CID

CID is the standard abbreviation for Common Interest Development, the California legal classification defined in Civil Code Section 4100 for any residential community where owners share ownership interests in common areas and are required to be members of a homeowners association. California law recognizes four distinct types of CIDs: planned developments, where owners hold title to their individual lot and the association maintains shared common areas — the most common form for single-family and townhouse communities; condominium projects, where owners hold title to an airspace unit and an undivided interest in common elements like the building structure and amenities; stock cooperatives, where a corporation holds title to the property and residents own shares entitling them to occupy a specific unit; and community apartment projects, where owners hold an undivided interest in the entire property with an exclusive right to occupy a designated unit. All four types are governed by the Davis-Stirling Act and must comply with its requirements for board elections, open meetings, financial reporting, reserve studies, assessment collection, and dispute resolution. The CID designation is significant because it creates mandatory HOA membership recorded against the title, meaning the obligation to pay assessments and follow governing documents runs with the land and binds all future owners. California has over 50,000 CIDs housing approximately six million residents, making it the largest CID market in the United States. The abbreviation CID appears throughout California real estate law, regulatory filings, title reports, and Department of Real Estate documentation.