preventing boards from rejecting voucher holders), age, marital status, or immigration status. If you believe a board rejected you for a discriminatory reason, you can file a complaint with HUD or your state’s fair housing agency. The burden of proving discrimination falls on the complainant, but the co-op board’s refusal to explain its rejection, while legally permissible, can itself become circumstantial evidence if a pattern emerges.