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Structured Cabling Permit Requirements in San Bernardino County, California

January 19, 2026
02:52 PM

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Complete guide to structured cabling permit requirements in San Bernardino County, CA. Learn about C-7 licensing, building permits, code requirements, and fees.

Structured Cabling Permit Requirements in San Bernardino County, California

Quick Answer: Structured cabling installations in San Bernardino County may require permits depending on project scope. The county enforces California Building, Electrical, and Energy Codes per Title 24. Contractors must hold a California C-7 Low Voltage Systems Contractor license for data network installations. Permits are submitted through the EZOP Online Permitting Portal.

When Are Structured Cabling Permits Required?

San Bernardino County Building and Safety enforces California codes for construction work. Permits are typically required for:

  • Commercial network infrastructure installations
  • New construction data cabling rough-in
  • Significant tenant improvement cabling projects
  • Fiber optic backbone installations
  • Data center build-outs
  • Projects involving fire-rated assembly penetrations
  • Work requiring structural modifications

Permit Exemptions

Many low-voltage cabling projects may be exempt from permits:

  • Workstation cable drops in existing commercial spaces
  • Patch panel and switch connections
  • Cable testing and certification
  • Wireless access point installations (no penetrations)
  • Small residential network installations
  • Minor maintenance and repairs

Always verify with San Bernardino County Building and Safety before proceeding without permits.

Contractor Licensing Requirements

California requires specific licensing for structured cabling work through the Contractors State License Board (CSLB):

C-7 Low Voltage Systems Contractor License

The C-7 license is required for installing communication and low voltage systems not exceeding 91 volts:

  • Structured cabling and data networking systems
  • Telephone and communication systems
  • Audio and video systems
  • CCTV and surveillance systems
  • Cable television and satellite installations

C-7 License Requirements

  • Experience: Four years of journey-level experience within the past 10 years
  • Exams: Pass both C-7 Trade Exam and Law and Business Exam
  • Background check: Live Scan fingerprinting required
  • Bond: Contractor's bond required
  • Application fee: $450 plus initial license fee

Note: Fire alarm systems are excluded from C-7 and require C-10 licensing.

For complete California licensing requirements, see our California Low Voltage Contractor License Guide.

Permit Application Process

Step 1: Determine Permit Requirements

Contact San Bernardino County Building and Safety to confirm whether your project requires:

  • Low-voltage permit
  • Electrical permit
  • Building permit (for significant construction)

Step 2: Prepare Documentation

For projects requiring permits, prepare:

  • Floor plans showing cable pathway routes
  • Riser diagrams for multi-floor installations
  • Telecommunications room layouts
  • Cable specifications (Cat6, Cat6A, fiber type)
  • Fire-stopping details for penetrations
  • Energy calculations if required by Title 24

Step 3: Submit Through EZOP Portal

San Bernardino County uses the EZOP Online Permitting Portal:

  • Create account or log in
  • Select appropriate permit type
  • Upload documentation as PDF
  • Pay applicable fees

Step 4: Plan Review

Building and Safety reviews plans for compliance with:

  • California Electrical Code
  • NEC Article 800 (Communications Circuits)
  • Title 24 energy requirements
  • Fire-stopping requirements

Step 5: Permit Issuance and Inspection

Once approved, print permit and schedule inspections as required.

Contact Information

Contact Details
Department San Bernardino County Land Use Services - Building and Safety
EZOP Portal wp.sbcounty.gov/ezop/permits
Website lus.sbcounty.gov
Main Office 385 N. Arrowhead Ave., San Bernardino, CA 92415
High Desert Office 15900 Smoke Tree St., Suite 131, Hesperia, CA 92345

CSLB Licensing Contact

Contact Details
Agency California Contractors State License Board
Website cslb.ca.gov
C-7 Classification Low Voltage Systems Contractor

Fees and Timeline

Service Fee Range Timeline
Low-Voltage Permit $50-$200+ Based on project scope
Plan Review Included or additional 5-15 business days
Inspection Included Schedule after installation
C-7 License Application $450 Processing varies
C-7 Initial License Fee $200-$350 Upon approval

Permit fees based on valuation and size. Additional school, traffic, drainage, SMIP, and tech surcharge fees may apply. Contact Building and Safety for fee quotes.

Code Requirements

California Electrical Code Compliance

All low voltage wiring must comply with NEC and California codes:

  • NEC Article 800: Communications circuits installation standards
  • Plenum ratings: Use CMP-rated cable in air handling spaces
  • Fire-stopping: Seal all penetrations through fire-rated assemblies
  • Separation: Maintain proper separation from power conductors
  • Grounding: Follow NEC Article 800.100 for grounding requirements

Title 24 Compliance

Larger projects may require energy calculations and compliance with California's Title 24 energy standards.

Residential vs Commercial Requirements

Residential Projects

  • Single-family homes: typically permit-exempt for basic network cabling
  • Multi-family (MDU): may require permits for riser installations
  • Home offices: usually exempt unless significant construction involved
  • Smart home systems: verify requirements based on scope

Commercial Projects

  • New construction: permits required for infrastructure rough-in
  • Tenant improvements: depends on scope and penetrations
  • Data centers: full permit and inspection process required
  • Healthcare facilities: additional compliance requirements
  • Educational facilities: often require full permitting

Pro Tips from Contractors

  • Verify with Building and Safety: Low-voltage requirements can vary by project type and location
  • Use EZOP portal: Online submission streamlines the process
  • Plenum vs riser: Know when CMP-rated cable is required vs CMR-rated
  • Fire-stopping: Use listed fire-stop systems and keep documentation
  • Title 24: Check if energy compliance documentation is required
  • Multiple offices: Choose the Building and Safety office closest to your project
  • Fee quotes: Request fee quotes before submitting to understand total costs
  • BICSI standards: Follow BICSI TDMM guidelines for best practices

Stay Ahead of Permit Activity

Want to know when structured cabling projects hit permits in San Bernardino County before they reach bid boards?

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Tags

#permits
#california
#structured-cabling
#licensing
#san-bernardino-county

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