Historic homes in San Joaquin County: the local rules

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

What San Joaquin County's code says

San Joaquin County code What San Joaquin County's code adds
When a building counts as historic	A demolition permit is required for any building, structure or object more than 45 years old Also required for any structure in a historic district or landmark, or on a county, state or federal historic register § 9-705.120 · code text A Demolition Permit is required for any structure subject to a Historic District or Landmark designation, or listed in the San Joaquin County, Federal, or State Historic Registers, and any building, structure, or object more than 45 years old.
Changing a historic home	Discretionary decision subject to review under CEQA Applies: Altering a site subject to a Historic District or Landmark designation or listed in the County's Register § 9-705.120 · code text The decision to issue a permit to demolish a building, structure, or object or alter a site subject to a Historic District or Landmark designation or listed in the County's Register is discretionary and subject to review under CEQA. Certificate of Appropriateness required Applies: Demolition of a building, structure or object found eligible for listing, individually or as a contributing element of a historic district § 9-705.120 · code text If the building, structure, or object is determined to be eligible for listing either individually or as a contributing element, a Certificate of Appropriateness shall be required.
Demolishing an older or historic home	Demolition Permit required Applies: Any structure subject to Historic District or Landmark designation or on a historic register, or any building, structure or object more than 45 years old § 9-705.120 · code text A Demolition Permit is required for any structure subject to a Historic District or Landmark designation, or listed in the San Joaquin County, Federal, or State Historic Registers, and any building, structure, or object more than 45 years old. Application must include an eligibility evaluation on state historic resource forms; Zoning Administrator gives an opinion within 30 days Applies: Building, structure or object at least 50 years old that is not on the County Historic Register § 9-705.120 · code text An application for a permit to demolish a building, structure, or object that is at least 50 years old but not listed in the County's Historic shall include an eligibility evaluation on DPR523 series forms
Mills Act tax incentive	County may contract with the owner; potential reduction in property taxes Applies: Property listed on the National Register, California Register or San Joaquin County Historic Register, and within a designated Historic District or Landmark § 9-705.140 · code text Upon execution of the contract, the property owner will henceforth benefit from a potential reduction in property taxes

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Frequently asked questions

What rules apply to a historic home in San Joaquin County?

San Joaquin County's code: A demolition permit is required for any building, structure or object more than 45 years old (Also required for any structure in a historic district or landmark, or on a county, state or federal historic register) (§ 9-705.120); Discretionary decision subject to review under CEQA (Altering a site subject to a Historic District or Landmark designation or listed in the County's Register) (§ 9-705.120).

Historic homes in San Joaquin County

What San Joaquin County's code says

Who this affects

Frequently asked questions

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