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Earlier editions: 20222019

Appendix BO — EXISTING BUILDINGS AND STRUCTURES

BO107 Relocated Buildings — 2025 California Residential Code

California Residential Code (Title 24, Part 2.5) · 2025 edition · updated 2026-10-19 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

Cite as: 2025 California Residential Code (Title 24, Part 2.5) § BO107 · Effective January 1, 2026 · Official source: Building Standards Commission

BO107.1 General.

Residential buildings or structures moved into or within the jurisdiction are not required to comply with the requirements for new construction under this code, provided they comply with all of the following conditions:

  1. The building shall be safe for human occupancy as determined by the California Fire Code and the International Property Maintenance Code .

  2. Any repair, alteration or change of use undertaken within the relocated structure shall comply with the requirements of this code applicable to the work being performed.

  3. Any field fabricated elements shall comply with the applicable requirements of this code.

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▸Contents — California Residential Code (Title 24, Part 2.5)
California Residential Code (Title 24, Part 2.5)

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