City of Walnut Creek (CA)
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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.
Report a correctionCodes
- NEC Code Version
- 2023
- Fire Code Version
- 2018 Building Code
- Code List
2025 CALIFORNIA BUILDING CODE
2025 CALIFORNIA ELECTRICAL CODE
2025 CALIFORNIA FIRE CODE
2025 CALIFORNIA PLUMBING CODE
2025 CALIFORNIA MECHANICAL CODE
2025 CALIFORNIA ENERGY CODE
2025 CALIFORNIA RESIDENTIAL CODE
2025 CALIFORNIA ADMINISTRATIVE CODE
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- SolarAPP+ Status
- Adopted
- Any SolarAPP+ Restrictions
- Yes
- SolarAPP+ Restrictions
- Existing Systems,Trenching,MPU,Derate
- How Many Plansets Required
- 3
- Revision Required
- No
- Rough Inspection
- None
- New Planset Required For Module Swap
- No
Stamps
- Wet Stamps Required
- None
- Structural Calculations Required
- Yes - Tile Roof
- Stamp Location On Plans
- Unspecified
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- Yes
- Setback Notes
Standard
Structural & loads
- Wind Speed
- 110
- Wind Notes
Exposure Category B
- Snow Load
- 0
- Snow Load Notes
0
- Reducible Snow Load Allowed
- Yes
- Max Attachment Spacing
- 96
- Structural Notes
- Structural only required for **_TILE ROOFS_ **
- Minimum Ground On Roof
- #10
Electrical
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Meter Adapter,PV Breaker,Line Side Taps,Load Side Taps
- Panel Schedule Required
- Partial Home Backup
- Temperature Rating
- 90
- De Rating Ampacity
- 0.96
Battery / ESS
- Unique Battery Placards Needed
- No
- ESS Notes
avoid garage mount - Can only install battery in garage if:
- garage is fully insulated
- garage is sprinklered
- fire dept. approves plans
- Separate ESS Disconnect Required
- ESS Disconnect
- ESS Elevation Detail Required
- No
Plan set
- Plan Set Requirements
For jobs with tile roofs, structural calcs are required
EV CHARGING PROJECTS: Add the EV charger to the description of work and to the line diagram.
- Electrical Diagram
Standard
- Custom Placards Required
- Yes
Ground mount
- Ground Mount Fencing Required
- Yes
- Ground Mount Notes
Ground mount fencing: Where PV source and output circuits operating at max system voltages greater than 30 volts are installed in readily accessible locations, circuit conductors shall be guarded or installed in a raceway