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Rolling Hills Estates · Building on your lot

Lot splits under SB 9 in Rolling Hills Estates

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

What Rolling Hills Estates's code says

Rolling Hills Estates code What Rolling Hills Estates's code adds
How the lot may be divided
  • Each new lot must be at least 40% of the original lot's area.
    § 16.06.030 · code text
    Both proposed newly created parcels must be of approximately equal lot area, which for purposes of this subsection means that one parcel may not be smaller than forty percent of the lot area of the original parcel proposed for subdivision.
Standards
  • At least 15 feet wide.
    Applies: Easement over the front lot to the rear lot for access, utilities and fire department access.
    § 16.06.040 · code text
    An easement at least fifteen-feet wide must be provided over the front parcel to the rear parcel for access to the public right of way, providing quasi-public services and facilities, maintenance of utilities, and fire department access.
  • At least 15 feet wide.
    Applies: Private access easement over the front lot, when a new lot does not border a public right-of-way.
    § 16.06.040 · code text
    If a resulting lot is not directly adjacent to a public right of way, a private access easement at least fifteen-feet wide must be provided over the front parcel to the rear parcel for access to the public right of way.
  • 10 feet wide.
    Applies: Easements for sewer lateral, water lateral and drainage across the shared lot line.
    § 16.06.040 · code text
    Ten-foot wide easements must be provided over one of the parcels being created for private sewer lateral, water lateral and/or drainage that may cross over the shared property line in favor of the other parcel being created.
  • No new access from an arterial street.
    § 16.06.040 · code text
    No new access from an arterial street will be permitted.
  • Residential use only.
    Applies: Applies to lots created by an urban lot split.
    § 16.06.040 · code text
    The use of a parcel subdivided as an urban lot split is limited to residential use.
Owner occupancy
  • The owner signs an affidavit to live in one unit as a main home for at least 3 years.
    Applies: Applies when the owner intends to live in one of the units as their main home.
    § 16.06.030 · 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.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in Rolling Hills Estates?

Rolling Hills Estates's code: Each new lot must be at least 40% of the original lot's area. (§ 16.06.030); The owner signs an affidavit to live in one unit as a main home for at least 3 years. (Applies when the owner intends to live in one of the units as their main home.) (§ 16.06.030).

General information, not legal advice.

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