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Marin County · Building on your lot

Group homes and residential care in Marin County

Marin County's own rules on group homes and residential care, with the code text for every value.

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Each rule below links to the section of the Marin County Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Marin County's code says

Marin County code What Marin County's code adds
Homes for 7 or more
  • Use Permit approval is required.
    Applies: Large group home (7 or more persons); coastal zone code.
    § 20.32.080 · code text
    A large group home is a permitted use in all zoning districts where dwellings are allowed, subject to Use Permit approval in compliance with Chapter 22.48 (Conditional Use Permits).
Homes for 6 or fewer
  • A permitted use.
    Applies: Small group home (6 or fewer persons); coastal zone code.
    § 20.32.080 · code text
    A small group home is a permitted use in all zoning districts where dwellings are allowed.
Where allowed
  • All zoning districts where dwellings are allowed.
    Applies: Group homes and residential care facilities; coastal zone code.
    § 20.32.080 · code text
    Group homes and residential care facilities are permitted in all zoning districts where dwellings are allowed by Chapter 20.62 (Coastal Zoning Districts and Allowable Land Uses) and Chapter 20.64 (Coastal Zone Development and Resource Management Standards).
  • Group homes and residential care facilities must be within otherwise allowable dwellings.
    Applies: In the coastal zone.
    § 20.32.080 · code text
    In the coastal zone, group homes and residential care facilities must be within otherwise allowable dwellings.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Where are group homes and residential care homes allowed in Marin County?

Marin County's code: Use Permit approval is required. (Large group home (7 or more persons); coastal zone code.) (§ 20.32.080); A permitted use. (Small group home (6 or fewer persons); coastal zone code.) (§ 20.32.080).

General information, not legal advice.

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Ask GoCodebook how Marin County's group homes and residential care rules apply to your situation and get an answer that cites the section.

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