Low voltage insurance for the install and the monitoring.
General liability, errors and omissions, workers' comp, tools, commercial auto and license bonds for alarm, camera, access control, cabling and AV contractors.
By Sam Alishahi · CA Insurance License #4348151 · Reviewed November 2026 · How this page is researched
The claim that comes after the install
Low voltage work rarely starts a fire, but it creates a different kind of claim: an alarm that didn't signal, a camera that didn't record, or a door that didn't lock, followed by a burglary or a loss. Those claims allege a failure in your service, and general liability often isn't written to answer them. Security and alarm contractors usually need errors and omissions coverage as well.
In California, low voltage contractors are licensed by the CSLB under the C-7 classification, and alarm company operators are also licensed by the Bureau of Security and Investigative Services (BSIS). I set up coverage around the work you actually do, whether that's cabling in new construction, residential security, or monitored systems for commercial clients.
- General liabilityDamage to buildings and injuries caused by your work, including drilling, pulling cable and ceiling work.
- Errors and omissionsClaims that a system you designed, installed or monitored failed to work as promised.
- Workers' compRequired for employees now, and for all licensed contractors from January 1, 2028.
- Tools and autoTesters, ladders, inventory and the service vans that carry them.
What underwriters will ask
Having these ready means I can go to market on the first call. The quote form asks for the same things, and anything you don’t know yet can wait.
- License: CSLB number and classifications, plus BSIS license if you install or monitor alarms.
- Work: security, cameras, access control, cabling, AV or fire alarm, with rough percentages.
- Monitoring: whether you monitor in-house, through a third-party central station, or not at all.
- Contracts: a sample customer agreement, including any limitation-of-liability wording.
- Payroll and revenue: employees, subcontractor costs and gross receipts.
- History: current policies and loss runs.
C-7, alarm operator, or both
In California, two regulators can touch one job. The Contractors State License Board's C-7 Low Voltage Systems class (16 CCR 832.07) covers installing, servicing and maintaining all types of communication and low voltage systems that are energy limited and do not exceed 91 volts. The regulation lists telephone and sound systems, cable television, closed-circuit video, satellite dish antennas, instrumentation and temperature controls, and low voltage landscape lighting, and says low voltage fire alarm systems are specifically not included.
Alarm work falls under the Alarm Company Act. B&P 7590.2 defines an alarm company operator as anyone who, for any consideration, installs, maintains, alters, sells on premises, monitors or services alarm systems, or responds to them, including an entity retained only to monitor. Section 7592 bars that work without a valid alarm company operator's license unless the person is exempt. The exemptions in 7590.3 cover in-house employees of a business that doesn't provide contract alarm services, government staff, charter-appointed patrol special police, and private patrol staff employed to respond to alarms. A C-7 is not on that list.
The CSLB's building official guide describes the overlap: people who install, maintain, monitor, sell, alter or service burglar alarm systems are exempt from contractor licensing under B&P 7054 if they are licensed by BSIS, and fire alarm work requires a C-10. The Bureau of Security and Investigative Services (BSIS) fact sheet says the operator license involves:
- A Qualified Manager with two years (4,000 hours) of paid alarm company experience or the equivalent, who passes a two-hour multiple-choice exam.
- DOJ and FBI background checks through Live Scan for each individual applicant, partner or corporate officer.
- Alarm agent registration for employees who sell at the buyer's site, install, monitor, maintain, service or respond, plus the Power to Arrest exam for agents who respond to alarm activations.
Your general liability and E&O classes come from the work you describe. If you hold a C-7 and also install intrusion alarms or sell monitoring, say so on the application and list both license numbers. Licensing varies by state, so list every state you work in.
What a California alarm contract must say
If a customer says an alarm system failed, the contract is one of the first documents an adjuster or underwriter asks for. For alarm work in California, B&P 7599.54 sets what it must contain. Except as provided in Section 7599.56, every agreement, including lease, monitoring and service agreements and all labor, services and materials for an installation, must be in writing. Each initial agreement must include:
- The operator's name, business address, business phone number and license number, plus the name and registration number of any alarm agent who solicited or negotiated it, with limited exceptions.
- The approximate dates the work will begin and be substantially completed.
- A description of the work, the materials and the agreed consideration, and of the alarm system's major components and any response or monitoring services.
- A disclosure that alarm company operators are licensed and regulated by BSIS, with the Bureau's current address and contact information.
- A statement that the company will thoroughly instruct the purchaser in using the system once installation is complete.
- A mechanic's lien notice-to-owner statement, if a mechanic's lien is to be used.
Before any work is done, the client must get a copy of the written agreement signed by the licensee. Residential agreements entered into on or after January 1, 2017, that renew automatically for more than one month need a separate, clear renewal disclosure the consumer signs or initials; it may sit on the same document as the right-to-cancel form under Civil Code 1689.7, and without that acknowledgment the renewal provision is void. Residential sales and lease agreements above the statute's dollar threshold also need a payment schedule, a capped down payment, a description of substantial commencement, and a disclosure that failing to substantially start within 20 days of the stated start date violates the Act.
Send your current residential and commercial forms with the application so the underwriter sees what you sign. If you sign customer contracts outside California, the required terms vary by state.
Low voltage contractor insurance, answered
Why do alarm and security contractors need errors and omissions?
When a system fails to detect a break-in or a fire, the customer's claim is that your service failed, not that you physically damaged something. Many general liability policies exclude or limit professional services, so security contractors usually carry E&O written for alarm work.
Who licenses alarm companies in California?
Low voltage installation falls under the CSLB's C-7 classification. Alarm company operators are also licensed by the Bureau of Security and Investigative Services (BSIS). Check both agencies' current requirements for the work you do.
Does it matter who does the monitoring?
Yes. Monitoring in-house, contracting with a third-party central station, and installing systems customers monitor themselves are rated differently. Your customer contracts, especially limitation-of-liability language, also matter to carriers.
Do low voltage contractors need workers' comp?
If you have employees, yes. Starting January 1, 2028, all CSLB-licensed contractors must carry workers' compensation, with limited exceptions.
Does general liability cover equipment I haven't installed yet?
No. Cameras, panels and cable in your van or at the job site are your property, covered under a tools and equipment or installation policy, not general liability.
Can a C-7 contractor install fire alarm systems in California?
Not under the C-7 alone: 16 CCR 832.07 says low voltage fire alarm systems are specifically not included in the C-7 class, and the CSLB's building official guide says fire alarm work requires a C-10 Electrical license. The Alarm Company Act's definition of an alarm system (B&P 7590.1) also leaves out fire protection systems as defined in the California Fire Code.
Do you offer low voltage contractor insurance outside California?
Yes. Clients across the country send the same quote form. Sam Alishahi is licensed in all 50 states and Washington, DC and places policies there directly. The shopping across carriers works the same way. Rules, minimums and markets differ by state — see insurance requirements by state.
Official sources
- CSLB - C-7 Low Voltage Systems Contractor classification (16 CCR 832.07)
- CSLB - Building Official Information Guide (alarm company operators, B&P 7054)
- California B&P Code 7590.1 - Alarm Company Act definitions
- California B&P Code 7590.2 - Alarm company operator defined
- California B&P Code 7590.3 - Exemptions from the Alarm Company Act
- California B&P Code 7592 - License required
- California B&P Code 7599.54 - Alarm agreement requirements
- BSIS - Alarm Company Operator, Qualified Manager, or Alarm Agent fact sheet
- California Labor Code 108.2 - Electrician certification and exemptions
- DIR DLSE - Electrician Certification FAQ
Tell me what you install. I'll shop it.
Your license numbers, the systems you install and your revenue are enough to start.
Alishahi Insurance · Saman Alishahi, independent insurance broker, California License #4348151. General information, not a quote or a promise of coverage; coverage depends on underwriting and the terms, conditions and exclusions of the policy actually issued. Some policies may be placed with nonadmitted (surplus lines) insurers, which are not members of the California Insurance Guarantee Association (CIGA).
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