Chicago, Ill., Mun. Code ch. 5-12 § 5-12-030
Definitions (Chicago Residential Landlord and Tenant Ordinance (RLTO))
Operative Text
Whenever used in this chapter, the following words and phrases shall have the following meanings: (a) "Dwelling unit" means a structure or the part of a structure that is used as a home, residence or sleeping place by one or more persons who maintain a household, together with the common areas, land and appurtenant buildings thereto, and all housing services, privileges, furnishings and facilities supplied in connection with the use or occupancy thereof, including garage and parking facilities. (b) "Landlord" means the owner, agent, lessor or sublessor, or the successor in interest of any of them, of a dwelling unit or the building of which it is part. (c) "Owner" means one or more persons, jointly or severally, in whom is vested all or part of the legal title to property, or all or part of the beneficial ownership and a right to present use and enjoyment of the premises, including a mortgagee in possession. (d) "Periodic tenancy" means a tenancy that continues for successive periods, whether month-to-month or otherwise, unless the landlord or tenant takes affirmative action to terminate the tenancy pursuant to this section. (e) "Person" means an individual, corporation, government, governmental subdivision or agency, business trust, estate, trust, partnership or association or any other legal or commercial entity. (f) "Premises" means the dwelling unit and the structure of which it is a part, and facilities and appurtenances therein, and grounds, areas and facilities held out for the use of tenants. (g) "Rent" means any consideration, including any payment, bonus, benefits or gratuity, demanded or received by a landlord for or in connection with the use or occupancy of a dwelling unit. (h) "Rental agreement" means all written or oral agreements embodying the terms and conditions concerning the use and occupancy of a dwelling unit by a tenant. (i) "Successor landlord" means any person who follows a landlord in ownership or control of a dwelling unit or the building of which it is part, and shall include a lienholder who takes ownership or control either by contract, operation of law or a court order. However, a "successor landlord" shall not include a receiver appointed pursuant to a court order. (j) "Tenant" means a person entitled by written or oral agreement, subtenancy approved by the landlord or by sufferance, to occupy a dwelling unit to the exclusion of others. (Prior code § 193.1-3; Added Coun. J. 9-8-86, p. 33771; Corrected. 9-12-86, p. 33919; Amend Coun. J. 11-6-91, p. 7196; Amend Coun. J. 5-12-10, p. 91084, § 1; Amend Coun. J. 7-22-20, p. 18933, § 2)
Chicago, Ill., Mun. Code ch. 5-12 § 5-12-030 establishes the foundational vocabulary for Chicago's Residential Landlord and Tenant Ordinance by defining key terms such as "dwelling unit," "landlord," "tenant," "rent," and "rental agreement." These definitions determine who and what falls within the ordinance's scope, shaping how every other provision in Chapter 5-12 is interpreted and applied. For example, the definition of "rent" is broad enough to include payments, bonuses, and gratuities—not just monthly rent checks—while "landlord" extends to agents, sublessors, and successors in interest.
Plain English — not legal advice.
Property owners and managers operating in Chicago should be aware that § 5-12-030 defines "landlord" broadly to include not only direct owners but also agents, sublessors, and successors in interest, meaning that responsibility under Chapter 5-12 can follow a change in ownership or management. The definition of "dwelling unit" encompasses common areas, parking, and other appurtenant facilities, so compliant operators generally ensure that all such spaces meet the ordinance's standards. Understanding these definitions helps operators correctly identify which relationships and properties are governed by Chicago, Ill., Mun. Code ch. 5-12 § 5-12-030 and the rest of Chapter 5-12.
General guidance for property managers — not legal advice for your specific situation. Consult an attorney for advice on your case.
Under Chicago, Ill., Mun. Code ch. 5-12 § 5-12-030, a "tenant" includes anyone entitled by written or oral agreement—or even by sufferance—to occupy a dwelling unit to the exclusion of others, which means informal arrangements may still carry protections under Chapter 5-12. The broad definition of "rent" means that payments beyond a standard monthly check, such as bonuses or gratuities demanded by a landlord, could fall within the ordinance's coverage. Tenants who believe a landlord's conduct implicates these definitions may find it useful to consult a tenant-rights organization or review complaints processes available through the Chicago Department of Housing.
General guidance for tenants — not legal advice for your specific situation. Consult a tenant-rights organization or attorney for advice on your case.
Generated September 18, 2026 — auto-generated, not yet human-reviewed. See /transparency for methodology.
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