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San Juan Capistrano · Building on your lot

Lot splits under SB 9 in San Juan Capistrano

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

What San Juan Capistrano's code says

San Juan Capistrano code What San Juan Capistrano's code adds
Standards
  • The lot to be split must be in a single-family residential zoning district.
    § 9-4.709 · code text
    The lot to be split is in a single-family residential zoning district.
  • The lot cannot be prime or statewide-important farmland, wetlands, protected habitat, conservation-plan land or under a conservation easement.
    Applies: Lots in fire hazard, earthquake fault, flood or hazardous waste areas qualify only if they meet the stated mitigation, seismic, flood or cleanup rules.
    § 9-4.709 · code text
    The lot to be split is not located on a site that is any of the following:
  • The lot cannot be a listed historic property or in a historic district, or a designated City or County landmark.
    § 9-4.709 · code text
    The lot to be split must not be a historic property or within a historic district that is included on the State Historic Resources Inventory.
  • The lot cannot come from a prior urban lot split, or adjoin such a lot split by the owner.
    Also covers a split by a person acting in concert with the owner.
    § 9-4.709 · code text
    The lot to be split was not established through a prior urban lot split.
  • The split cannot demolish or alter income-restricted, rent-controlled, recently Ellis Act-withdrawn or recently tenant-occupied housing.
    Applies: Ellis Act withdrawal within the 15 years before the application; tenant occupancy within the last 3 years.
    § 9-4.709 · code text
    The urban lot split must not require or include the demolition or alteration of any of the following types of housing:

Who this affects

HomeownersContractorsDesigners

Frequently asked questions

Can I split my lot under SB 9 in San Juan Capistrano?

San Juan Capistrano's code: The lot to be split must be in a single-family residential zoning district. (§ 9-4.709); The lot cannot be prime or statewide-important farmland, wetlands, protected habitat, conservation-plan land or under a conservation easement. (Lots in fire hazard, earthquake fault, flood or hazardous waste areas qualify only if they meet the stated mitigation, seismic, flood or cleanup rules.) (§ 9-4.709).

General information, not legal advice.

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