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Baldwin Park · Building on your lot

Lot splits under SB 9 in Baldwin Park

Baldwin Park's own rules on lot splits under SB 9, with the code text for every value.

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

What Baldwin Park's code says

Baldwin Park code What Baldwin Park's code adds
Setbacks
  • At least 20 feet front setback.
    Applies: Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.
    § 153.040.300 · code text
    Minimum front minimum | 20 feet
  • At least 4 feet interior side setback.
    Applies: Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.
    § 153.040.300 · code text
    Interior side minimum | 4 feet
  • At least 4 feet street-side setback.
    Applies: Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.
    § 153.040.300 · code text
    Street side | 4 feet
  • At least 4 feet rear setback.
    Applies: Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.
    § 153.040.300 · code text
    Minimum rear | 4 feet
Standards
  • At most 16 feet tall and one story at ground level, measured to the highest point of the roof.
    Applies: Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.
    § 153.040.300 · code text
    | Dwelling unit height (maximum) for: (1) new unit on lot with an existing unit; and (2) lot where two new units are proposed | 16 feet | Limited to one story at ground level, measured to the highest point on roof.
  • Buildings may cover at most 45% of the lot, counting all primary and accessory buildings.
    § 153.040.300 · code text
    | Maximum lot coverage | 45% of lot area | Includes all buildings, primary and accessory.
  • Lot coverage may go up to 60% as an exception.
    Applies: Only when needed to allow 2 primary units of at least 800 square feet.
    § 153.040.300 · code text
    (a) Lot coverage up to 60%;
  • Each unit at least 500 square feet; each unit is always allowed at least 800 square feet.
    Applies: Applies to each unit where 2 new units are proposed.
    § 153.040.300 · code text
    | Minimum | 500 square feet | In any circumstance, each unit is allowed to be at least 800 square feet in size.
  • At least 6 feet between buildings, including all detached structures.
    § 153.040.300 · code text
    | Minimum building separation | 6 feet | Applies also to all detached structures on the lot.
  • Private open space of at least 20% of the lot, split equally per unit, at least 15 feet each way.
    Applies: Located in the interior side, street side or rear yard.
    § 153.040.300 · code text
    | Minimum private open space area | 20% of lot area, divided equally per unit | Area shall be continuous, with a minimum length and width dimension of 15 feet.
  • A shared driveway is required; no parking on shared driveways.
    Applies: Applies to lots 50 feet wide or less.
    § 153.040.310 · code text
    On lots 50 feet or less in width, a common driveway shall be used to access both units. For urban lot splits, reciprocal access via the driveway shall be required and recorded via a deed for both properties. No parking shall be permitted on such common driveways.
  • The front door faces the street; on a corner lot, both units may face the same street.
    Applies: Applies to the unit closest to the street.
    § 153.040.310 · code text
    The unit located closest to the street shall have the front door oriented toward the street. On a corner lot, both units may be oriented toward the same street.
  • Landscape strip of 5+ feet; lots under 50 feet wide: 10% of lot width or 3 feet, whichever is greater.
    Applies: Applies to driveways leading to a front-facing garage.
    § 153.040.310 · code text
    All driveways that lead to a front-facing garage shall have a minimum five foot wide landscaped area between the driveway and the adjacent side property line. For lots less than 50 feet in width, the required landscaped area shall be a minimum of 10% of the lot width or three feet, whichever is greater.
  • Garage faces at least 20 feet from the front lot line, or the side lot line on a corner lot.
    § 153.040.310 · code text
    All garage faces shall be set back a minimum distance of 20 feet from the front lot line or, on a corner lot, from the side lot line.
  • The garage or carport entrance is at least 4 feet from the rear property line.
    Applies: Applies to a detached garage or carport with access to an adjoining alley.
    § 153.040.310 · code text
    The garage or carport entrance is set back a minimum of four feet from the rear property line;
Parking
  • At least 1 parking space per unit.
    § 153.040.300 · code text
    | Minimum number of parking spaces | 1 space per dwelling unit | Parking for an existing primary dwelling unit shall be maintained for that unit as required by § 153.150.
  • No parking spaces required.
    Applies: Applies if the lot is within a half-mile walk of a high-quality transit corridor or a major transit stop.
    § 153.040.300 · code text
    The lot is located within one-half mile walking distance of either a high-quality transit corridor, as defined in Cal. Public Resources Code § 21155(b), or a major transit stop, as defined in Cal. Public Resources Code § 21064.3.
  • No parking spaces required.
    Applies: Applies if a car share vehicle is within 1 block of the lot.
    § 153.040.300 · code text
    There is a car share vehicle located within one block of the lot.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in Baldwin Park?

Baldwin Park's code: At most 16 feet tall and one story at ground level, measured to the highest point of the roof. (Applies to a new unit on a lot with an existing unit, or a lot where 2 new units are proposed.) (§ 153.040.300); Buildings may cover at most 45% of the lot, counting all primary and accessory buildings. (§ 153.040.300).

General information, not legal advice.

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