What the state's chart lists
3.7% for Jul 1, 2026 – Jun 30, 2027. Uses the same formula as the Tenant Protection Act for the LA area; may be taken in two increments.
Coverage, exemptions, and how the increase is calculated are set by the city's ordinance. Check with Commerce's rent program before raising rent.
We couldn't find the City of Commerce's own rent page. The state's chart lists 3.7% for July 1, 2026 – June 30, 2027; confirm with the city.
The calculator on this page won't produce a number for Commerce until we've verified the ordinance against the city's own text.
Check the address first. The city in a mailing address isn't always the city that governs the property, and boundaries change through annexation. Unincorporated areas follow County rules, where older buildings with 2+ units have a 1.919% cap.
How much notice to give
Under Civil Code 827, give at least 30 days' notice if the increase, together with any others in the past 12 months, is 10% or less. Above 10%, give 90 days.
Questions about Commerce
Does Commerce have rent control?
Yes. Commerce is listed on the California Attorney General's chart of local rent ordinances, which shows 3.7% for Jul 1, 2026 – Jun 30, 2027. Confirm the current figure with the city.
How much notice do I have to give?
30 days if the total increase over the past 12 months is 10% or less, and 90 days if it is more than 10% (Civil Code 827).
Sources
- CA Attorney General - Limits on Rent Increases (local ordinance chart) (accessed Oct 21, 2026)
- LA County Auditor-Controller - 88 Cities Served by the County (accessed Oct 21, 2026)
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