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🏗️ Accessory Structures/Shed Rules

Shed Rules: Lancaster vs Santa Monica

How do shed rules rules compare between Lancaster, CA and Santa Monica, CA?

Lancaster has fewer restrictions than Santa Monica.

Lancaster, CA

Los Angeles County

Few Restrictions

Lancaster allows small sheds without permits (typically under 120 sq ft). Larger structures require building permits and must meet setback requirements.

View full Lancaster rules →

Santa Monica, CA

Los Angeles County

Some Restrictions

Santa Monica regulates accessory buildings under SMMC §9.21.020. Sheds and similar structures in residential zones must comply with setback and height requirements. Sheds may not contain a kitchen unless approved as an ADU.

View full Santa Monica rules →

Key Facts Comparison

FactLancasterSanta Monica
No PermitUnder 120 sq ft-
PermitOver 120 sq ft-
Setbacks3 to 5 ft from property line-
HabitationProhibited-
Code Section-SMMC §9.21.020
Kitchen Restriction-Not allowed (ADU exception)
Permit Exempt-Walls under 4ft, fences under 7ft
Dwelling Use-ADU approval required
ADU Standards-SMMC §9.31.025 (separate)

Highlighted rows indicate differences between cities.

Lancaster 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.

Santa Monica FAQ

Do I need a permit for a shed in Santa Monica?

Santa Monica regulates accessory buildings under SMMC §9.21.020. Sheds and similar structures in residential zones must comply with setback and height requirements. Sheds may not contain a kitchen unless approved as an ADU.

How big can a shed be without a permit in Santa Monica?

Code Section: SMMC §9.21.020. Kitchen Restriction: Not allowed (ADU exception). Permit Exempt: Walls under 4ft, fences under 7ft. Dwelling Use: ADU approval required.

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