Rental Property Rules in St. Louis County, MO (2026)
2 county-level rules, plus city-specific rules for 1 city in St. Louis County, Missouri.
Verified from official government sources
Rental Registration
Before renting or selling residential property in unincorporated St. Louis County, owners, agents, brokers, attorneys, and property managers must give written notice that the unit is subject to the county's occupancy and re-occupancy permit system. Section 1110.1045 requires this disclosure before any lease or sale contract is signed, or before the rental itself if no written contract exists.
St. Louis County Rental Disclosure Requirement
Some RestrictionsSt. Louis County Code § 1110.1045
Every person who conveys or rents property, and every real estate agent or broker, attorney, or person acting on behalf of a person who conveys or rents property, shall disclose in writing to the person(s) or entity(ies) to whom the property is being conveyed or rented that the property is subject to the requirements of this chapter and that occupancy and re-occupancy permits shall be required ...
Repairs & Habitability
Landlords in unincorporated St. Louis County must keep rented dwellings, rooming units and guest rooms at 68 degrees Fahrenheit from October 1 through May 15 under Property Maintenance Code Section 602.3, with heat excused only when the furnace is already running at full design capacity in extreme cold. The same chapter requires two receptacle outlets per habitable room and GFCI protection in bathrooms and laundry areas.
St. Louis County Rental Heat and Habitability Rules
Some RestrictionsSt. Louis County Code § 1110.600 (Property Maintenance Code §§ 602.3, 605.2)
602.3 Heat Supply. Every owner and operator of any building who rents, leases or lets one or more dwelling units, rooming units, dormitory or guestroom on terms, either expressed or implied, to furnish heat to the occupants thereof shall supply heat during the period from October 1 to May 15 to maintain a temperature of not less than 68 degrees F (20 degrees C) in all habitable rooms, bathrooms...
Rental Property Rules by City in St. Louis County
1 cities in St. Louis County have their own rental property rules rules. Each link goes to that city's dedicated page with code citations.
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