Outdoor Music: Simi Valley vs Ventura
How do outdoor music rules compare between Simi Valley, CA and Ventura, CA?
Simi Valley and Ventura have similar restriction levels.
Simi Valley, CA
Ventura County
Outdoor music at homes in unincorporated Ventura County is limited at night by Ordinance No. 4124, which bars amplified or instrumental sound audible 50 feet away between 9 p.m. and 7 a.m. in residential zones. Commercial outdoor-music venues and events are conditioned under the General Plan's stationary-source standards.
View full Simi Valley rules →Ventura, CA
Ventura County
Outdoor amplified music in Ventura is governed by the same exterior sound-level standards in SBMC Chapter 10.650 (Noise Control), with additional permit requirements for special events on public property administered by the City. Coastal-zone events near the Promenade and the Ventura Pier may also require Coastal Commission coordination. Bars, restaurants and venues with regular live outdoor entertainment are typically conditioned through their Conditional Use Permit (CUP) under Division 13 Zoning.
View full Ventura rules →Key Facts Comparison
| Fact | Simi Valley | Ventura |
|---|---|---|
| Residential night limit | Audible 50 ft away, 9 p.m. to 7 a.m. | - |
| Venue/event - daytime | 55 dBA Leq at receptor (6 a.m.-7 p.m.) | - |
| Venue/event - evening | 50 dBA Leq (7-10 p.m.) | - |
| Venue/event - night | 45 dBA Leq (10 p.m.-6 a.m.) | - |
| Controlled by | Article 11 + General Plan HAZ-9.2 conditions | - |
| Sound limit code | - | SBMC Ch. 10.650 |
| Special events | - | City Special Event Permit required for amplified sound on public property |
| Venues | - | CUP under SBMC Div. 13 conditions live entertainment |
| Coastal Zone | - | Coastal Commission coordination for shoreline/Promenade events |
Highlighted rows indicate differences between cities.
Simi Valley FAQ
Can a winery or venue host live outdoor music in unincorporated Ventura County?
Generally only with a discretionary permit, and the County conditions it under General Plan Policy HAZ-9.2. The venue's outdoor noise at the nearest sensitive receptor must stay within 55 dBA Leq (day), 50 dBA (evening) and 45 dBA (night), or ambient plus 3 dBA.
When must outdoor music stop at a private home?
Music audible 50 feet from your property line must stop by 9 p.m. in a residential zone under the County's nighttime noise ordinance. Before 9 p.m. there is no countywide decibel cap for a homeowner's outdoor music.
Ventura FAQ
Can I have a backyard DJ for a wedding in Ventura?
Yes, but amplified sound must comply with SBMC Ch. 10.650 receiving-line dBA limits, and you may want to notify neighbors. For events in city parks, on the Promenade, or that close streets, a Special Event Permit is required.
What time must outdoor music stop?
The default nighttime threshold under Ch. 10.650 is 10:00 p.m. for the typical day/night split — confirm the exact cutoff in your zone and any CUP conditions if the venue is permitted.
Do restaurants need a permit for patio music?
Most regular live entertainment requires a Conditional Use Permit under SBMC Div. 13 zoning, which conditions hours, speaker placement, and decibel limits. Occasional amplified events on public property need a Special Event Permit.
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