Holiday Displays: San Mateo vs South San Francisco
How do holiday displays rules compare between San Mateo, CA and South San Francisco, CA?
San Mateo and South San Francisco have similar restriction levels.
San Mateo, CA
San Mateo County
Holiday displays in San Mateo are generally exempt from the sign code under Chapter 25's exemptions. Residential decorations are permitted without a permit. Displays should not create safety hazards or violate electrical codes.
View full San Mateo rules →South San Francisco, CA
San Mateo County
Unincorporated San Mateo County permits residential holiday decorations without permits. Displays must comply with electrical code, not obstruct public rights-of-way, and respect noise ordinance quiet hours (10 PM to 7 AM). Coastal zone properties may have additional restrictions.
View full South San Francisco rules →Key Facts Comparison
| Fact | San Mateo | South San Francisco |
|---|---|---|
| Permit | Not required — exempt | - |
| Sign Code | SMMC Ch. 25 exemptions | - |
| Electrical | Outdoor-rated required | UL outdoor-rated, GFCI |
| Safety | No sight line obstruction | - |
| Removal Deadline | Not specified | - |
| Permits | - | Not required |
| Noise | - | Chapter 4.88 applies |
| Quiet Hours | - | 10 PM to 7 AM |
| Coastal Zone | - | Dark sky may apply |
Highlighted rows indicate differences between cities.
San Mateo FAQ
Do I need a permit for holiday decorations?
No. Holiday displays are generally exempt from the sign code under Chapter 25 exemptions.
How long can I leave decorations up?
San Mateo does not enforce a specific removal deadline for seasonal holiday decorations.
South San Francisco FAQ
Who enforces holiday displays rules in San Mateo County?
San Mateo County's code enforcement division is responsible for signs ordinances. You can report violations or request information through the San Mateo County government website or by calling the main municipal line.
What are typical penalties for violating holiday displays rules?
Most San Mateo County signs violations start with a written warning followed by escalating civil fines for repeat offenses. Specific dollar amounts and any criminal-misdemeanor exposure depend on the section of code; consult San Mateo County's municipal code or staff for the current penalty schedule.
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