A common interest community is a residential development in which buying a home automatically makes you a member of an association, binds you to a set of recorded rules, and obligates you to pay a share of the cost of property everyone shares, such as roads, roofs, pools, or hallways. About 21.6 million owned households in the United States paid condominium or homeowners association fees in 2024, which makes this one of the most common forms of homeownership in the country.1U.S. Census Bureau. Nearly a Quarter of Homeowners Paid Condo or HOA Fees in 2024 The arrangement is a trade. You accept restrictions on how you use your property, and in exchange you get shared amenities, maintained common areas, and a degree of neighborhood consistency.
The Three Forms It Takes
What you actually own depends on which type of community you’re in.
In a planned community, the most common form, you own your house and the lot under it outright. A homeowners association holds title to the common areas, such as community parks, private roads, or a clubhouse, and manages them on behalf of all owners.
In a condominium, you own the interior of your unit, often described as the space from the walls inward. Everything else, including hallways, elevators, roofs, exterior walls, and grounds, is owned jointly by all unit owners as “common elements.” A condo association manages those shared parts.
In a cooperative, a corporation owns the entire property, land and buildings together. Instead of buying real estate directly, you buy shares in the corporation, which entitles you to a proprietary lease for a specific unit. The cooperative corporation handles maintenance and management of the whole property.
The categories are formally defined by a model law called the Uniform Common Interest Ownership Act, which some states have adopted and others have paralleled with their own statutes. The core concept is the same across all of them: owning a unit triggers an obligation to pay a share of expenses tied to the common elements.
The Rules That Come With the Deed
Every common interest community is controlled by a stack of legal documents, and they are binding on every owner. They also transfer automatically. When you buy a home in the community, you inherit the rules whether or not you negotiated them, because they are recorded against the land itself.
The documents sit in a hierarchy. Federal law, including the Fair Housing Act, sits at the top, followed by state CIC statutes and local ordinances. Below those are the community’s own documents, in this order:
- Recorded plat or plan. The map filed with the county that establishes property boundaries, unit dimensions, easements, and setback lines.
- Declaration (CC&Rs). The Declaration of Covenants, Conditions, and Restrictions is the primary governing document. It defines the boundary between individual and common property, grants the association its authority, sets out what owners can and cannot do with their property, and creates the obligation to pay assessments. CC&Rs are recorded in county land records and “run with the land,” which is why every future buyer is bound by them.
- Bylaws. The operational manual for the association itself: how directors are elected, how many serve, meeting and notice requirements, officer duties, voting procedures, and how the bylaws can be amended.
- Rules and regulations. The day-to-day layer, covering things like pool hours, parking, trash, pets, and architectural review for exterior changes. The board can usually adopt or amend these without a full owner vote, as long as they don’t conflict with anything above them.
When documents conflict, the higher-ranked one wins. A board rule that contradicts the CC&Rs is generally void, and a CC&R provision that violates federal or state law is unenforceable regardless of what it says.
Who Runs the Community
A common interest community is managed by an association, typically a nonprofit corporation under state law, run by a board of directors elected from among the homeowners. Many associations hire a professional management company to handle daily work, but the board keeps the decision-making authority.
Board members owe a fiduciary duty to the community. They must act in good faith, make informed decisions, disclose conflicts of interest, and put the community’s welfare ahead of personal preference. Courts generally evaluate board decisions under the business judgment rule, which means a court won’t second-guess a reasonable, informed, good-faith decision just because some owners disagree with the outcome. A board that ignores its own governing documents, lets common areas deteriorate, or steers decisions to benefit insiders can be held liable.
What You Pay, and What Happens If You Don’t
The money side is where most disputes arise and where the stakes for individual owners are highest.
Regular Assessments
Every owner pays regular assessments, essentially dues drawn from the association’s annual operating budget. These fund landscaping, insurance, utilities for common areas, management fees, and routine maintenance. The national median monthly fee in 2024 was $135, though the number varies widely depending on the type of community and the amenities involved.1U.S. Census Bureau. Nearly a Quarter of Homeowners Paid Condo or HOA Fees in 2024
Special Assessments
A special assessment is a one-time charge the association can impose when an expense arises that the regular budget and reserves can’t cover: storm damage, a major roof replacement, a failed elevator. These can be substantial. A community with poorly funded reserves can hit owners with five-figure special assessments on relatively short notice.
Reserve Funds
A well-run association keeps a reserve fund, money set aside for predictable major expenses such as repaving, roof replacement, or rebuilding pool decks. A professional reserve study analyzes the condition and expected lifespan of each major common element and calculates how much the association should save each year. Some states require periodic reserve studies; others leave it to the board. Underfunded reserves are one of the most consequential problems in CIC governance, because deferred maintenance compounds. A $50,000 sealcoating job becomes a $300,000 repaving project, and the cost eventually lands on owners through a special assessment.
Liens and Foreclosure
If you don’t pay, the sequence is predictable. The association charges late fees and interest, then places a lien on your property for the unpaid amount. In roughly half the states, associations have what’s known as a “super lien,” which gives a portion of the unpaid assessments priority over even a first mortgage in a foreclosure sale. In many states, the association can eventually foreclose on the lien and force the sale of your home over unpaid dues. This is one of the most serious consequences of common interest community ownership, and it catches people off guard.
What You Can and Can’t Be Required to Do
Your core obligation is paying assessments on time. Beyond that, you must comply with the CC&Rs and the association’s rules. If the CC&Rs prohibit above-ground pools or require architectural review before you paint your front door, those restrictions apply the moment you close. Compliance is a condition of ownership baked into the deed.
In exchange, you have rights. You can vote in board elections and on major community decisions, such as amending the CC&Rs or approving large special assessments. You can attend board meetings, though boards can close sessions for sensitive matters like pending litigation or personnel. You can inspect the association’s financial records, including the budget, bank statements, and reserve study. And you can use the common areas under the established rules. If the board adopts a rule you believe exceeds its authority or conflicts with the CC&Rs, you can challenge it, typically starting at a board meeting and escalating from there.
Where the Rules Stop: Fair Housing
An association’s authority is not unlimited. The federal Fair Housing Act applies to community associations, and an association cannot adopt or enforce rules that discriminate based on race, color, religion, sex, national origin, familial status, or disability.2Office of the Law Revision Counsel. 42 USC 3604 – Discrimination in the Sale or Rental of Housing This comes up most often around familial status and disability. A rule singling out children, such as banning them from common areas during certain hours, risks violating the law even if the intent is safety-related. When an owner with a disability requests a reasonable accommodation, such as permission to keep a service animal despite a no-pets policy, the association generally must grant it unless doing so would create an undue burden. Retaliation against owners who file fair housing complaints is also prohibited.
What to Review Before You Buy
Most states require the seller or association to provide a disclosure package or resale certificate before a sale closes. A complete package typically includes the CC&Rs, bylaws, rules and regulations, the current operating budget, recent financial statements, the reserve study, insurance information, and a statement of any outstanding assessments or violations tied to the specific unit. Some states give buyers a cancellation period after they receive these documents, so a deal-breaking finding can let you back out.
Focus your review on a few things:
- Reserve study and fund balance. Check the percent funded figure. An association below 50% funded is at elevated risk of a near-term special assessment.
- Budget and assessment history. Look at whether assessments have been climbing steadily and whether the current budget looks realistic for the property’s age and condition.
- Pending litigation and judgments. Lawsuits against the association can signal governance problems and future costs.
- Outstanding violations on the unit. Unpaid fines or unresolved violations from the previous owner can sometimes follow the property.
- Insurance coverage. Understand what the association’s master policy covers and what you must insure yourself. In a condo, the association typically insures the building structure while you insure everything from the walls inward.
- CC&R restrictions. Read these with your actual plans in mind. If you want to rent the unit, run a home business, or build a fence, confirm the CC&Rs allow it before you buy.
When You Disagree With the Board
Disagreements are common, from denied architectural approvals to fine disputes to complaints that the board isn’t maintaining common areas. Most governing documents include an internal process for addressing violations that involves written notice, an opportunity to be heard, and potential consequences like fines or suspension of amenity access. About fifteen states have statutes that either require or formally encourage mediation or arbitration before either side can file a lawsuit, and some have created dedicated agencies to handle these disputes. Court remains available when other methods fail.