Petaluma, CA Accessory Structures: ADU Rental Restrictions (2026)
Key Facts
- Governing section
- IZO §7.030(P)
- Minimum rental term
- More than 30 days
- Applies to
- ADUs permitted after Sept. 7, 2017
- Short-term rental ban
- No licensing under §7.110
- JADU companion rule
- IZO §7.035(N), same 30-day floor
- Enforcement
- Public nuisance, abatement under §26.020
Summary
Petaluma bars short-term rentals of accessory dwelling units permitted after September 7, 2017, requiring every rental term to run more than 30 days under IZO §7.030(P). The same subsection expressly forbids licensing any such ADU as a short-term vacation rental under §7.110.
P. Rentals. All accessory dwelling units permitted after September 7, 2017, shall only be rented for a term of more than 30 days. No accessory dwelling units permitted after September 7, 2017, shall be permitted as a short term vacation rental under Section 7.110.
Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 2931 NCS, passed July 6, 2026).
Full Breakdown
Petaluma's accessory dwelling unit (ADU) rules restrict how a unit created after September 7, 2017 can be rented. 110, the chapter that otherwise authorizes short-term vacation rentals elsewhere in the city. ' Together the two subsections foreclose any Airbnb-style nightly or weekly rental of an ADU or JADU built under the current ordinance, whatever exemption might otherwise apply to a homeowner's primary residence. 030(Q) separately bars selling or conveying an ADU apart from the primary residence except through a narrow nonprofit affordable-housing arrangement recorded as a tenancy in common.
An owner planning to rent an ADU short-term should check the unit's permit date against September 7, 2017, since the 30-day floor applies regardless of whether the owner also occupies the primary residence.
Violations & Fines
Renting a post-2017 ADU or JADU for stays under 30 days, or operating one as a licensed short-term vacation rental, makes the use unlawful and a public nuisance under IZO §26.020(A). The City Attorney, acting on City Council order, can pursue abatement, removal, or injunctive relief, and the Zoning Administrator and Building Official enforce the Implementing Zoning Ordinance under §26.010. Remedies are cumulative, not exclusive.
Frequently Asked Questions
Can I rent my Petaluma ADU on Airbnb for a weekend?
Does the 30-day rule apply to junior accessory dwelling units too?
What if my ADU was permitted before September 7, 2017?
Sources & Official References
Other rules in Petaluma
California rules heatmap·Compare Petaluma to another location·View the California accessory structures overview
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