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πŸ”Š Noise Ordinances/Quiet Hours

Quiet Hours: Mountain View vs San Jose

How do quiet hours rules compare between Mountain View, CA and San Jose, CA?

Mountain View and San Jose have similar restriction levels.

Mountain View, CA

Santa Clara County

Some Restrictions

Mountain View prohibits disturbing noise between 10pm and 7am weekdays and 10pm to 8am weekends, with enforcement by police and code enforcement officers.

View full Mountain View rules β†’

San Jose, CA

Santa Clara County

Some Restrictions

San Jose enforces residential noise limits of 55 dBA daytime and 45 dBA nighttime under SJMC Chapter 10.16, with quiet hours from 10 PM to 7 AM.

View full San Jose rules β†’

Key Facts Comparison

FactMountain ViewSan Jose
Weekday quiet hours10pm to 7am-
Weekend quiet hours10pm to 8am-
Code sectionChapter 21 Noise Ordinance-
First-offense fineAround 100 dollars-
Non-emergency dispatch(650) 903-6395-
Quiet Hours-10 PM - 7 AM
Residential Day-55 dBA max
Residential Night-45 dBA max
Fine Range-$100-$1,000

Highlighted rows indicate differences between cities.

Mountain View FAQ

Can I host a backyard party past 10pm?

You can, but amplified music and loud voices must not be audible at neighboring properties after 10pm on weekdays or 11pm on weekends to avoid a citation.

Who enforces Mountain View quiet hours?

Mountain View Police respond to active disturbances; Code Enforcement handles ongoing patterns and follow-up citations.

San Jose FAQ

What are the quiet hours in San Jose?

San Jose enforces residential noise limits of 55 dBA daytime and 45 dBA nighttime under SJMC Chapter 10.16, with quiet hours from 10 PM to 7 AM.

What happens if I violate the noise ordinance in San Jose?

Quiet Hours: 10 PM - 7 AM. Residential Day: 55 dBA max. Residential Night: 45 dBA max. Fine Range: $100-$1,000.

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