California State ADU Laws


On January 1, 2020, new laws were passed which promote the addition of Accessory Dwelling Units in Los Angeles.

Along with reduced burdens for single family ADU applicants, for the first time, new laws permit ADUs to be added to multi-family properties. This ability to add ADUs means you can substantially increase your annual rental income at less than 50% of the cost of purchasing comparable residential dwelling units.

As a homeowner, I’m sure you can imaging the many ways you can utilize an ADU on your property – for a rental unit, the ultimate man cave, or living space for an elderly parent, out-of-town guests, or an adult child living at home.

Well, the City of Los Angeles has made it easier than ever to add ADUs to your single-family or multi-family property.

Old State ADU Law

New State ADU Rules

Below are some highlights of California’s new Junior, Single & Multi-family ADU laws:

Reduced Costs and Burdens for Developing ADUs and Jr. ADUs

Residential Properties | ADUs and JADUs Subject to Automatic Ministerial Approval

Accessory Dwelling Units on Multi-Family Residentially Zoned Properties

Parking Requirements

No parking for an ADU is required if:

ADUs are an


Los Angeles is an extremely viable market for ADUs. It pays to build an ADU because:
  • The land is (basically) free!
  • Financing is available and relatively inexpensive.
  • Rents are high in Los Angeles.
  • ADUs tend to generate cash flow immediately.
  • ADUs provide thousands of dollars of rental income per year.
  • ADUs add enormous resale value to your property.
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