Panel Permits: Mountain View vs Palo Alto
How do panel permits rules compare between Mountain View, CA and Palo Alto, CA?
Mountain View and Palo Alto 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 →Palo Alto, CA
Santa Clara County
Palo Alto strongly supports residential solar with online SolarAPP+ permitting, Title 24 solar mandate compliance for new homes, and CPAU net energy metering programs.
View full Palo Alto rules →Key Facts Comparison
| Fact | Mountain View | Palo Alto |
|---|---|---|
| Permit platform | SolarAPP+ | - |
| Approval time | Same-day for standard systems | - |
| Title 24 mandate | Required on new homes | - |
| Fire setback ridge | 18-36 inches | - |
| Interconnection | PG&E NEM 3.0 | - |
| Permit Platform | - | SolarAPP+ same-day |
| Title 24 | - | Mandatory on new residential |
| Net Metering | - | CPAU favorable tariff |
| Storage Setbacks | - | CRC 7A fire standards |
| Historic Review | - | HRB for designated districts |
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.
Palo Alto FAQ
How long does a solar permit take?
Most residential rooftop solar permits in Palo Alto are issued same-day through SolarAPP+ automated review. Complex or historic projects may take longer.
Is Palo Alto NEM better than PG&E NEM 3.0?
Yes, because Palo Alto is a municipal utility (CPAU), it sets its own net metering policy independent of CPUC NEM 3.0 rules that apply to PG&E customers.
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