What are the ADU requirements in Redondo Beach?
Ike Mbelu, Principal Partner · Last checked
On this page: The short answer · What Redondo Beach's code sets · What state law guarantees
The short answer
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§10-2.1506
Approved without a hearing
Redondo Beach, in LA County, approves ADUs and junior ADUs ministerially, with no hearing. On a single-family lot, a new detached ADU up to 800 square feet with four-foot side and rear setbacks is the streamlined path. Other ADUs can reach 850 square feet, or 1,000 with more than one bedroom. Redondo Beach Municipal Code §10-2.1506.
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What Redondo Beach's code sets
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01
Detached, single-family lot
Up to 800 square feet, four feet from the side and rear lines. Height is 16 feet, 18 within a half-mile walk of a major transit stop, plus two feet to match the house's roof pitch. §10-2.1506(b)(3).
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02
Larger or attached
Outside the streamlined path, one ADU per lot, up to 850 square feet for a studio or one bedroom and 1,000 with more. Attached: 25 feet or the zone's height, whichever is lower, and no more than two stories. §10-2.1506(c).
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03
Garage and in-house conversions
No setback for an ADU inside existing living area or an existing accessory structure, which may grow up to 150 square feet for an entry. A junior ADU tops out at 500 square feet. §10-2.1506(b)(2), (c)(4)(a).
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04
Parking and alleys
One space, waived within a half-mile walk of public transit or for an ADU inside the house or an accessory structure. Lost garage spaces need not be replaced. On an alley lot, the driveway comes off the alley. §10-2.1506(c)(4), (c)(8).
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05
Apartment lots
ADUs in unused space of an existing duplex or apartment building, up to 25 percent of its units and at least one, plus two detached ADUs. §10-2.1506(b)(4)-(5).
What state law guarantees
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01
The unit count
One ADU, one junior ADU and one new detached ADU on any single-family lot. With an existing multifamily building, up to eight detached ADUs, capped at the existing unit count. Redondo Beach's section dates from 2023. Gov. Code §66323(a).
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02
Setback and parking ceilings
No city can require more than four feet at the side and rear, or more than one space per ADU or per bedroom. §66314(d)(7), (d)(10).
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Next door and county-wide
See the LA County ADU rules or Gardena's ordinance, and building in Redondo Beach. Coastal-zone lots fall under a separate chapter.
This is a summary of the Redondo Beach Municipal Code and state law, not legal advice. Confirm the current code for your site.
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