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CT · Plumbing Contractors

Connecticut Workers' Comp Insurance for Plumbing Contractors

Workers' compensation requirements, class codes and carrier options for plumbing contractors in Connecticut — from one application.

Plumbing contractors deal with confined spaces, heavy fixtures, and sharp or hot materials on both new-construction and service calls. Connecticut requires virtually every employer with one or more employees, including part-time workers, to carry workers' compensation insurance or qualify as a self-insurer. Provident Financial Group compares multiple carriers for Connecticut plumbing contractors so you can see what you qualify for and buy online.

Do plumbing contractors in Connecticut need workers' comp?

Connecticut requires virtually every employer with one or more employees, including part-time workers, to carry workers' compensation insurance or qualify as a self-insurer. There is no minimum payroll or hours threshold that exempts a business once it has hired staff; the requirement is triggered by having an employee, not by business size. See the Connecticut Workers' Compensation Commission's employer guidance.

Plumbing Contractors workers' comp in Connecticut: what to know

This coverage fits residential and commercial plumbing contractors, from new-construction rough-in crews to service technicians running repair and maintenance calls. It covers both shop-based operations and crews who spend most of their day driving between jobsites in a service vehicle, along with the dispatchers and supervisors who coordinate that work from the shop. It applies equally to a small independent plumber running one truck and a larger plumbing contracting firm with multiple crews on the road at once across a wider service territory, including firms that also bid on larger commercial rough-in projects.

Plumbing work is rated under a single trade classification that covers the shop, yard, and field operations of a plumbing contractor together, reflecting that most plumbers move between all three settings over the course of a normal week. Supervisory staff who direct jobs without performing hands-on plumbing work are typically rated apart from the crew doing the physical installation and repair, and driver payroll for dedicated delivery or supply runs may be tracked separately depending on how the business is organized.

Back and shoulder strain from carrying fixtures, water heaters, and pipe is one of the most common sources of claims in this trade, along with cuts from pipe cutters and hand tools, burns from soldering and torch work, and slip-and-fall injuries on wet jobsite or basement floors. Confined-space exposure in crawlspaces, basements, and utility trenches adds another layer of risk that carriers ask about directly. Trenching and excavation work on sitework jobs carries its own well-documented cave-in exposure that carriers weigh heavily, and service technicians who drive company vehicles between calls all day add a meaningful auto-exposure component on top of the physical plumbing work itself, especially in a busy service territory with a full schedule of same-day emergency and repair calls.

Because a plumbing contractor's week can swing between new-construction rough-in and one-off service calls, one application is used to compare how multiple carriers rate that payroll mix, including any supervisory or driver-only staff, with declined carriers shown honestly alongside the offers that come back rather than glossed over. Get Multiple Quotes within minutes.

Whether you search for Connecticut workers' compensation insurance, workers comp, workman's comp or work comp for plumbing contractors, it is the same coverage: medical care and wage replacement for employees hurt on the job, plus employers liability protection for the business.

Connecticut class codes for plumbing contractors

Connecticut uses NCCI class codes, so the codes below are the ones carriers typically assign to this work in Connecticut.

Common injury exposures for plumbing contractors

  • Back and shoulder strain from carrying fixtures, water heaters, and pipe
  • Cuts and puncture wounds from pipe cutters and hand tools
  • Burns from soldering, torch work, and hot water systems
  • Slip-and-fall injuries on wet basement or jobsite floors
  • Confined-space exposure in crawlspaces, basements, and utility vaults
  • Trench and excavation exposure on sitework and repair digs
  • Vehicle exposure for service technicians driving between calls

Quote Connecticut plumbing contractors workers' comp.

One application goes out to every carrier we can access for your class of business. You get a ranked comparison you can review and purchase online — with a licensed agent available whenever you want one.

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What drives plumbing contractors workers' comp cost in Connecticut

  • Split between new-construction rough-in work and service/repair calls
  • Supervisory payroll versus hands-on installation and repair crew
  • Whether crews perform trenching or excavation work directly
  • Prior claims history and experience modification factor
  • Documented confined-space and trenching safety procedures
  • State where the work is performed and that state's loss costs

Owners, officers and LLC members in Connecticut

Connecticut treats sole proprietors, partners, LLC members, and corporate officers as having discretionary coverage rather than automatic inclusion or exclusion: each must file the appropriate election form (Form 75 for a sole proprietor, Form 6B-1 for a partner, Form 6B for an LLC member or corporate officer) to affirmatively accept or reject coverage for themselves, and that election can later be reversed by filing again. Until an election is filed, these individuals are not automatically covered. Because the election is on record with the Commission, employers should keep copies of whichever forms apply to their ownership structure.

Independent contractors and subcontractors

Connecticut law requires employers to be able to substantiate that a worker paid as a 1099 contractor is genuinely independent, and knowingly misrepresenting an employee as an independent contractor to lower premiums is treated as insurance fraud with felony exposure. Businesses that hire subcontractors should collect a current certificate of insurance before work begins, since an uninsured subcontractor's injury can expose the hiring business to liability.

Coverage notes

  • Employers liability coverage (Part Two) applies alongside the statutory benefit for injuries that lead to a lawsuit outside the workers' comp system
  • Plumbing contractors working across state lines need other-states insurance to cover payroll on out-of-state jobs
  • General contractors and property managers routinely require a certificate of insurance before a plumbing sub starts work
  • Owner-only certificate ('ghost') policies are not offered; coverage requires W-2 employees on payroll
  • General liability is commonly carried alongside workers' comp to address water-damage and property claims from plumbing work

Eligibility

We write this trade for contractors with employees on payroll; owner-only certificate policies are not offered.

Penalties for going without coverage in Connecticut

Failing to carry required coverage carries a civil penalty of the greater of $500 per employee or $5,000 (up to a $50,000 cap), plus $100 for each day noncompliance continues after it's identified, also capped at $50,000; unpaid penalties can be doubled if not paid within 90 days. A knowing and willful violation is a Class D felony, and business owners, partners, LLC principals, and corporate officers can be held personally liable. The same Class D felony exposure applies to knowingly misclassifying employees as independent contractors to reduce premiums, and the Labor Commissioner can issue a stop-work order (Conn. Gen. Stat. § 31-288).

How plumbing contractors buy workers' comp in Connecticut

Connecticut is a competitive market state rated by NCCI, so employers and our agency can compare coverage across the many private carriers that write business here. Employers who can't find a voluntary carrier are placed through Connecticut's NCCI-administered assigned risk plan, which assigns the account to a servicing carrier so coverage remains available. There is no state-run workers' comp fund in Connecticut. Small employers should be aware that owner coverage is opt-in here, unlike some neighboring states, so it's worth confirming with an agent whether the owner's election forms are on file and current.

Rating bureau

National Council on Compensation Insurance

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Regulator

Connecticut Workers' Compensation Commission

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Connecticut plumbing contractors workers' comp questions

Do plumbing contractors businesses in Connecticut need workers' comp insurance?

Connecticut requires virtually every employer with one or more employees, including part-time workers, to carry workers' compensation insurance or qualify as a self-insurer. There is no minimum payroll or hours threshold that exempts a business once it has hired staff; the requirement is triggered by having an employee, not by business size. See the Connecticut Workers' Compensation Commission's employer guidance.

What workers' comp class codes apply to plumbing contractors in Connecticut?

Common codes for this work include 5183 Plumbing Contractor; 5606 Construction Executive / Supervisor; 7380 Commercial Drivers & Messengers. Connecticut uses NCCI class codes, so the codes below are the ones carriers typically assign to this work in Connecticut.

Can owners or officers of a Connecticut plumbing contractors business be excluded?

Connecticut treats sole proprietors, partners, LLC members, and corporate officers as having discretionary coverage rather than automatic inclusion or exclusion: each must file the appropriate election form (Form 75 for a sole proprietor, Form 6B-1 for a partner, Form 6B for an LLC member or corporate officer) to affirmatively accept or reject coverage for themselves, and that election can later be reversed by filing again. Until an election is filed, these individuals are not automatically covered. Because the election is on record with the Commission, employers should keep copies of whichever forms apply to their ownership structure.

What happens if a Connecticut plumbing contractors business has no workers' comp?

Failing to carry required coverage carries a civil penalty of the greater of $500 per employee or $5,000 (up to a $50,000 cap), plus $100 for each day noncompliance continues after it's identified, also capped at $50,000; unpaid penalties can be doubled if not paid within 90 days. A knowing and willful violation is a Class D felony, and business owners, partners, LLC principals, and corporate officers can be held personally liable. The same Class D felony exposure applies to knowingly misclassifying employees as independent contractors to reduce premiums, and the Labor Commissioner can issue a stop-work order (Conn. Gen. Stat. § 31-288).

What drives the cost of plumbing contractors workers' comp in Connecticut?

Price is driven by payroll in each class code, the Connecticut rates filed for those codes, your claims history (experience modification), and underwriting factors such as split between new-construction rough-in work and service/repair calls; supervisory payroll versus hands-on installation and repair crew; whether crews perform trenching or excavation work directly. We compare carriers so you can see what you qualify for.

How do I get a Connecticut plumbing contractors workers' comp quote?

Complete one application and we compare up to 10 carriers in minutes, with the option to purchase online. A Live Certificate is included with your coverage, so proof of coverage is always live and shareable by text or email in seconds.

Is a service plumber rated differently than a new-construction plumber?

No — both fall under the same plumbing classification, which covers the shop, yard, and field operations of a plumbing contractor together regardless of whether the work is new-construction rough-in or a service call.

Does trenching work change the workers' comp picture for a plumber?

It doesn't create a separate classification, but carriers do ask about trenching and excavation practices directly, since cave-in exposure is a well-documented risk on sitework and repair digs.

Can a plumbing contractor get a policy with no employees?

No. This coverage is written for contractors with W-2 employees on payroll; owner-only certificate ('ghost') policies are not offered.

Do I need workers' comp for a single part-time employee in Connecticut?

Yes. Connecticut has no minimum employee-count exemption, so hiring even one part-time worker generally triggers the requirement to carry coverage.

Are Connecticut LLC members automatically covered by the company's policy?

No. LLC members have discretionary coverage and must file Form 6B with the Workers' Compensation Commission to elect to be covered; without that election, they aren't automatically included.

Last reviewed · Reviewed by Provident Financial Group licensed agents

Quote Connecticut plumbing contractors workers' comp.

One application goes out to every carrier we can access for your class of business. You get a ranked comparison you can review and purchase online — with a licensed agent available whenever you want one.

Mon–Fri, 8:00am–6:00pm ET · Independent agency licensed in 23 states