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City of Thousand Oaks (CA)

California Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredNone
Fire Setback Enforced1

Codes

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

IEBC Accepted
1
ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Adopted
Date SolarAPP+ Accepted
45212
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching
How Many Plansets Required
Other (See Submission Notes)
Revision Required
1
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
No
Wet Stamps Required
None
Structural Calculations Required
Yes
Stamp Location On Plans
Unspecified
Date On Stamps
Expiration Date

Fire setbacks

Fire Setback Enforced
1
Setback Notes

Standard

Structural & loads

Wind Speed
110
Wind Notes

Exposure Category B

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Structural Notes

The attachment spacing for the array to be listed on both the plan and on the structural engineering calculations.

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
PV Breaker,Load Side Taps,Line Side Taps,Meter Adapter
Panel Schedule Required
Partial Home Backup
Service Ground Requirements

GMA projects: GEC to be minimum #8

Temperature Rating
90
De Rating Ampacity
1

Battery / ESS

Unique Battery Placards Needed
0
ESS Notes

Standard

ESS disconnect required within 6ft of MSP on same wall and not blocked by walls/gates/etc


When installing Batteries in Garage, the elevation plan should also include floor plan with dimensions.

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
Yes - with dimensions

Plan set

Plan Set Requirements

Fill out PV standard plans, **Checklist,** and PC structural forms

Cover Page

Provide a scope of work and identify what the use of the structure is where the solar panels will be mounted.

Attachment Detail

3" lags with minimum 2 1/2" penetration depth are required

Electrical Diagram

GMA projects: GEC to be minimum #8 Surge protection device required for MPU projects. Indicate the SPD on the line diagram Centerfed 120% allowed

Label Page

Fill out the date of calculation on the system size label

Custom Placards Required
1

Ground mount

Ground Mount Fencing Required
Yes
Ground Mount Notes

**GM's** : Conductors & Free air cannot be accessible.

Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Thousand Oaks (CA) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.