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Sonoma County

California · United States
Restricted
Last updated: 2026-06-23  ·  Last verified: 2026-06-23  ·  Region: US

At a Glance — Sonoma County Airbnb & STR Rules

RuleDetails
Regulatory StatusRestricted — rules apply
Permit / License RequiredYes — both a vacation rental permit (zoning permit) and an annual Vacation Rental License are required in unincorporated areas; many cities (Sonoma, S
Tax RateTOT applies (California wine country TOT typically ~10–14%); exact Sonoma rate Unknown — verify with Tax Collector
Night / Day CapNo countywide cap on unincorporated whole-house rentals; varies by city (e.g., Sebastopol 30 days/yr, Petaluma 90 days/yr for whole-house)
Minimum StayVacation rental = 30 days or less (rentals over 30 days are not regulated as vacation rentals)
Permit FeeUnknown (permit + license fees apply; consult Permit Sonoma fee schedule)
Penalties24-hour complaint hotline; fines start at $1,500 for a first violation
Primary Residence RequiredNo for whole-house vacation rentals, but licensee must be a natural-person property owner (not an LLC/corporation); hosted rentals are an alternative
Occupancy LimitTied to permitted bedroom count and septic capacity (Unknown specific formula)
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Sonoma County Airbnb & Vacation Rental Regulation Overview

Sonoma County Short-Term Rental Regulations Overview

Short-term rentals in Sonoma County, California are allowed but subject to significant restrictions under local regulations as of 2026. Hosts operating on Airbnb, VRBO, or other vacation rental platforms must obtain proper licensing: Yes — both a vacation rental permit (zoning permit) and an annual Vacation Rental License are required in unincorporated areas; many cities (Sonoma, Santa Rosa, Healdsburg, Windsor) ban new STRs. The associated permit fees are Unknown (permit + license fees apply; consult Permit Sonoma fee schedule).

Tax Requirements for Airbnb Hosts in Sonoma County

Short-term rental operators in Sonoma County should be aware of these tax obligations: TOT applies (California wine country TOT typically ~10–14%); exact Sonoma rate Unknown — verify with Tax Collector. Yes — must obtain a Transient Occupancy Tax (TOT) number from the County Auditor-Controller Treasurer-Tax Collector.

Hosting Rules and Restrictions in Sonoma County

Key operational rules for vacation rental hosts in Sonoma County include: Primary residence requirement: No for whole-house vacation rentals, but licensee must be a natural-person property owner (not an LLC/corporation); host. Rental day cap: No countywide cap on unincorporated whole-house rentals; varies by city (e.g., Sebastopol 30 days/yr, Petaluma 90 days/y. Occupancy limit: Tied to permitted bedroom count and septic capacity (Unknown specific formula). Minimum stay: Vacation rental = 30 days or less (rentals over 30 days are not regulated as vacation rentals).

Zoning and Location Requirements in Sonoma County

Zoning considerations for short-term rentals in Sonoma County: Allowed only in specified zones (AR, RR, PCRR, LEA, DA, RRD, and existing SFRs in C2/LC/K); ineligible in LIA, R1, R2, R3, PC; Williamson Act parcels prohibited; multi-unit and ADU/JADU properties exc. Density rules: Exclusion zones (X district) and 5% cap zones limit concentration; many cap zones have reached capacity. Insurance: Unknown (not confirmed as mandatory in sources reviewed).

Penalties for Non-Compliance in Sonoma County

Hosts who fail to comply with Sonoma County's short-term rental regulations may face enforcement action. 24-hour complaint hotline; fines start at $1,500 for a first violation.

Platform Obligations in Sonoma County

Platform obligations for services like Airbnb, VRBO, and Booking.com operating in Sonoma County: Permit number must be added to the rental listing.

Full Regulatory Details

Regulatory Status
Restricted
License / Registration
Yes — both a vacation rental permit (zoning permit) and an annual Vacation Rental License are required in unincorporated areas; many cities (Sonoma, Santa Rosa, Healdsburg, Windsor) ban new STRs
Tax Registration
Yes — must obtain a Transient Occupancy Tax (TOT) number from the County Auditor-Controller Treasurer-Tax Collector
Permit Fee
Unknown (permit + license fees apply; consult Permit Sonoma fee schedule)
Primary Residence Rule
No for whole-house vacation rentals, but licensee must be a natural-person property owner (not an LLC/corporation); hosted rentals are an alternative in some cities
Night / Day Cap
No countywide cap on unincorporated whole-house rentals; varies by city (e.g., Sebastopol 30 days/yr, Petaluma 90 days/yr for whole-house)
Occupancy Limit
Tied to permitted bedroom count and septic capacity (Unknown specific formula)
Tax Rate
TOT applies (California wine country TOT typically ~10–14%); exact Sonoma rate Unknown — verify with Tax Collector
Zoning Restrictions
Allowed only in specified zones (AR, RR, PCRR, LEA, DA, RRD, and existing SFRs in C2/LC/K); ineligible in LIA, R1, R2, R3, PC; Williamson Act parcels prohibited; multi-unit and ADU/JADU properties excluded
Minimum Stay
Vacation rental = 30 days or less (rentals over 30 days are not regulated as vacation rentals)
Density Rules
Exclusion zones (X district) and 5% cap zones limit concentration; many cap zones have reached capacity
Insurance Required
Unknown (not confirmed as mandatory in sources reviewed)
Platform Obligations
Permit number must be added to the rental listing
Compliance Notes
Owner must use a Certified Vacation Rental Property Manager located within 30 miles; site plan, floor plan, septic proof required; license renews annually
Effective Date
August 2023 (current ordinance/business license program); first permit ordinance 2009; coastal zone deadline extended to April 11, 2025
Key Notes
Permit/license is lost when property is sold; new owner must reapply. ~2,300–2,400 STRs operate in unincorporated county. Coastal zone has separate, less restrictive treatment pending Coastal Commission action.
Penalties
24-hour complaint hotline; fines start at $1,500 for a first violation
Additional Context
Highly restrictive; only ~9% of 2025 residential sales qualified for permits. Cities of Sonoma, Santa Rosa, Healdsburg, Windsor effectively ban new STRs.
Sources
https://permitsonoma.org/regulationsandinitiatives/vacationrentals
Permit Sonoma (permitsonoma.org/vacationrentals)
Sonoma County Municode Art. VIII Vacation Rental Licenses
Anderson Zeigler law firm
BNBCalc
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Frequently Asked Questions

Is Airbnb legal in Sonoma County?

Airbnb and short-term rentals are legal in Sonoma County but subject to restrictions. Hosts must comply with local permit requirements and zoning rules. Owner must use a Certified Vacation Rental Property Manager located within 30 miles; site plan, floor plan, septic proof required; license renews annually

Do you need a permit for Airbnb in Sonoma County?

Yes. Sonoma County requires the following for short-term rental operation: Yes — both a vacation rental permit (zoning permit) and an annual Vacation Rental License are required in unincorporated areas; many cities (Sonoma, Santa Rosa, Healdsburg, Windsor) ban new STRs.

What taxes apply to short-term rentals in Sonoma County?

Short-term rental hosts in Sonoma County are subject to the following tax obligations: TOT applies (California wine country TOT typically ~10–14%); exact Sonoma rate Unknown — verify with Tax Collector.

What are the penalties for illegal Airbnb hosting in Sonoma County?

Hosts who operate without proper permits in Sonoma County may face enforcement. 24-hour complaint hotline; fines start at $1,500 for a first violation.

What are the key STR compliance requirements in Sonoma County?

Permit/license is lost when property is sold; new owner must reapply. ~2,300–2,400 STRs operate in unincorporated county. Coastal zone has separate, less restrictive treatment pending Coastal Commission action.

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