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Mammoth Lakes · Building on your lot

Running a business from home in Mammoth Lakes

Town rule: home businesses need a Town business tax certificate; retail sales, vehicle repair and adult businesses are not allowed.

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Key points

  • Home businesses: Town rule: home businesses need a Town business tax certificate; retail sales, vehicle repair and adult businesses are not allowed.

Each rule below links to the section of the Mammoth Lakes Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Mammoth Lakes's code says

Mammoth Lakes code What Mammoth Lakes's code adds
Employees
  • No employees on site other than full-time residents of the home.
    Applies: Except as allowed for cottage food operations.
    § 17.52.140 · code text
    A home occupation shall have no employees working on the site of the home occupation other than the full-time residents of the dwelling, except as allowed for cottage food operations as defined in Health and Safety Code § 113758.
Permit
  • A Town business tax certificate is required.
    § 17.52.140 · code text
    A home occupation shall require a Town business tax certificate.
  • A use permit is required, and the Commission may add conditions such as hours or noise limits.
    Applies: For other home business uses that do not meet this section's standards.
    § 17.52.140 · code text
    Other uses not consistent with this section may be approved as a home occupation, subject to approval of a use permit, and provided that the Commission may require conditions of approval limiting hours of operation, noise levels, or any other aspect of the operation, to ensure compatibility with on-site and adjacent residential uses.
Businesses not allowed
  • Adult business activities or businesses; automotive and other vehicle repair and service (body or mechanical), painting, storage, or upholstery; dance club or night club; dismantling, junk, or scrap yards; medical clinics, laboratories, or doctor's offices; mini self-storage; retail sales; welding and machine shop operations; wood cutting and processing businesses; and other similar incompatible uses as determined by the Director
    § 17.52.140 · code text
    The following are examples of business activities that are not incidental or compatible with residential activities, and are, therefore, prohibited as home occupations:

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I run a business from my home in Mammoth Lakes?

Town rule: home businesses need a Town business tax certificate; retail sales, vehicle repair and adult businesses are not allowed.

General information, not legal advice.

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Mammoth Lakes Municipal Code — full text