Shed Rules: Palo Alto vs Sunnyvale
How do shed rules rules compare between Palo Alto, CA and Sunnyvale, CA?
Palo Alto and Sunnyvale have similar restriction levels.
Palo Alto, CA
Santa Clara County
Detached sheds up to 120 square feet and under 12 feet tall are exempt from building permits in Palo Alto, but zoning setback rules still apply. Larger sheds require permits.
View full Palo Alto rules →Sunnyvale, CA
Santa Clara County
Sunnyvale allows backyard sheds up to 120 square feet without a building permit under Municipal Code Chapter 19.38. Sheds must meet setbacks and cannot be used as living space or connected to utilities.
View full Sunnyvale rules →Key Facts Comparison
| Fact | Palo Alto | Sunnyvale |
|---|---|---|
| Permit-exempt size | Up to 120 sq ft | - |
| Typical setback | 3 feet from property line | - |
| Max height | 12-15 feet typical | - |
| Electrical or plumbing | Separate permits required | - |
| No sleeping use | Requires ADU permit | - |
| Permit-free size | - | Up to 120 square feet |
| Side setback | - | 3 feet typical |
| Height limit | - | 10 feet |
| Utilities | - | No permanent hookups without permit |
| Habitable use | - | Prohibited |
Highlighted rows indicate differences between cities.
Palo Alto FAQ
Do I need a permit for a 100 sq ft shed?
No building permit, but you must still meet setbacks, lot coverage, and height limits under zoning.
Can I run electricity to my shed?
Yes, with an electrical permit. The shed structure itself may remain permit-exempt under size.
Sunnyvale FAQ
Can I use my shed as a home office?
A shed under 120 square feet without permits cannot be habitable. For an office structure consider a permitted ADU or JADU.
Do I need setbacks from the house itself?
Yes, typically 6 feet of separation from the main dwelling unless the shed is built to wall construction standards.
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