No short‑term rental (STR) rules specific to a city named “Mill‑Creek, CA” were found in the provided materials. The provided content covers STR regulations for the Town of Windsor, California (Sonoma County), and a separate planning packet for Accessory Dwelling Units (ADUs) in Millcreek, Utah. If you intended to ask about a different California jurisdiction named Mill Creek, please confirm so I can tailor this guide accordingly.

Explicit answer for Windsor, CA (Sonoma County): Yes—short‑term rentals are allowed, subject to a Town STR license, zoning, and operating standards. Hosted STRs are permitted in residential districts; non‑hosted STRs are prohibited in residential districts (with a limited amortization period through July 1, 2025), while non‑hosted STRs are allowed in specified commercial districts. Licensing, annual renewal, and adherence to operating standards are required. A notice of an approved STR license must be provided to occupants within 300 feet, and violations can lead to penalties, denial, or revocation of the license.

Below is a detailed, investor‑oriented guide to starting and operating an STR in Windsor, CA, based on the content you provided. State‑level notes for California are included where relevant.

1) How to Start an STR Business in Windsor, CA

• Confirm zoning eligibility:
  • Hosted STRs: Allowed in residential districts.
  • Non‑hosted STRs: Allowed in certain commercial districts; prohibited in residential districts (see amortization period below).
• Secure a Town STR license:
  • A license is required to operate any STR.
  • The license is non‑transferable, does not run with the land, and must be renewed annually.
  • Limit of three (3) STRs per person; license must be held by a natural person(s).
• Prepare for annual renewal:
  • Maintain compliance with all operating standards and administrative requirements year‑over‑year.
• Operational readiness:
  • Draft house rules reflecting operating standards (noise/quiet hours, occupancy limits, parking, event prohibitions).
  • Designate a host/manager and ensure guest communication processes are in place.

Licensing/permitting workflow (summary from FAQs):

• “How do I file an application for STR License?”: Use the Town’s STR application process and forms.
• “How do I file a complaint about a STR?”: Use the Town’s complaint channels (see contact details).
• Contact STR staff with questions: str@townofwindsor.ca.gov or (707) 838‑1021.

2) Required Documents, Permits, Licenses, and Guidelines

• STR License
  • Application via Town of Windsor (Planning/Community Development).
  • Annual renewal required.
  • Host/manager contact information must be provided.
  • Notice to occupants within 300 feet required upon approval.
• Ownership and operator eligibility
  • Owner must be a natural person(s).
  • Maximum of three (3) STRs per person.
  • License is non‑transferable and does not run with the land.
• Operating Standards and Guest Materials
  • Must comply with all operating standards (noise/quiet hours, maximum occupancy, minimum age, parking, events prohibition, etc.).
  • Written copy of operating standards must be available at the STR for guests.
• Additional Administrative Requirements
  • Maintain compliance with all administrative provisions of the ordinance.
  • Accept penalties for violations; comply with denial/revocation processes where applicable.

Note: Additional specifics (exact application forms, plan sets, inspection protocols, transient occupancy tax registration, or fire/safety clearances) are not detailed in the provided text but are typically required for California STRs at the local level. Contact Town STR staff for the current application package and any zoning clearance requirements.

3) Specific Regulations (Town, County, and State)

Town of Windsor (Ordinance 2023‑379; effective July 21, 2023)

• Zoning allowances:
  • Hosted STRs: Allowed in residential districts.
  • Non‑hosted STRs: Allowed in commercial districts; prohibited in residential districts.
• Amortization period for non‑hosted STRs in residential zones:
  • The ordinance includes an amortization period allowing certain non‑hosted STRs in residential zones to operate while winding down.
  • This period expires on July 1, 2025.
  • During the amortization period, operators must meet the operating standards and all requirements in the ordinance.
• Operating standards:
  • Noise, including quiet hours.
  • Maximum occupancy.
  • Minimum age of the person renting the STR.
  • Parking requirements.
  • Prohibition on events, including parties.
  • Other requirements as set by the ordinance.
• Administrative requirements:
  • Limit of three (3) STRs owned by one person.
  • License held by a natural person(s); non‑transferable; does not run with the land.
  • Annual license renewal.
• Neighbor notice:
  • Notice of an approved STR license must be provided to occupants within 300 feet, identifying the property owner, host, and manager and their contact information.
• Enforcement:
  • Penalties for violations.
  • Process for denying or revoking a STR license.

County of Sonoma (context)

• The provided content references the County but does not include Sonoma County–specific STR regulations for Windsor. Many Sonoma County cities administer their own STR programs. Confirm if any county‑level requirements (e.g., transient occupancy tax administration, public health, or fire code clearances) apply to Windsor properties. Contact the Town for guidance.

State of California (high‑level considerations)

• Compliance with California building, fire, health, and safety codes is expected for lodging uses.
• Registration and/or collection of transient occupancy taxes (TOT) commonly apply at the local level; confirm current Town requirements.
• Local ordinances may impose stricter rules than state law; Windsor’s ordinance governs operation in this market.
• State‑level legislation affecting STRs may evolve; verify current requirements before investing.

4) Zoning and District Considerations

• Residential districts:
  • Hosted STRs are permitted with an STR license.
  • Non‑hosted STRs are prohibited, except for a limited amortization period ending July 1, 2025.
• Commercial districts:
  • Non‑hosted STRs are allowed with an STR license, subject to operating standards and administrative rules.
• To identify the exact zoning of a property and confirm eligibility, use the Town’s zoning maps or contact the Planning Division.

5) Operating Standards (Summary)

• Noise control, including quiet hours.
• Maximum occupancy limits.
• Minimum age of the person renting the STR.
• Parking standards (number and placement).
• Prohibition on events, including parties.
• Maintain written operating standards on‑site for guests.
• Compliance with all standards is mandatory for license issuance and renewal.

6) Licensing Limits and Owner Requirements

• A person may own up to three (3) STRs under license.
• The STR must be owned by a natural person(s).
• The STR license is non‑transferable and does not run with the land.
• Annual renewal is required to continue operation.

7) Enforcement and Neighbor Notice

• Violations of ordinance provisions can result in penalties.
• The Town may deny or revoke a STR license for cause.
• Upon license approval, the Town requires notice to occupants within 300 feet, identifying the owner, host, and manager and their contact information.

8) Contact Information (Local Authority)

• Email: str@townofwindsor.ca.gov
• Phone: (707) 838‑1021
• Planning Division: Contact via Town of Windsor website (Planning Division page)
• Municipal address:
  • Town of Windsor
  • 9291 Old Redwood Highway
  • Windsor, California 95492
  • Phone: (707) 838‑1000

9) Source Pages and Links

• Ordinance and supporting documents:
  • Ordinance 2023‑379—Short‑Term Rental Requirements: www.townofwindsor.ca.gov/DocumentCenter/View/28399/Ordinance-2023-379-Short-Term-Rental-Requirements
  • Short‑Term Rental Operating Standards: www.townofwindsor.ca.gov/DocumentCenter/View/28401/Short-Term-Rental-Operating-Standards
  • Short‑Term Rental Additional Requirements: www.townofwindsor.ca.gov/DocumentCenter/View/28400/Short-Term-Rental-Additional-Requirements-
• Short‑Term Rentals landing page (with FAQs): www.townofwindsor.ca.gov/1289/Short-Term-Rentals
• FAQs (selection):
  • “How do I file an application for STR License?”: www.townofwindsor.ca.gov/Faq.aspx?QID=345
  • “How do I file a complaint about a STR?”: www.townofwindsor.ca.gov/Faq.aspx?QID=346

If you intended a different Mill‑Creek in California, or if you can provide the municipal name or county, I can refine this guide to that jurisdiction’s specific regulations.