Contractor licensing, insurance and bonding

A supervising electrician license belongs to a person; the right to sell electrical work belongs to a business. This lesson covers the business side: Chicago's electrical contractor license, the registrations that suburbs and Cook County require, and the insurance certificates and bonds that go with them. Because every town sets its own list, the lesson uses the published requirements of Chicago, Cook County, Gurnee and Springfield as examples, all checked in November 2026. Treat the amounts as examples, not rules for any other town, and check each authority before you register.

Chicago's electrical contractor license

In Chicago, a business that installs, alters or maintains electrical equipment regulated by the electrical code must hold an electrical contractor license, or the person doing the work must be employed by a business that does. Sole proprietorships can hold the license as well as corporations and other entities. The key requirement is the one Lesson 7 described: the business must employ at least one licensed supervising electrician, and the license is automatically inactivated if no valid supervising electrician license is associated with it. The municipal code chapter on electrical contractors, Chapter 4-290, controls if the department's summary differs.

The license comes in two types, general and low voltage, and the type depends on the exam the supervising electrician passed. The fees published by the department are 150 dollars for an initial license and 150 dollars for renewal, for either type, 100 dollars for a change of supervising electrician, and 25 dollars for a duplicate license document. The license is valid for one year from issuance. New applications are submitted through the Continental Testing Services website, and renewals go through the Department of Buildings' web portal.

The chapter also contains exemptions. Public utilities regulated by the Illinois Commerce Commission are exempt for their utility work. Private alarm contractors licensed by the state are exempt from the electrical contractor license requirement for work within their state license, but must register that license with the city to obtain permits. And the chapter makes general contractors and others responsible too: they may not employ unregistered persons to do electrical work or let a registrant work beyond its authorized scope.

Insurance and bonds in Chicago

The department's contractor license page, as checked for this course, does not list insurance or bond amounts for electrical contractors, and the portion of Chapter 4-290 available online at the time did not show them either. This course therefore does not state a Chicago insurance or bond amount. In practice, a contractor working in Chicago carries general liability insurance and workers compensation insurance, because owners, general contractors and the law expect them, and permit applications for larger projects may call for proof of insurance. Before you apply, read the current application and the full text of Chapter 4-290, and ask the department what proof it requires.

Cook County registration

Cook County registers electrical contractors that work in its unincorporated areas. Its registration page lists the requirements: a current license for the supervising electrician from an Illinois city, town or village that has an electrical commission administering an examination; a copy of the supervising electrician's driver's license; a signed electrical contractor registration affidavit; proof of good standing with the State of Illinois for corporations; and a general liability insurance certificate for 1,000,000 dollars, with the Cook County Department of Building and Zoning listed as the certificate holder. The page checked did not list a bond or a fee.

Two parts of that list deserve attention. The license requirement means that only a license earned by examination counts, which Kevin's Chicago license will satisfy. And the certificate holder requirement is a detail that trips up many applicants: an insurance certificate made out to the contractor, or to a different town, will not do. Beth asks the company's insurance agent for a separate certificate for each authority, naming that authority exactly as its instructions require.

Suburban registration: Gurnee as an example

The Village of Gurnee, in Lake County, publishes a short list for electrical contractors who register with its building department: a copy of a current electrical license from a reciprocating municipality, and a certificate of insurance showing at least 500,000 dollars in general liability coverage, with the village as certificate holder, and with the name on the license matching the name on the insurance. Gurnee's page lists a 10,000 dollar license or permit bond, but for contractors working in the public right-of-way, on streets or on water and sewer lines, who register with its engineering department, not for electricians as such.

Gurnee's list shows the typical shape of suburban registration: a license the town accepts, insurance in a stated amount naming the town, and matching names. The phrase reciprocating municipality means that the village accepts licenses from certain other towns, and the village's building department can tell you which ones. Do not assume that every license qualifies.

Springfield: a bond and two policies

Springfield's 2026 electrical contractor registration form, which Lessons 2 and 3 discussed, requires a 5,000 dollar surety bond, in original form, payable to the City of Springfield and issued in the business name, covering the calendar year from January 1 to December 31. It also requires a copy of the liability insurance policy and the workers compensation policy, proof of the applicant's position in the business, and a 45 dollar fee.

A surety bond is different from insurance. Insurance protects the contractor against claims for injury or damage. A license or permit bond protects the town and the public: if the contractor fails to meet obligations the bond covers, such as complying with the town's ordinances or paying fees, a claimant can recover from the surety up to the bond amount, and the surety then seeks repayment from the contractor. The bond's wording decides what it covers, so read it. A bond is an obligation the contractor ultimately pays, not a policy that pays on the contractor's behalf.

Insurance coverage beyond the minimums

A registration minimum is the least a town will accept, not the coverage a contractor needs. General contractors and owners often require higher limits, additional insured status, waivers of subrogation and specific policy forms in their contracts. Commercial auto coverage protects the company's vans. Workers compensation is required by Illinois law for employers, as Lesson 10 explains. Umbrella coverage adds limits above the primary policies. Kedzie's agent reviews the company's contracts each year to make sure the policies match what the contracts demand; a contract that requires coverage the company does not carry is a breach waiting to happen.

The calculator below compares a contractor's limits against each authority's published minimum, the way Beth checks the company's certificates. The amounts for Cook County and Gurnee come from this lesson; Chicago's are not stated because the city's page did not list them.

# Compare the policy limit with published registration minimums (from this lesson)
gl_per_occurrence = 2_000_000    # Kedzie's policy limit (invented)
minimums = {"Cook County": 1_000_000, "Gurnee": 500_000}
for place, need in minimums.items():
    ok = gl_per_occurrence >= need
    print(f"{place}: needs {need:,}; policy {gl_per_occurrence:,} -> {'meets' if ok else 'SHORT'}")
print("Springfield: 5,000 surety bond plus copies of the liability and workers comp policies")

Cook County: needs 1,000,000; policy 2,000,000 -> meets
Gurnee: needs 500,000; policy 2,000,000 -> meets
Springfield: 5,000 surety bond plus copies of the liability and workers comp policies

Low voltage and alarm contractors

Chicago's low voltage contractor license covers remote-control, signaling, power-limited and communications circuits, the circuits the code groups as Class 1, Class 2 and Class 3. Companies that install data cabling, security systems, sound systems and building controls often hold this license, backed by a low voltage supervising electrician. They may not do general power wiring under it. A data company that wants to run a new circuit for a server rack must hire a general contractor or get its own general license.

Fire alarm and security work adds the state's private alarm contractor license. The state licenses private alarm contractors under its own professional regulation laws, and Chicago exempts state-licensed alarm contractors from its electrical contractor license for work within their state license, while requiring them to register that state license with the city to obtain permits. Required fire alarm systems in Chicago also need a separate wiring permit and Fire Prevention Bureau review, as Lesson 6 explained. A contractor bidding fire alarm work must sort out which license applies before the bid, not after the permit desk asks.

Keeping registrations current

Registrations expire, and they expire on different schedules. Chicago's contractor license runs one year from issuance. Springfield's bond covers the calendar year, and its form is filed for a stated year. Many suburbs register contractors by calendar year, and some ask for new insurance certificates whenever a policy renews. A contractor can be fully licensed in one town and lapsed in the next without noticing until a permit is refused.

Beth keeps a registration table with five columns for every authority: what is registered, the expiration date, the certificate or bond on file and its own expiration, the renewal fee, and the person responsible for renewing it. Each month she sorts the table by date and renews anything due in the next sixty days. When the company's insurance renews each spring, she orders new certificates for every authority on the list the same day. The effort is an hour a month; a lapsed registration can cost a week of permits.

Business registration and taxes

A contractor's licenses rest on a properly formed business. Corporations and limited liability companies register with the Illinois Secretary of State and must stay in good standing, which Cook County checks. Sole proprietors doing business under an assumed name typically register that name with the county, as Springfield's form reflects. Businesses register with the Illinois Department of Revenue for state tax purposes and with the Illinois Department of Employment Security for unemployment insurance when they have employees. These registrations are outside the electrical licensing system, but a license application can stall when one of them is missing or out of date.