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Lot splits under SB 9 in Santa Barbara

Santa Barbara's own rules on lot splits under sb 9, with the code text for every value, and the state law underneath.

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

What Santa Barbara's code says

Santa Barbara code What Santa Barbara's code adds
How the lot may be divided
  • Neither new lot may be smaller than 40% of the original lot's area.
    Applies: Urban lot split into no more than 2 lots of about equal area.
    § 27.60.030 · code text
    One parcel shall not be smaller than 40% of the lot area of the original parcel proposed for subdivision and neither parcel shall be smaller than 1,200 square feet.
Minimum new lot size
  • Each new lot must be at least 1,200 square feet.
    § 27.60.030 · code text
    One parcel shall not be smaller than 40% of the lot area of the original parcel proposed for subdivision and neither parcel shall be smaller than 1,200 square feet.
Standards
  • Each new lot must have about equal lot width and lot depth.
    § 27.60.030 · code text
    Each parcel shall have approximately equal lot width and lot depth, consistent with the minimum lot sizes described in subsection A above.
  • Front lot lines must meet minimum street frontage rules; no flag lots or narrow projecting strips along a street.
    § 27.60.030 · code text
    Front lot lines shall conform to the minimum public street frontage requirements of the Zoning Ordinance; a flag lot, or a lot with a narrow projecting strip of land extending along a street, is not permitted.
  • New lot lines must be straight, unless they conflict with existing improvements or the natural environment.
    § 27.60.030 · code text
    New lot lines must be straight lines, unless there is a conflict with existing improvements or the natural environment in which case the line may be not be straight but shall follow the appropriate course.
  • Lot lines facing a street must generally be parallel to the street.
    § 27.60.030 · code text
    Lot lines facing a street shall generally be parallel to the street.
  • Dividing line: parallel, at least 50 feet from the front lot line or past the front half, whichever is greater.
    Applies: Applies unless the minimum public street frontage is provided.
    § 27.60.030 · code text
    Unless the minimum public street frontage is provided, the lot line dividing the two parcels must be parallel to and not less than 50 feet from an existing front lot line, or outside the front half of the existing lot, whichever is greater.
  • Interior lot lines not facing the street must be at right angles to straight streets, or radial to curved streets.
    § 27.60.030 · code text
    Interior lot lines not facing the street shall be at right angles perpendicular to the street on straight streets, or radial to the street on curved streets.
  • Each lot must front on or reach a public street, or use an access easement serving at most 2 lots.
    § 27.60.040 · code text
    Each lot shall front upon or have access to a public street, or be served by an access easement serving no more than two lots.
  • A vehicle access easement must be 10 to 16 feet wide.
    Applies: Easements serving up to 2 units, unless the Fire Code or city parking standards require a wider driveway.
    § 27.60.040 · code text
    Easement width shall be a minimum of 10 feet and a maximum of 16 feet, unless a wider driveway is required by the California Fire Code due to distance of the structure from the easement, or as needed to meet the driveway and parking standards in the City's Parking Access and Design Standards.
  • A vehicle access easement must be at least 20 feet long.
    § 27.60.040 · code text
    The minimum length for a vehicle access easement is 20 feet.
  • A vehicle turnaround is required if the access easement is longer than 75 feet.
    § 27.60.040 · code text
    If easement length is more than 75 feet, a vehicle turnaround shall be provided.
  • Homes must be at least 3 feet from the access easement.
    Applies: Homes next to a vehicle access easement serving at most 2 units.
    § 27.60.040 · code text
    No residential structure shall be closer than three feet to the easement.
  • A vehicle access easement must be at least 20 feet wide.
    Applies: Vehicle access easements serving 3 to 4 units.
    § 27.60.040 · code text
    Easement width shall be a minimum of 20 feet;
  • Homes must be at least 5 feet from the access easement.
    Applies: Homes next to a vehicle access easement serving 3 to 4 units.
    § 27.60.040 · code text
    No residential structure shall be closer than five feet to the easement.
  • A pedestrian access easement must be at least 5 feet wide.
    Applies: Where a lot does not border a public street and no parking spaces are required or proposed.
    § 27.60.040 · code text
    Easement width shall be a minimum of five feet;
  • A pedestrian access easement may be no longer than 200 feet.
    Applies: A lot that does not border a public street and has no required or proposed parking.
    § 27.60.040 · code text
    Pedestrian access easements shall not exceed 200 feet in length.
  • A vehicle access easement must be at least 25 feet from an intersection.
    § 27.60.040 · code text
    Vehicle access easements shall not be located closer than 25 feet to an intersection.
  • No development, including grading or removing vegetation, without a building permit for housing meeting city two-unit or ADU standards.
    Applies: Development on either lot during or after an urban lot split.
    § 27.60.060 · code text
    No development, including grading or vegetation removal, shall commence on either lot, concurrent or subsequent to an urban lot split, unless it is approved with a valid building permit for the construction of a housing development and complies with all the objective development and design standards outlined for two-unit residential development or accessory dwelling units in Sections 30.185.440 and 30.185.040, or Chapters 28.80 and 28.86, or any other adopted objective design standards in effect at the time a complete application is submitted.
Owner occupancy
  • At least 3 years.
    Applies: The owner intends to live in a home on a new lot as their main residence, counted from the parcel map's recording.
    § 27.60.020 · code text
    The owner intends to occupy one of the housing units located on a lot created by the parcel map as their principal residence for a minimum of three years from the date of the recording of the parcel map.

Who this affects

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Frequently asked questions

Can I split my lot under SB 9 in Santa Barbara?

Santa Barbara's code: Neither new lot may be smaller than 40% of the original lot's area. (Urban lot split into no more than 2 lots of about equal area.) (§ 27.60.030); Each new lot must be at least 1,200 square feet. (§ 27.60.030).

General information, not legal advice.

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Ask GoCodebook how Santa Barbara's lot splits under sb 9 rules apply to your situation and get an answer that cites the section.

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