| Level | Requirement | Who Uses It |
|---|---|---|
| Mandatory | Base CALGreen | Everyone (your ADU) |
| Tier 1 | +15% better (e.g., 25% waste diversion) | LEED Silver, voluntary |
| Tier 2 | +30% better (e.g., net-zero ready) | LEED Gold/Platinum |
You only need Mandatory — no tiers required.
| Level | Requirement | Who Uses It |
|---|---|---|
| Mandatory | Base CALGreen | Everyone (your ADU) |
| Tier 1 | +15% better (e.g., 25% waste diversion) | LEED Silver, voluntary |
| Tier 2 | +30% better (e.g., net-zero ready) | LEED Gold/Platinum |
You only need Mandatory — no tiers required.