Section 504E — COMPLIANCE REQUIREMENTS

504E.3 Compliance Tiers.

San Francisco Building Inspection Commission Codes · 2022 edition · ingested 2026-07-08 · San Francisco

504E.3 Compliance Tiers. Each building not exempt from this Chapter shall be assigned to one of the following Compliance Tiers:

  1. Tier I: Buildings that contain a Group A, E, R-2.1, R-3.1 or R-4 occupancy on any story.

  2. Tier II: Buildings containing 15 or more dwelling units except for buildings assigned to Tier I or Tier IV.

  3. Tier III: Buildings not falling within the definition of another tier.

  4. Tier IV: Buildings that contain a Group B or M occupancy on the first story or in a basement or under-floor area that has any portion extending above grade, and buildings that are in mapped liquefaction zones, except for buildings assigned to Tier I.

GoCodebook provides limited public access, search, citation, multilingual explanation, and practical interpretation of legally adopted building regulations. It is not a substitute for the official ICC or California code publications.