City of Millbrae (CA)

California Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusTargeted

Wet Stamps RequiredDigital Structural

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

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status: Targeted

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: MPU,Derate

Revision Required: 0

New Planset Required For Module Swap: 0

Stamps

Ee Stamp Required On SLD: No

Wet Stamps Required: Digital Structural

Structural Calculations Required: Yes

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

Minimum Ground On Roof: #10

Electrical

AC Disconnect Required: Yes

Electrical Load Calcs Required: Derates

Allowed POI: Load Side Taps,PV Breaker,Line Side Taps,Meter Adapter

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 1

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes

Follow manufacture installation requirements

If ESS is installed inside of garage, 1207.11.6 states that a smoke alarm or heat alarm shall be installed in the vicinity of the battery system. As such, please address each of the following:

Please also note on the plans that the new alarm must be interconnected with the smoke alarm in the home (per the alarm’s installation instructions).
In addition, please provide the model number and information sheet about such detector/alarm.

Separate ESS Disconnect Required: ESS Disconnect

ESS Elevation Detail Required: No

Plan set

Plan Set Requirements

All plans shall be submitted in black and white only, colored plans will not be accepted as color is reserved for Building Division staff markups.

Site Notes

Property must comply with the City of Millbrae front yard landscaping requirement (Municipal code section 10.05.0620(G)(2)). Please provide a note on a site plan if the property complies with the front yard landscaping requirement. If the property is currently not compliant, modifications to the site must be made to comply with the requirement prior to the final inspection and sign-off of the permit

For ESS installed in garage:

1207.11.6 states that a smoke alarm or heat alarm shall be installed in the vicinity of the battery system. As such, please address each of the following:

Please update the plans to show a smoke alarm (or heat alarm in areas where a smoke alarm cannot be installed based on their listing) in the attached garage.
Please also note on the plans that the new alarm must be interconnected with the smoke alarm in the home (per the alarm’s installation instructions).
In addition, please provide the model number and information sheet about such detector/alarm

Electrical Diagram: Energy storage: Can have one large AC disconnect (external, manually operated) for whole system or can have AC disconnect for battery and PV separate

Label Page

For ESS:

Include a sign with the exact wording. “ENERGY STORAGE SYSTEM DISCONNECT.” The sign must include the Nominal AC Voltage and Maximum DC voltage of the ESS system. CEC 706.15(C)
Include a label containing the contact information for the qualified maintenance and service providers. CRC R328.11

Custom Placards Required: 1

Ground mount

Ground Mount Fencing Required: No

Setback Front Yard: 5

Setback Back Yard: 5

Setback Side Yard: 5