From Aug 1, 2026 to Jul 31, 2027: 5% plus local inflation (3.8%), never more than 10%.
From Antioch Mun. Code ch. 11-1, read Oct 4, 2026.Show the law
“The amount of any rent increase may be no more than 3% or 60% of the most recent 12-month percent change in the Consumer Price Index for All Urban Consumers in the San Francisco-Oakland-Hayward Area ("CPI") published by the Bureau of Labor Statistics, whichever is less …”
Newer buildings and many houses follow California's limit instead: 5% plus local inflation, never more than 10% a year. In the San Francisco Bay Area that is 8.8% until Jul 31, 2027. Your address tells us which one applies.
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State law applies here too. Where both cover a rental, the stricter city rule usually wins; each rule below says so.
Antioch lawDepends on the building
Antioch Rent Stabilization Ordinance (RSO)
How much can my rent go up?
Max 3%, or less if inflation is low.
Rent can go up only once in 12 months, and 60% of inflation may be lower.
Depends on the year the building was built.
Who it covers
Buildings with a first certificate of occupancy on or before Feb 1, 1995.
Covers: Units with a certificate of occupancy on or before Feb 1, 1995 that share a parcel with another dwelling unit.
Exemptions: CO first issued after Feb 1, 1995; single-family homes without another unit on the parcel and separately saleable units (condos/co-ops); public-agency units; units exempt by law; mobile homes in parks; hotels/short-term rentals; institutional facilities; landlord/family-occupied units; units sharing bath/kitchen with landlord's residence.
In force since
Nov 11, 2022
The law, word for word
“The amount of any rent increase may be no more than 3% or 60% of the most recent 12-month percent change in the Consumer Price Index for All Urban Consumers in the San Francisco-Oakland-Hayward Area ("CPI") published by the Bureau of Labor Statistics, whichever is less …”
For most older rentals, yes: max 5% plus inflation (never over 10%).
The cap follows local inflation (April to April) and resets each August 1.
Depends on the year the building was built.
Who it covers
Not buildings less than 15 years old.
Not owner-occupied buildings with 2 units or fewer.
Covers: Residential real property generally, unless exempt.
Exemptions: Deed-restricted/subsidized affordable housing; dormitories; housing under stricter local rent control; CO issued within previous 15 years; certain separately alienable properties (single-family homes, condos) with non-corporate owners and written notice; owner-occupied duplexes.
In force since
Mar 15, 2019
Current version since
Apr 1, 2024
Set to be repealed
Jan 1, 2030
The law, word for word
“an owner of residential real property shall not, over the course of any 12-month period, increase the gross rental rate for a dwelling or a unit more than 5 percent plus the percentage change in the cost of living, or 10 percent, whichever is lower …”