Article

Intercom Permit Requirements in San Bernardino County, California

January 24, 2026

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Complete guide to intercom permit requirements in San Bernardino County, CA. Most intercom installations do NOT require permits.

Intercom Permit Requirements in San Bernardino County, California

Installing an intercom system in San Bernardino County? Good news - most intercom installations do NOT require permits. This guide covers when permits are needed, California CSLB licensing requirements, and best practices for intercom installations in the Inland Empire.

Quick Answer: Do You Need a Permit?

Most intercom installations do NOT require permits in San Bernardino County. Standalone audio or video intercom systems operating on low voltage are generally exempt from electrical permits.

When Permits ARE Required

Fire Alarm Integration

  • Intercoms tied to fire alarm systems require fire alarm permits
  • Emergency voice/alarm communication systems

Access Control Integration

  • Intercoms integrated with electronic door locks
  • Systems that control magnetic locks or electric strikes

New Construction

  • Intercom wiring as part of new building electrical plans
  • Commercial tenant improvements

Electrical Work

  • Installing new electrical outlets or circuits
  • Any work involving line voltage (120V+)

Permit-Exempt Intercom Work

  • Wireless video doorbell systems
  • Plug-in audio intercoms using existing outlets
  • Battery-powered intercom units
  • Low-voltage wired intercoms not integrated with other systems
  • Replacement of existing intercom equipment

California CSLB Contractor Licensing

C-7 Low Voltage Systems License

  • Scope: Installation of communication and low-voltage systems
  • Requirement: Pass trade exam and law/business exam
  • Bond: $25,000 contractor bond required

County vs. City Jurisdiction

  • Unincorporated areas: County Land Use Services
  • San Bernardino, Fontana, Ontario, etc.: Respective city permits

Video Intercom vs. Audio-Only

Video Intercom Systems

  • Same low-voltage exemptions as audio intercoms
  • No additional permits for camera functionality

Audio-Only Intercoms

  • Generally the lowest regulatory burden

Logistics Hub Opportunities

San Bernardino County is a major logistics center:

  • Large warehouse and distribution centers
  • Industrial access control needs
  • Growing residential development

Best Practices

  • Verify jurisdiction: Confirm whether county or city permitting applies
  • CSLB license required: All work for compensation needs licensing
  • Document everything: Keep records of equipment and wiring
  • Test thoroughly: Verify audio/video quality

Contact Information

San Bernardino County Land Use Services

California CSLB

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Related Permit Guides

#permits·#california·#intercom·#licensing·#san-bernardino-county

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