Shed Rules: Vacaville vs Vallejo
How do shed rules rules compare between Vacaville, CA and Vallejo, CA?
Vacaville and Vallejo have similar restriction levels.
Vacaville, CA
Solano County
Vacaville sheds 120 square feet or smaller are exempt from a building permit under California Building Code 105.2(1) as adopted in VMC Title 15. Larger sheds require a building permit. All accessory structures must comply with VMC 14.09.200 zoning setbacks - typically 5 feet from side and rear lines and behind the front building line, with no electrical or plumbing for the permit exemption.
View full Vacaville rules →Vallejo, CA
Solano County
Vallejo allows small sheds without permits (typically under 120 sq ft). Larger structures require building permits and must meet setback requirements.
View full Vallejo rules →Key Facts Comparison
| Fact | Vacaville | Vallejo |
|---|---|---|
| Permit Exemption | <= 120 sq ft (CBC 105.2) | - |
| Utility Limit | No electrical, plumbing, HVAC | - |
| Side/Rear Setback | Typically 5 ft (VMC 14.09.200) | - |
| Max Height | 18 ft overall / 10 ft wall | - |
| Hillside Overlay | Ignition-resistant (CBC 7A) | - |
| No Permit | - | Under 120 sq ft |
| Permit | - | Over 120 sq ft |
| Setbacks | - | 3 to 5 ft from property line |
| Habitation | - | Prohibited |
Highlighted rows indicate differences between cities.
Vacaville FAQ
Do I need a permit for a backyard shed in Vacaville?
No building permit if the shed is 120 sq ft or smaller and has no electrical, plumbing, or HVAC, per California Building Code 105.2(1) as adopted in VMC Title 15. Sheds larger than 120 sq ft or with utilities require a building permit. Zoning setbacks under VMC 14.09.200 always apply.
How close can a shed be to my fence in Vacaville?
Typically 5 feet from side and rear property lines in residential districts under VMC 14.09.200, with some districts permitting 3-foot setbacks for small low-profile accessory structures. The shed must be behind the front building line of the main house. Hillside (H) Overlay properties may have additional restrictions.
Vallejo FAQ
Do I need a permit for a shed?
Sheds under 120 sq ft typically don’t need a permit, but must still meet setback requirements.
Can I put electrical in my shed?
Electrical connections require a separate electrical permit regardless of shed size.
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