10/13/2026
California Assembly Bill 956 (AB 956) was signed into law by Governor Gavin Newsom on September 29, 2026, and takes effect on January 1, 2027.
Key Provisions of AB 956
• Two Detached ADUs: Local agencies must ministerially approve up to two detached, new-construction accessory dwelling units (ADUs) on a single-family or qualifying residential lot, doubling the previous limit of one.
• Setbacks and Size Limits: The new detached ADUs are eligible for up to 4-foot side and rear setbacks. Local agencies may cap the floor area of each unit at 800 square feet.
• Zoning Clarifications: Revises restrictions from "lot zoned for single-family residential use" to "lot zoned to allow single-family residential use," expanding eligibility and streamlining development rules.
• HOA and Common Interest Restrictions: Amends the Civil Code to limit restrictions or prohibitions on ADUs and junior accessory dwelling units (JADUs) within applicable common interest developments and planned developments.
• Rental Terms: Sets permitted rental terms to over 30 days without requiring nonconforming zoning corrections or primary residence fire sprinklers under specific conditions.
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