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San Bruno · Renting & eviction

Short-term rentals in San Bruno

San Bruno's own rules on short-term rentals, with the code text for every value.

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

What San Bruno's code says

San Bruno code What San Bruno's code adds
Allowed
  • Yes, for stays under 30 consecutive days, only in hosted, non-hosted and certain accessory dwelling units.
    Applies: Where a home is otherwise allowed or is an existing legal nonconforming use.
    § 12.270.040 · code text
    Short-term residential rental uses shall be permitted only in the following types of units for durations of less than thirty consecutive calendar days:
Cap on rentals
  • No more than 3 bedrooms rented at any one time.
    Applies: Hosted units.
    § 12.270.040 · code text
    An owner-occupied single-family dwelling unit, two-family or duplex dwelling unit or multiple-family dwelling unit where at least one property owner physically occupies the unit as their sole primary residence may be utilized for short-term residential rental uses with no more than three individual bedrooms may be rented at any given time.
Nights per year
  • No annual limit on rental days.
    Applies: Hosted units.
    § 12.270.040 · code text
    There is no maximum annual usage limit for utilization as a short-term residential rental use.
  • No more than 120 calendar days per calendar year.
    Applies: Non-hosted units.
    § 12.270.040 · code text
    An entire single-family dwelling unit, two-family or duplex dwelling unit or multiple-family dwelling unit may be utilized for short-term residential rental use subject to an annual usage limit of no more than one hundred twenty calendar days per calendar year.
  • No more than 120 calendar days per calendar year.
    Applies: ADUs legally built before September 25, 2020, with an owner-occupied main home. Newer ADUs may not be short-term rentals.
    § 12.270.040 · code text
    An accessory dwelling unit legally permitted and constructed prior to the effective date of this section (September 25, 2020), where the primary single-family dwelling unit is owner occupied may be utilized for short-term residential rental use subject to an annual usage limit of no more than one hundred twenty calendar days per calendar year.
Permit or registration
  • A short-term residential rental zoning permit is required.
    § 12.270.050 · code text
    A valid short-term residential rental zoning permit is required at all times for the operation of a short-term residential rental use.
Primary residence
  • Yes. At least one owner must live in the unit as their sole primary residence.
    Applies: Hosted units.
    § 12.270.040 · code text
    An owner-occupied single-family dwelling unit, two-family or duplex dwelling unit or multiple-family dwelling unit where at least one property owner physically occupies the unit as their sole primary residence may be utilized for short-term residential rental uses with no more than three individual bedrooms may be rented at any given time.
  • Yes. The main single-family home must be owner occupied.
    Applies: ADUs built before September 25, 2020.
    § 12.270.040 · code text
    An accessory dwelling unit legally permitted and constructed prior to the effective date of this section (September 25, 2020), where the primary single-family dwelling unit is owner occupied may be utilized for short-term residential rental use subject to an annual usage limit of no more than one hundred twenty calendar days per calendar year.
  • No primary residence is required.
    Applies: Non-hosted units.
    § 12.270.040 · code text
    An entire single-family dwelling unit, two-family or duplex dwelling unit or multiple-family dwelling unit may be utilized for short-term residential rental use subject to an annual usage limit of no more than one hundred twenty calendar days per calendar year.

Who this affects

TenantsLandlordsProperty managers

Frequently asked questions

Can I rent out my home short-term in San Bruno?

San Bruno's code: Yes, for stays under 30 consecutive days, only in hosted, non-hosted and certain accessory dwelling units. (Where a home is otherwise allowed or is an existing legal nonconforming use.) (§ 12.270.040); No more than 3 bedrooms rented at any one time. (Hosted units.) (§ 12.270.040).

General information, not legal advice.

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San Bruno Municipal Code — full text