Rent increases in Antioch: the local rules

Each rule below links to the section of the Antioch Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Antioch's code says

Antioch code What Antioch's code adds
Petitions and pass-throughs	A landlord may petition for a rent increase above the standard allowed amount to get a fair and reasonable return. Applies: Through a fair return petition. § 11-3.07 · code text A landlord may petition for a rent increase in excess of that provided in § 11-3.04 in order to obtain a fair and reasonable return on the landlord's property ("fair return petition"). Capital improvement costs can be counted, averaged per unit and spread over at least 60 months. Applies: For capital improvements to the rental property claimed in a fair return petition. § 11-3.07 · code text The completion of any capital improvements to the residential real property specified in the fair return petition, and the cost thereof, including materials, labor, construction interest, permit fees, and other items the Hearing Officer deems appropriate, arising after commencement of the tenancy and averaged on a per-unit basis and amortized over a period of not less than 60 months. Documented rehabilitation work can be counted, averaged per unit and spread over at least 36 months. Applies: For documented rehabilitation work claimed in a fair return petition. § 11-3.07 · code text Documented rehabilitation work averaged on a per-unit basis and amortized over a period of not less than 36 months. The landlord must prove an increase above the standard allowed amount is needed for a fair and reasonable return. Applies: Applies to fair return petitions. § 11-3.07 · code text The landlord shall bear the burden of establishing that a rate increase in excess of that provided in § 11-3.04 is necessary to provide the landlord with a fair and reasonable return on the property, including by providing an independent financial report and verified financial data demonstrating that without such an increase, the landlord will not realize a fair and reasonable return on the property. Tenants have 30 days after receiving the petition to reply or send more materials. Applies: When responding to a landlord's fair return petition. § 11-3.07 · code text The tenant(s) shall have 30 days from the date of receiving the fair return petition to reply or provide additional materials to the city in response to the fair return petition.

The California rule underneath

Where Antioch's rule above does not cover a situation, state law still applies. For the statewide rule on its own, see California's statewide rent cap.

CA state law The statewide rule underneath
Rent cap right now	8.8% for increases taking effect August 1, 2026 through July 31, 2027 (5% plus 3.8% inflation) Applies: Covered units only. Inflation is the BLS consumer price index for the San Francisco-Oakland-Hayward area, April to April, as the statute requires; the figure is recomputed every year. Civ. Code § 1947.12(a)(1), (g)
Statewide rent increase cap (AB 1482)	5% plus the change in cost of living, or 10%, whichever is lower, over any 12 months Applies: Covered units only; measured against the lowest rent charged in the prior 12 months. Civ. Code § 1947.12(a)(1)
Number of rent increases	No more than two increases in any 12-month period Civ. Code § 1947.12(a)(2)
Rent cap — new construction exemption	Housing with a certificate of occupancy issued within the previous 15 years is exempt (rolling) Applies: Mobilehomes excepted. Civ. Code § 1947.12(d)(4)
Rent cap — single-family home or condo exemption	A home or condo that can be sold on its own is exempt when the owner is not a REIT, a corporation or an LLC with a corporate member, and the tenant was given the written exemption notice Applies: The same exemption applies to the just-cause rule (§ 1946.2(e)(8)). Civ. Code § 1947.12(d)(5)
Rent cap — owner-occupied duplex exemption	A duplex in one building is exempt when the owner lived in the other unit at the start of the tenancy and still does, unless either unit is an ADU or JADU Civ. Code § 1947.12(d)(6)
New tenancy resets the rent	When no prior tenant remains, the owner may set the initial rent; the cap applies to later increases Civ. Code § 1947.12(b)
Rent cap sunset	§ 1947.12 is repealed on January 1, 2030 unless extended Civ. Code § 1947.12(o)

Who this affects

TenantsLandlordsProperty managers

Frequently asked questions

How much can rent go up in Antioch?

Under Antioch's rules, a landlord can petition for rent above the standard allowed amount for a fair return; tenants have 30 days to reply.

General information, not legal advice.

Rent increases in Antioch

Key points

What Antioch's code says

The California rule underneath

Who this affects

Frequently asked questions

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