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Marin County, CA Business Licensing & Operations: Adult Entertainment (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Definition section
Marin County Code § 20.130.030
Zoning table
Table 2-6 under § 22.12.030
Use Permit required
VCR, RMPC, and C1 districts
Permitted by right
CP (Planned Commercial) district only
Permit type
Conditional Use Permit, Chapter 22.48
Other districts
Not listed, therefore prohibited

Summary

Unincorporated Marin County treats adult entertainment establishments as a discretionary land use in most commercial districts. Table 2-6 of the Development Code, tied to Section 22.12.030, requires a Use Permit before an adult bookstore, theater, cabaret, or similar business can open in three named commercial districts, and allows it by right only in the Planned Commercial (CP) district.

These county ordinances apply to unincorporated areas of Marin County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

Adult entertainment establishments U U U P "P" means principally permitted "U" means conditionally permitted subject to Use Permit approval "—" means prohibited

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Municipal Code: Supplement 2026 Update 1).

Full Breakdown

The Development Code defines an "Adult Entertainment Establishment" broadly to cover any adult bookstore, adult hotel or motel, adult motion-picture arcade or theater, cabaret, sexual encounter center, or other business emphasizing "specified sexual activities" or "specified anatomical areas," while excluding whatever state law preempts the county from regulating. 49) is required, in the Village Commercial Residential (VCR), Residential Commercial Multiple Planned (RMPC), and C1 Retail Business districts. The same table marks the use "P", principally permitted with no Use Permit, only in the CP Planned Commercial district.

030 treats any use not listed in a district's row, or shown as a dash, as not allowed, so the use is prohibited in every other commercial, industrial, agricultural, or residential zoning district. 48, is the operative control.

Violations & Fines

Operating an adult entertainment establishment without the required Use Permit, or in a district where the use is not listed, is an unpermitted land use violation under Section 22.06.040 of the Development Code. Marin County code enforcement can pursue it like any other county code violation: a notice to correct followed by a civil penalty of up to $2,500 per violation under Marin County Code Section 1.05.030, with each additional day of unpermitted operation counted as a separate offense.

Frequently Asked Questions

Can I open an adult bookstore anywhere in unincorporated Marin County?
Not by right in most places. Table 2-6 of the Development Code, tied to Section 22.12.030, lists adult entertainment establishments as a conditionally permitted "U" use requiring a Use Permit in the Village Commercial Residential, Residential Commercial Multiple Planned, and C1 Retail Business districts, and it is principally permitted without a Use Permit only in the CP Planned Commercial district; every other zoning district omits the use entirely, which the code treats as prohibited.
What permit do I need to open an adult entertainment establishment in a VCR or C1 district?
A discretionary Conditional Use Permit processed under Chapter 22.48 of the Development Code, or a Master Use Permit under Chapter 22.49 where applicable, the same permit track used for any other conditionally allowed commercial use in that district; the county's review authority evaluates and can condition or deny the application through that process.
Does Marin County set a minimum distance between an adult business and a school or residence?
The Table 2-6 entry for adult entertainment establishments leaves the "Requirements and Standards" column blank, meaning the Development Code does not attach a numeric spacing or buffer standard to this use; the applicable control is which districts allow it and whether a Use Permit is required, not a distance rule.
What happens if someone runs an adult business without the required permit?
It is treated as any other unpermitted land use violation under the county code. Code enforcement issues a notice to correct, and under Marin County Code Section 1.05.030 the county can assess a civil penalty of up to $2,500 per violation, treating continued unpermitted operation after the correction period as a new offense each day.

Sources & Official References

Other rules in Marin County

Tattoo & Body ModificationSignificant RestrictionsTobacco Retail LicenseSome RestrictionsParking Rules: EV ChargingSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: Preferential Parking DistrictsSome RestrictionsAnimal Ordinances: Bird ProtectionSome RestrictionsLandscaping Rules: Native PlantsLight RestrictionsLandscaping Rules: Rainwater HarvestingFew Restrictions

All Marin County rules

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