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Wildomar · Building on your lot

Lot splits under SB 9 in Wildomar

Wildomar'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 Wildomar Municipal Code it was read from, with the code text one click away (checked October 2026). General information, not legal advice.

What Wildomar's code says

Wildomar code What Wildomar's code adds
How the lot may be divided
  • Each new lot must be at least 40% of the original lot's area.
    Applies: Urban lot splits.
    § 16.72.020 · code text
    Is at least 40% of the lot area of the original parcel;
Unit size
  • At most 1,200 square feet of floor area.
    Applies: New homes built under the urban lot split rules.
    § 16.72.050 · code text
    New dwelling units constructed under this chapter shall be no more than 1,200 square feet in floor area.
Minimum new lot size
  • Each new lot must be at least 1,200 square feet.
    Applies: Each new lot.
    § 16.72.020 · code text
    Is at least 1,200 square feet in size;
Standards
  • No more than 2 new lots.
    Applies: A proposed urban lot split.
    § 16.72.020 · code text
    The proposed urban lot split will create no more than two new parcels, and each of the newly created parcels meets the following requirements:
  • Only lots in the R-R, R-R-O, R-1, R-1A, R-A, R-T or R-T-R zones qualify.
    § 16.72.020 · code text
    The parcel to be subdivided is located within the R-R, R-R-O, R-1, R-1A, R-A, R-T, or R-T-R zone.
  • Each lot needs at least 24 feet of street frontage.
    Applies: A flag lot may use a driveway or private road at least 12 feet wide.
    § 16.72.030 · code text
    Lots without 24 feet or more of frontage on a street will not be permitted.
  • No added setback is required.
    Applies: An existing structure, or one built in the same place and to the same size.
    § 16.72.030 · code text
    No additional setback shall be required for an existing structure, or a structure constructed in the same location and to the same dimensions as an existing structure.
  • Standards do not apply where they would prevent 2 units or force a unit under 800 square feet.
    Applies: Zoning and design standards for urban lot splits.
    § 16.72.050 · code text
    The standards described in this paragraph shall apply to all urban lot splits except where such standard directly conflicts with a provision of this chapter, or whether the applicant demonstrates that such zoning district standard or design standard would have the effect of the effect of physically precluding the construction of two units on either of the resulting parcels or would necessarily result in a unit size of less than 800 square feet.
Owner occupancy
  • At least 3 years.
    Applies: The owner intends to live in 1 unit as their main home from approval; not required for a community land trust or qualified nonprofit.
    § 16.72.020 · code text
    The owner of the parcel intends to occupy one of the housing units as their principal residence for a minimum of three years from the date of the approval of the urban lot split.
Parking
  • 1 off-street parking space.
    Applies: Each lot; none needed within ½ mile walk of a high-quality transit corridor or major transit stop, or 1 block of car-share.
    § 16.72.030 · code text
    A minimum of one off-street parking space shall be provided on each parcel except no parking shall be required where the parcel meets one or both of the following instances:
  • No parking is required.
    Applies: Lots within ½ mile walking distance of a high-quality transit corridor or major transit stop.
    § 16.72.030 · code text
    The parcel is located within one-half mile walking distance of either a high-quality transit corridor, as defined in subdivision (b) of Section 21155 of the Public Resources Code, or a major transit stop, as defined in Section 21064.3 of the Public Resources Code.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in Wildomar?

Wildomar's code: Each new lot must be at least 1,200 square feet. (Each new lot.) (§ 16.72.020); At least 3 years. (The owner intends to live in 1 unit as their main home from approval; not required for a community land trust or qualified nonprofit.) (§ 16.72.020).

General information, not legal advice.

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