What Is Title 24 and Why It Matters
Title 24 is California’s energy code. Section 130.1 outlines mandatory lighting controls for commercial buildings. If you’re upgrading lights in a retail space, office, warehouse, or tenant improvement project in San Leandro, these rules apply.
Need more general information? Start with our electrical permit rules in San Leandro.
When Do Lighting Control Rules Apply?
You must follow Title 24 Section 130.1 when:
- Installing or replacing indoor lighting systems
- Changing over 10% of lighting in a commercial space
- Remodeling spaces over 100 square feet
Permit approval and final inspection depend on compliance with these controls.
Required Lighting Control Types
| Control Type | Where It’s Required |
|---|---|
| Manual Area Controls | Every enclosed room or space |
| Multi-Level Lighting | Rooms over 100 sq ft or over 0.5W/sq ft |
| Occupant Sensing Devices | Restrooms, break rooms, offices, storage |
| Automatic Shut-Off | All lighting must shut off when unoccupied |
| Daylight Dimming Zones | Spaces with windows or skylights |
| Demand Responsive Controls | Spaces over 10,000 sq ft |
Inspection and ATT Testing
San Leandro requires Title 24 Acceptance Testing for most commercial lighting projects. A certified Acceptance Test Technician (ATT) must test the system after installation. The city inspector may also review the test results before final sign-off.
How to Get a Permit
- Download the form at the San Leandro Building Division
- Submit a lighting plan that includes Title 24 compliance info
- Get permit approval and schedule work
- Complete the ATT test
- Pass city inspection
Need Help With Title 24 Compliance?
Electrical contractors for commercial projects like Momentum Electric can handle Title 24 lighting from start to finish — design, installation, documentation, and inspection.
- Phone: (415) 559-3333
- Lighting Projects: See Commercial Lighting Services
San Leandro Permit Office Info
- Address: 835 E. 14th Street, San Leandro, CA 94577
- Phone: (510) 577-3405
- Permit Portal: Building Division Website