The 2025 California Building Codes and City of Santa Clarita Amendments are enforceable for all residential and non-residential construction projects submitted on or after January 1, 2026. Projects submitted prior to January 1, 2026 shall comply with the 2022 Codes. The state codes have been amended by the City of Santa Clarita to address local topographic, climatic, and/or geologic conditions, and to include provisions pertaining to the administration of these codes. Click here for the 2025 City of Santa Clarita Amendments.
2025 Building Codes
- 2025 California Building Code (CBC)
- 2025 California Residential Code (CRC)
- 2025 California Electrical Code (CEC)
- 2025 California Mechanical Code (CMC)
- 2025 California Plumbing Code (CPC)
- 2025 California Fire Code (CFC)
- 2025 California Wildland-Urban Interface Code (CWUIC)
- 2025 California Energy Code
- 2025 Calgreen Code
- 2025 City of Santa Clarita Amendments
The State Building Codes are available here: California Building Standards Code Online
The City of Santa Clarita Municipal Code contains the City Building Code and other local regulations that may affect your project.
Local Design Criteria
- Seismic Design Category D, E or F as determined by USGS Maps and CBC Chapter 16
- Wind:
- Risk Category I: 85 mph
- Risk Category II: 95 mph
- Risk Category III: 100 mph
- Risk Category IV: 105 mph
- Rainfall 3” / hr.
- Climate Zone 9
Site Conditions
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Site conditions can affect the feasibility and design of your project. Some of the site conditions to be aware of include:
- Topography (slopes)
- Flood Hazard Zones
- Fire Hazard Zones
- Oak Trees
- Sewers and Septic Systems
- Easements
- Landscape Maintenance Districts (LMD)
- Unpermitted Construction
The city’s GIS mapping system can be used to identify site conditions which may be present within the city. Always perform a thorough on-site field verification of existing conditions before preparing plans or beginning construction on any property.
Click here to access the city’s GIS mapping system
