California Rent Increase Formula:
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Under California's Tenant Protection Act (AB 1482), annual rent increases are capped at 5% plus the percentage change in the cost of living (CPI), or 10% of the lowest gross rental rate charged at any time during the 12 months before the increase, whichever is lower.
The calculator uses the California rent increase formula:
Where:
Explanation: The calculation determines the maximum legal rent increase by taking the lower of (CPI + 5%) or 10%, then applying that percentage to your current rent.
Details: California's rent control laws help protect tenants from excessive rent hikes while allowing landlords reasonable increases to cover rising costs. This calculator helps both tenants and landlords understand the legal limits.
Tips: Enter the current CPI percentage for your area (available from government sources) and your current monthly rent. The calculator will show both the dollar amount increase and the new rent amount.
Q1: Does this apply to all rental properties in California?
A: No, there are exemptions including properties built within the last 15 years, single-family homes (unless owned by corporations), and some duplexes where the owner occupies one unit.
Q2: Where do I find the CPI for my area?
A: The California Bureau of Labor Statistics publishes regional CPI data. Many city housing departments also provide this information.
Q3: Can my landlord increase rent by less than the maximum?
A: Yes, landlords can choose to increase rent by less than the legal maximum. The calculator shows the maximum allowed increase.
Q4: How often can rent be increased?
A: Under AB 1482, rent can only be increased once every 12 months.
Q5: What if my city has stricter rent control?
A: Local ordinances with stricter limits take precedence. Check your local housing laws if you live in cities like Los Angeles, San Francisco, or Oakland that have additional rent control measures.