Panel Permits: Mountain View vs Sunnyvale
How do panel permits rules compare between Mountain View, CA and Sunnyvale, CA?
Mountain View and Sunnyvale have similar restriction levels.
Mountain View, CA
Santa Clara County
Mountain View processes residential rooftop solar permits through SolarAPP+ for same-day online approval. Title 24 Solar Mandate requires PV systems on new single-family homes and low-rise multi-family construction.
View full Mountain View rules →Sunnyvale, CA
Santa Clara County
Sunnyvale offers online solar permits under AB 1236 and SB 379. Residential rooftop PV typically earns same-day approval. Title 24 Solar Mandate requires solar on most new homes.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Mountain View | Sunnyvale |
|---|---|---|
| Permit platform | SolarAPP+ | - |
| Approval time | Same-day for standard systems | - |
| Title 24 mandate | Required on new homes | Solar on new homes |
| Fire setback ridge | 18-36 inches | - |
| Interconnection | PG&E NEM 3.0 | - |
| Legal basis | - | AB 1236 + AB 379 |
| System cap | - | Expedited under 15 kW |
| Batteries | - | Separate permit; fire review |
| Inspection | - | Grounding, labels, rapid shutdown |
Highlighted rows indicate differences between cities.
Mountain View FAQ
How long does a solar permit take in Mountain View?
Qualifying systems submitted through SolarAPP+ are typically approved within minutes online, with inspection scheduled after installation. Complex systems may take 2-3 weeks for plan review.
Is solar required on new homes?
Yes. California Title 24 Energy Code Section 150.1(c) requires photovoltaic systems on all newly-built single-family homes and low-rise multi-family buildings, sized to offset annual electricity consumption.
Sunnyvale FAQ
How fast is a solar permit in Sunnyvale?
Most residential systems under 15 kW are approved online in one business day via SolarAPP+ or the Sunnyvale portal.
Do I need solar on a new home?
Yes. Title 24 Part 6 requires solar PV on most newly constructed California single-family homes.
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