Do this today
- Keep the increase letter.
- Check whether your lease is still in term.
- Ask St. Louis Building Division whether a local ordinance covers this address.
Does St. Louis cap rent increases?
Not as a national rule, and not as a rumor. Coverage is an address-and-housing-type question. City of St. Louis and St. Louis County are separate. Use the City stack only if the unit is in the City. Ask St. Louis Building Division. Then read Missouri landlord and tenant statutes for the Missouri floor.
What if I am still in a lease term?
A lease still in term is not the same as month-to-month. The letter in your hand may be a renewal offer, a notice, or something that does not apply yet. Keep it. Do not treat a blog percentage as the law.
City of St. Louis or St. Louis County?
They are separate governments. A County ordinance or court is the wrong stack for a City address. Missouri statutes are the floor. The City Building Division inspects many conditions inside the City.
The St. Louis layer
City of St. Louis and St. Louis County are separate. Use the City stack only if the unit is in the City.
Missouri landlord and tenant statutes (Mo. Rev. Stat. §§ 441.005 to 441.920) is the Missouri floor. We name it. We do not paraphrase a day-count or a dollar cap out of it.
St. Louis questions
Can my landlord in St. Louis raise the rent whenever they want?
Not while a fixed term is running, in most places — and some St. Louis units have extra local rules. City of St. Louis and St. Louis County are separate. Use the City stack only if the unit is in the City. Confirm coverage with St. Louis Building Division.
Where do I check if my building is covered?
St. Louis Building Division. Coverage is an address question. A neighbor’s building is not your building. Missouri landlord and tenant statutes is still the Missouri floor.
City of St. Louis or St. Louis County?
They are separate governments. A County ordinance or court is the wrong stack for a City address. Missouri statutes are the floor. The City Building Division inspects many conditions inside the City.
What number should I call in St. Louis?
Danger: 911. Mental-health crisis: 988. City services: 311. Court papers: LawHelp.org the same day. St. Louis Building Division does not replace legal aid when a case is filed.
National answers on this desk
Last reviewed 8 September 2026. Legal information, not legal advice. Not a law firm. hello@renterprotection.org