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Historic homes in El Cajon

El Cajon's own rules on historic homes, with the code text for every value.

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

What El Cajon's code says

El Cajon code What El Cajon's code adds
When a building counts as historic
  • 75 years.
    Applies: One criterion for designating a historic resource: a structure, building or improvement built at least 75 years ago.
    § 17.55.060 · code text
    Involves a structure, building or improvement constructed at least seventy-five years ago.
Changing a historic home
  • A certificate of modification is required.
    Applies: Applies to alteration, construction, addition or relocation on a designated historic resource.
    § 17.55.070 · code text
    No person shall carry out or cause to be carried out on a designated historic resource any of the following activities without a certificate of modification: alteration to such buildings, structures, or improvements, or any part thereof, including construction, demolition, addition, or relocation.
Demolishing an older or historic home
  • A certificate of modification is required.
    Applies: Applies to demolition of a designated historic resource.
    § 17.55.070 · code text
    No person shall carry out or cause to be carried out on a designated historic resource any of the following activities without a certificate of modification: alteration to such buildings, structures, or improvements, or any part thereof, including construction, demolition, addition, or relocation.
  • No certificate of modification is required. A demolition permit may be issued.
    Applies: Applies when the city manager or designee finds demolition immediately necessary for public health or safety.
    § 17.55.070 · code text
    Where it is determined by the city manager or designee, that demolition, removal or alteration of a designated historic resource is immediately necessary in the interest of the public health or safety, a demolition permit may be issued without the owner first obtaining a certificate of modification.
  • Permit applications are not accepted or issued while designation proceedings are pending.
    Applies: Applies once a complete designation application has a hearing date. After 180 days without final action, the permit application may be approved.
    § 17.55.060 · code text
    When the application (requesting consideration of a historic resource designation) has been accepted as complete and a public hearing date has been assigned (the filing date), the director of community development shall notify the building and fire safety division to accept no further applications for permits to construct, alter or demolish any building, structure, or improvement on the subject property nor to issue any permits that are based on applications made after the filing date, while proceedings are pending on such designation; provided, however, that after one hundred eighty days have elapsed from the date of the notice, if final action on such designation has not been completed, the permit application may be approved.
Work that needs no review
  • Routine maintenance needs no review.
    Applies: Applies if it does not require a building permit.
    § 17.55.070 · code text
    Routine maintenance, which does not require a building permit.
  • Entirely interior alterations need no review.
    Applies: Applies if they do not affect the exterior of the building, structure or improvement.
    § 17.55.070 · code text
    All alterations which are entirely interior and do not affect the exterior of the building, structure or improvement.
  • Alterations in the interest of public health or safety need no review.
    Applies: As determined by the city manager or designee.
    § 17.55.070 · code text
    Alterations in the interest of public health or safety as determined by the city manager or designee.
  • Demolition in the interest of public health or safety needs no review.
    Applies: As determined by the city manager or designee.
    § 17.55.070 · code text
    Demolition in the interest of public health or safety as determined by the city manager or designee.
  • Ordinary maintenance and repair of exterior features needs no review.
    Applies: Applies if it does not change design, material, color or appearance.
    § 17.55.070 · code text
    Nothing in this article shall be construed to prevent the ordinary maintenance and repair of any exterior feature of any designated historic resource that does not involve a change in design, material, color, or appearance thereof.
Mills Act tax incentive
  • Available. The city council may, after a Historic Preservation Commission recommendation, enter Mills Act contracts with owners of historic resources.
    § 17.55.190 · code text
    To make historic preservation incentives available to El Cajon residents, the city council authorizes the use of contracts pursuant to California Government Code Section 50280 et seq., alternately known as "Historical Property Contracts" or the "Mills Act.”

Who this affects

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Frequently asked questions

What rules apply to a historic home in El Cajon?

El Cajon's code: 75 years. (One criterion for designating a historic resource: a structure, building or improvement built at least 75 years ago.) (§ 17.55.060); A certificate of modification is required. (Applies to alteration, construction, addition or relocation on a designated historic resource.) (§ 17.55.070).

General information, not legal advice.

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