Skip to content

Galt · Building on your lot

Lot splits under SB 9 in Galt

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

What Galt's code says

Galt code What Galt'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.
    § 18.70.050 · code text
    Each of the resulting lots must be between forty percent (40%) and sixty percent (60%) of the original lot area.
Unit size
  • Limited to its lawful floor area at the time of the split.
    Applies: Applies to a primary home legally built before the split and larger than 800 square feet; it may not be expanded.
    § 18.70.050 · code text
    A primary dwelling that was legally established prior to the urban lot split and that is larger than eight hundred (800) square feet is limited to the lawful floor area at the time of the urban lot split. It may not be expanded.
  • May be expanded to 800 square feet after the lot split.
    Applies: Applies to a primary home legally built before the split and smaller than 800 square feet.
    § 18.70.050 · code text
    A primary dwelling that was legally established prior to the urban lot split and that is smaller than eight hundred (800) square feet may be expanded to eight hundred (800) square feet after the urban lot split.
Minimum new lot size
  • At least 1,200 square feet.
    Applies: Applies to each resulting lot.
    § 18.70.050 · code text
    The resulting lots must each be at least one thousand two hundred (1,200) square feet.
Standards
  • The lot to be split must be at least 2,400 square feet.
    Applies: Applies to the lot to be split.
    § 18.70.050 · code text
    The lot to be split must be at least two thousand four hundred (2,400) square feet.
  • No more than 2 dwelling units on a resulting lot.
    Applies: Counts any kind of unit, including a primary home, ADU or JADU.
    § 18.70.050 · code text
    No more than two (2) dwelling units of any kind may be built on a lot that results from an urban lot split.
  • A new primary home may be at most one story or 25 feet tall, measured from grade to peak.
    Applies: Applies to new primary homes on resulting lots larger than 2,000 square feet.
    § 18.70.050 · code text
    On a resulting lot that is larger than two thousand (2,000) square feet, no new primary dwelling unit may exceed a single story or twenty-five (25) feet in height, measured from grade to peak of the structure.
  • No rooftop decks.
    Applies: Applies to new or remodeled homes or structures on a resulting lot.
    § 18.70.050 · code text
    No rooftop deck is permitted on any new or remodeled dwelling or structure on a lot resulting from an urban lot split.
  • Total lot coverage may not exceed 65%.
    Applies: Enforced only where it does not prevent two 800-square-foot primary homes.
    § 18.70.050 · code text
    No resulting lot subject to this division may result in the total lot coverage of the resulting lot to exceed sixty-five percent (65%).
  • Open space may not fall below 35% of the lot.
    Applies: Enforced only where it does not prevent two 800-square-foot primary homes.
    § 18.70.050 · code text
    No resulting lot subject to this division may result in the total open space area falling below thirty-five percent (35%).
  • The underlying zone's setbacks apply.
    Applies: Except for existing legal structures, and where they would block 2 units of 800+ square feet; never under 4 feet from side or rear lines.
    § 18.70.050 · code text
    All setbacks must conform to those objective setbacks that are imposed through the underlying zone.
  • At least 20 feet of frontage on the public right-of-way.
    Applies: Applies to each resulting lot.
    § 18.70.050 · code text
    Each resulting lot must have frontage on the public right-of-way of at least twenty (20) feet.
Setbacks
  • At least 4 feet from side and rear property lines.
    Applies: Applies when zone setbacks give way to allow up to 2 units of 800 square feet.
    § 18.70.050 · code text
    but in no event may any structure be less than four (4) feet from a side or rear property line.
  • At least 15 feet from front property lines; 20 feet to the garage door.
    Applies: Applies to homes built after an urban lot split.
    § 18.70.050 · code text
    dwellings that are constructed after an urban lot split must be at least fifteen (15) feet from the front property lines, twenty (20) feet to the garage door.
  • No setback required.
    Applies: Applies to existing legal structures, or new ones built in the same place and size as an existing legal structure.
    § 18.70.050 · code text
    No setback is required for an existing legally established structure or for a new structure that is constructed in the same location and to the same dimensions as an existing legally established structure.

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in Galt?

Galt's code: Each new lot must be between 40% and 60% of the original lot area. (Applies to each resulting lot.) (§ 18.70.050); Limited to its lawful floor area at the time of the split. (Applies to a primary home legally built before the split and larger than 800 square feet; it may not be expanded.) (§ 18.70.050).

General information, not legal advice.

Ask about a specific Galt property

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

Ask your question

More on building on your lot in Galt