ADU applications in Carson are reviewed ministerially by the Community Development Department under CMC Article IX, Chapter 1. State law (Gov. Code §65852.2(b)) requires the city to approve or deny a complete application within 60 days without a public hearing.
Applicants submit building plans, site plan, and Title 24 energy compliance forms to Carson's Building & Safety division at City Hall (701 E. Carson St.). Required permits: building permit, electrical, plumbing, and mechanical sub-permits as applicable. The Carson Building Code (CMC, building code chapter) adopts the 2022 California Building Standards Code (Title 24 CCR) by reference. Plan check includes verification of state ADU size/setback/height standards. Fire sprinklers are NOT required for an ADU if not required for the primary dwelling (Gov. Code §65852.2(a)(1)(D)(xi)). The 60-day clock starts when the application is deemed complete; if the city fails to act, the ADU is deemed approved.
Building without permits triggers stop-work orders, double permit fees, and code enforcement under CMC Article 1. Unpermitted construction cannot be legally occupied or rented.
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