A homeowner association can impose rules and collect payments from people who never negotiated with it. That authority comes from documents attached to the property itself.
The governing documents run with the land
When a development is created, the developer records a declaration setting out restrictions, obligations and the association's powers over every parcel within it.
Because the declaration is recorded against the land, it binds whoever owns the parcel afterward, regardless of whether they read it or agreed to it individually.
Buying inside the development is therefore the act of consent. There is no separate agreement, and no mechanism for one owner to opt out.
Assessments fund shared obligations
Associations maintain property that no individual owner controls, such as private roads, shared landscaping, drainage systems and recreation facilities.
Regular assessments cover operating costs, and reserve contributions accumulate against future replacement of expensive components such as roofs or paving.
An association that underfunds its reserves defers the cost rather than avoiding it, which is why special assessments appear when a large item finally fails.
Rules and their enforcement are separate questions
Some restrictions sit in the recorded declaration and are difficult to change. Others are rules adopted by the board under authority the declaration grants.
The distinction matters because the two have different amendment procedures, and a rule exceeding the authority the declaration confers can be challenged.
Enforcement usually proceeds through notice, fines and eventually legal action, with the specific escalation set out in the documents rather than improvised.
Boards are volunteers with real duties
Boards are typically elected from among owners and serve without pay, while carrying legal duties to act in the association's interest and to follow its own procedures.
Many contract a professional management company for day-to-day administration, though the board retains decision-making authority and responsibility.
Turnout in association elections is often very low, which means a small number of participating owners can determine outcomes affecting everyone.
Disclosure happens before closing
Prospective buyers are generally entitled to review the governing documents, budget and reserve position before completing a purchase.
Those materials reveal the assessment level, any pending litigation and whether reserves are adequate, all of which affect the true cost of owning there.
Requirements differ substantially between states, and anyone evaluating a specific association should confirm the applicable rules locally.