Lot splits under SB 9 in Colton: the local rules

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

What Colton's code says

Colton code What Colton's code adds
How the lot may be divided	Each new lot must be between 40% and 60% of the original lot area. Applies: Applies to each resulting lot. § 16.22.050 · code text Each of the resulting lots must be between 60 percent and 40 percent of the original lot area.
Unit size	More than 500 and no more than 800 square feet. Applies: Applies to each new primary dwelling on a lot created by an urban lot split. § 16.22.050 · code text more than 500 square feet. Limited to its lawful floor area at the time of the urban lot split. Applies: Applies to a primary dwelling legally built before the split and larger than 800 square feet. § 16.22.050 · code text A primary dwelling that was legally established prior to the urban lot split and that is larger than 800 square feet is limited to the lawful floor area at the time of the urban lot split. May be expanded to 800 square feet after the urban lot split. Applies: Applies to a primary dwelling legally built before the split and smaller than 800 square feet. § 16.22.050 · code text A primary dwelling that was legally established prior to the urban lot split and that is smaller than 800 square feet may be expanded to 800 square feet after the urban lot split.
Minimum new lot size	Each new lot must be at least 1,200 square feet. Applies: Applies to each resulting lot. § 16.22.050 · code text The resulting lots must each be at least 1,200 square feet.
Standards	No more than 2 dwelling units of any kind may be built on the lot. Applies: Applies to a lot created by an urban lot split. § 16.22.050 · code text No more than two dwelling units of any kind may be built on a lot that results from an urban lot split. Each new lot must adjoin the public right-of-way with at least 12.5 feet of frontage. Applies: Applies to each resulting lot. § 16.22.050 · code text Each resulting lot must have frontage on the public right-of-way of at least 12.5 feet. The lot to be split must be at least 2,400 square feet. Applies: Applies to the original lot. § 16.22.050 · code text The lot to be split must be at least 2,400 square feet. No new primary dwelling may exceed a single story or 16 feet. Applies: Applies to a resulting lot larger than 2,000 square feet. § 16.22.050 · code text On a resulting lot that is larger than 2,000 square feet, no new primary dwelling unit may exceed a single story or 16 feet

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Frequently asked questions

Can I split my lot under SB 9 in Colton?

Colton's code: Each new lot must be at least 1,200 square feet. (Applies to each resulting lot.) (§ 16.22.050); More than 500 and no more than 800 square feet. (Applies to each new primary dwelling on a lot created by an urban lot split.) (§ 16.22.050).

Lot splits under SB 9 in Colton

What Colton's code says

Who this affects

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