Common interest development (CID) is the legal umbrella term most state statutes use to cover any community where individual owners hold private property but also share ownership or responsibility for common areas — pools, landscaping, shared roofs, roads, or amenities. HOAs, condominiums, cooperatives, and planned unit developments all typically fall under this single legal category, even though they look different day to day.
Builders and boards will run into this term directly in state HOA law — statutes are often titled around "common interest development" rather than "HOA," so recognizing it matters even if your own documents use more familiar language like homeowners association.
Because CID status is what triggers most of the legal requirements builders and boards deal with — disclosure obligations, assessment authority, the recording of Covenants, Conditions and Restrictions (CC&Rs), and the statutory framework governing turnover. A project that qualifies as a CID under state law is subject to that state's CID-specific statute, regardless of what the builder or board calls it internally.
Builders developing in a new state should confirm how that state defines and regulates common interest developments early, since the requirements — and the terminology used in local statutes — can differ meaningfully from what they're used to elsewhere.
Larger developments are sometimes structured as multiple CIDs under a master association — an umbrella HOA that governs shared infrastructure or amenities across several sub-communities, each of which may itself be its own CID with its own board and CC&Rs. Builders planning a phased or multi-community project often need to think through this structure early, since it affects everything from budgeting to how turnover happens across the different layers of governance.
