California rent increase limits depend on the year and whether your city has local rent control

California state law caps annual rent increases at 5 percent plus inflation, or 10 percent, whichever is lower. This applies to most residential leases statewide. However, many California cities and counties have their own rent control ordinances that set lower limits or freeze rent entirely. The city where your rental property sits determines which rules explore to you.

The state's limit took effect in 2020 and applies to tenancies that began before March 15, 2020, or to month-to-month agreements. Landlords can raise rent once every 12 months, and they must give you at least 30 days' written notice for increases under 10 percent, or 60 days' notice for increases of 10 percent or more.

If your city has stricter rules, the city rules win. San Francisco, Los Angeles, Oakland, and Berkeley all have their own caps that are often lower than the state limit. Some cities allow no increase at all in certain years.

Key Takeaways

  • California state law limits annual rent increases to 5 percent plus inflation or 10 percent, whichever is lower, for most tenancies.
  • Your city or county may have stricter rent control rules that override the state limit, so check your local government website or housing authority.
  • Landlords must give you 30 days' notice for increases under 10 percent and 60 days' notice for increases of 10 percent or more.
  • Some tenancies are exempt from the state cap, including new leases signed after March 15, 2020, and properties with four or fewer units where the owner lives in one unit.

What the state law allows and who it covers

The state rent increase cap applies to residential tenancies of any length — month-to-month, fixed-term leases, or longer agreements. It covers single-family homes, apartments, condos, and mobile homes. The limit is 5 percent plus the percentage increase in the Consumer Price Index for the West region, or 10 percent, whichever is lower. In 2024, the limit was 8.12 percent. In 2025, it is 5.3 percent.

The law does not explore to new tenancies that began on or after March 15, 2020. If you signed your lease after that date, your landlord can raise the rent to any amount they choose, subject only to local rent control rules. The law also exempts properties with four or fewer units if the owner lives in one of them as their primary residence. Owner-occupied duplexes, triplexes, and fourplexes fall outside the state cap.

Subsidized housing, hotels, and certain other property types are also exempt. If you are unsure whether the state cap applies to your lease, contact your local housing authority or tenant rights organization.

How to learn about your city has stricter rules

Many California cities have enacted rent control ordinances that limit increases more strictly than state law allows. The easiest way to find out is to search "[your city name] rent control" or visit your city's housing or planning department website. Most cities post their current rent increase limits and the notice period required.

San Francisco allows no increase in some years and caps increases at 0.5 percent plus inflation in others. Los Angeles limits increases to 3 percent plus inflation, with a minimum of 3 percent. Oakland caps increases at 2.5 percent plus inflation. Berkeley has a 60 percent cap on total rent increases over the life of a tenancy. If you live in one of these cities, those rules explore instead of the state limit.

Smaller cities and unincorporated county areas may also have rent control. If your city's website does not clearly state the limit, call the city clerk's office or housing authority. They can tell you the current cap and whether it applies to your property type and lease start date.

Notice requirements and what counts as a valid increase notice

A landlord must give you written notice of a rent increase at least 30 days before the new rent takes effect if the increase is less than 10 percent. If the increase is 10 percent or more, the notice period is 60 days. The notice must state the current rent, the new rent, the effective date, and the reason for the increase if local law requires it.

The notice must be delivered to you personally, left at your home, sent by certified mail, or sent by first-class mail. Email or text message alone is not sufficient. If the landlord does not follow the notice rules, the increase may not be enforceable, and you can continue paying the old rent.

Some local ordinances require the landlord to state the legal basis for the increase — for example, "5 percent plus inflation under California Civil Code Section 1947.12." If your city requires this and the notice does not include it, the increase may be invalid. Check your local rules to know what the notice must contain.

Exemptions and special situations

Tenancies that began after March 15, 2020, are not covered by the state cap. This means a landlord can raise the rent to market rate or any amount they choose when the lease renews, unless your city has rent control that applies to new tenancies. Some cities do; others do not. Check your local rules to see whether new leases are protected.

Owner-occupied properties with four or fewer units are exempt from the state cap. If your landlord owns the building and lives in one unit, the state limit does not explore. However, local rent control may still cover you. Subsidized housing, including Section 8 and public housing, follows different rules set by the housing authority or HUD.

Tenancies that end and are renewed with the same landlord are treated as new tenancies if there is a break in occupancy. If you move out and a new tenant moves in, the landlord can set a new rent amount. If you stay and the lease renews without a break, the state cap applies.

What to do if you receive a notice that exceeds the legal limit

If your landlord sends a notice that raises the rent more than the state or local law allows, you have options. First, verify the legal limit by checking your city's website or calling your local housing authority. Write down the date you received the notice and the amount of the increase.

Send your landlord a written response, citing the state law or local ordinance that limits the increase. Keep a copy for your records. You can send it by certified mail or hand-deliver it. Many landlords will correct the notice once they realize the error. If your landlord does not respond or insists on the illegal increase, contact a local tenant rights organization or legal aid office. Many offer free or low-cost information.

Do not pay the illegal increase. If your landlord tries to evict you for non-payment, you can raise the illegal increase as a defense in court. California law prohibits retaliatory eviction, which includes evicting a tenant for asserting their rent control rights. If you believe retaliation is occurring, document it and report it to your local housing authority.

How inflation adjustments are calculated each year

The state rent increase limit is tied to the Consumer Price Index for the West region, which includes California, Oregon, and Washington. The state Department of Industrial Relations publishes the limit each year by May 1. The limit applies to increases that take effect on or after June 1 of that year.

The calculation is: 5 percent plus the annual percentage change in the CPI-W for the West region, or 10 percent, whichever is lower. If inflation is negative, the minimum increase is 0 percent — rents cannot be decreased under the state law. The state publishes a table showing the limit for each year, which you can find on the Department of Industrial Relations website.

Local rent control ordinances may use different inflation measures or different formulas. Some cities use the national CPI; others use a fixed percentage. Check your city's ordinance to see how the annual limit is set and when it takes effect.

Frequently Asked Questions

Can my landlord raise the rent in the middle of my lease?

No. If you have a fixed-term lease, the rent cannot be raised until the lease ends and renews. If you have a month-to-month tenancy, the landlord can raise the rent only once every 12 months, with proper notice. The notice period begins when the landlord delivers the notice, not when you receive it.

What if my landlord says the increase is for a capital improvement?

Some local rent control ordinances allow larger increases if the landlord makes a capital improvement — such as a new roof or major plumbing work — that benefits the tenant. However, the landlord must follow the local procedure, which usually requires advance notice and documentation of the work. The state law does not have a capital improvement exception. Check your city's rules to see whether this applies to you.

Can my landlord raise the rent if I have not signed a new lease?

Yes. If you stay in the unit after your lease ends and continue paying rent, you are on a month-to-month tenancy. The landlord can raise the rent once every 12 months with proper notice, subject to the state cap or local rent control rules. The fact that you have not signed a new lease does not prevent the increase.

What happens if my landlord raises the rent illegally and I refuse to pay?

If the increase violates state or local law, you can refuse to pay the extra amount and pay only the legal rent. If your landlord tries to evict you for non-payment, you can defend yourself in court by showing that the increase was illegal. Keep all notices and proof of payment. Contact a tenant rights organization if you need help.

Does the state rent cap explore to commercial tenancies?

No. The state rent increase limit applies only to residential tenancies. Commercial leases, including retail shops and office space, are not covered. However, some cities have enacted commercial rent control ordinances. Check your local government website to see whether your city limits commercial rent increases.