Placer County, CA Accessory Structures: ADU Rental Restrictions (2026)
Key Facts
- Governing section
- Placer County Code § 9.42.090(A)(2)
- Cutoff date
- ADUs permitted after June 9, 2020 are barred
- Also barred
- Tiny homes and mobile or manufactured home units
- Enforcement track
- § 9.42.100(B), $1,500/$3,000/$5,000 escalating penalties
- Exception
- Workforce Housing Preservation Program deed-restricted units
Summary
Accessory dwelling units permitted in unincorporated Placer County after June 9, 2020 cannot be rented as short-term vacation rentals. Placer County Code § 9.42.090(A)(2) also bars short-term renting of tiny homes and mobile or manufactured home units, closing entire categories of housing stock out of the county's short-term rental program regardless of location or unit-cap availability.
2. Types of Units. Short-term rental of tiny homes or mobile or manufactured home units is prohibited. If the unit is an accessory dwelling unit permitted after June 9, 2020, it may not be short-term rented.
Full Breakdown
090(A)(2) of the county's short-term rental ordinance draws a hard line on unit type: "Short-term rental of tiny homes or mobile or manufactured home units is prohibited. 090(A)(3). 090(A)(1) on structures carrying an affordability or deed restriction, including deed-restricted secondary dwelling units, though that section carves out an exception for units deed-restricted under the county's Workforce Housing Preservation Program that allow a maximum duration of short-term rental use. Structures not intended for residential occupancy under the California Building Code and county code cannot be short-term rented at all. 100(B).
Violations & Fines
Renting a post-June 2020 ADU, tiny home, or manufactured home as a short-term rental violates § 9.42.090(A) and is enforced under § 9.42.100(B). The county notifies the owner and issues a $1,500 first administrative penalty, escalating to $3,000 and then $5,000 if the violation is not corrected within 30 days of each notice, with nuisance abatement or judicial remedies available after the third penalty.
Frequently Asked Questions
Can I short-term rent an accessory dwelling unit in Placer County?
Are tiny homes or manufactured homes eligible for short-term rental permits?
What happens if I rent a restricted ADU as a short-term rental anyway?
Sources & Official References
Other rules in Placer County
California rules heatmap·Compare Placer County to another location·View the California accessory structures overview
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