Do this today
- Keep the increase letter.
- Check whether your lease is still in term.
- Ask San Francisco Rent Board whether a local ordinance covers this address.
Does San Francisco cap rent increases?
Not as a national rule, and not as a rumor. Coverage is an address-and-housing-type question. The San Francisco Rent Board is the local forum for covered units. Ask them whether your unit is under the Rent Ordinance. Ask San Francisco Rent Board. Then read California Civil Code — hiring of real property for the California 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.
Is my San Francisco unit under rent control?
The Rent Board administers rent control and just-cause for many — not all — San Francisco units. Coverage is a unit question. The Department of Building Inspection handles conditions. Those two doors are not the same. Ask the Rent Board about this address before you treat a percentage as the cap.
The San Francisco layer
The San Francisco Rent Board is the local forum for covered units. Ask them whether your unit is under the Rent Ordinance.
California Civil Code — hiring of real property (Cal. Civ. Code §§ 1940 to 1954.06) is the California floor. We name it. We do not paraphrase a day-count or a dollar cap out of it.
San Francisco questions
Can my landlord in San Francisco raise the rent whenever they want?
Not while a fixed term is running, in most places — and some San Francisco units have extra local rules. The San Francisco Rent Board is the local forum for covered units. Ask them whether your unit is under the Rent Ordinance. Confirm coverage with San Francisco Rent Board.
Where do I check if my building is covered?
San Francisco Rent Board. Coverage is an address question. A neighbor’s building is not your building. California Civil Code — hiring of real property is still the California floor.
Is my San Francisco unit under rent control?
The Rent Board administers rent control and just-cause for many — not all — San Francisco units. Coverage is a unit question. The Department of Building Inspection handles conditions. Those two doors are not the same. Ask the Rent Board about this address before you treat a percentage as the cap.
What number should I call in San Francisco?
Danger: 911. Mental-health crisis: 988. City services: 311. Court papers: LawHelp.org the same day. San Francisco Rent Board 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