General contractor insurance in Washington state
Learn about business insurance requirements and the most common policies for general contractors in Washington.

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What are the most common policies for general contractors in Washington state?
General contractors may need different types of insurance depending on the work they do. These are the most popular insurance policies for Washington general contractors to protect against financial losses.
General liability insurance
A general liability policy covers basic risks, such as a client who is injured at your worksite. Bundle it with commercial property insurance for savings in a business owner's policy.
- Customer bodily injuries
- Damaged customer property
- Advertising injuries
Business owner's policy
A BOP bundles general liability coverage and commercial property coverage at a discount. It's often the most cost-effective type of insurance for general contractors.
- Accidents that injure clients
- Client property damage
- Damage to your building or its contents
Workers’ compensation insurance
Washington requires workers’ comp for general contracting businesses with employees. It also protects sole proprietors from work injury costs that health insurance might deny.
- Employee medical expenses
- Disability benefits
- Employee injury lawsuits
Commercial auto insurance
This policy covers the cost of injuries and property damage in accidents involving a general contractor’s vehicle. It can also pay for repairs to vehicles damaged by weather or vandalism.
- Legal costs from an auto accident
- Property damage caused by your vehicle
- Vehicle theft and vandalism
Inland marine insurance
This policy helps pay for repair or replacement of a contractor’s saws, nail guns, hammers, and other tools if they're lost, stolen, or damaged. It's also called tools and equipment insurance.
- Hand tools and power tools
- Scissor lifts and other equipment
- Other items brought to worksites
Professional liability insurance
This policy is also called errors and omissions insurance (E&O). It covers legal fees when a general contractor is sued over a mistake, such as using the wrong materials.
- Accusations of negligence
- Failure to complete a project
- Work mistakes and oversights
Contractor surety bonds
A bond guarantees reimbursement for the client if a contractor fails to fulfill the terms of a contract or adhere to building codes. Common bonds include bid, performance, and payment bonds.
- Compliance with laws
- Incomplete jobs
- Breach of contract
Builder's risk insurance
This policy covers structures in progress and materials, often paying for damage caused by fire, vandalization, and non-severe weather events.
- New construction
- Building renovation
- Worksite theft and vandalism
Contractors pollution liability insurance
This policy covers costs related to pollution caused by your business, such as a lawsuit alleging harm caused by silica dust from a construction site.
- Pollution events
- Spills during transport
- Lawsuits over contaminants
Which policies are required for general contractors in Washington?
Whether you're in Seattle, Tacoma, or Spokane, general contractors in Washington must register with the Department of Labor & Industries (L&I) and comply with its regulations.
The state's requirements for insurance coverage include the following for contractors:
General liability insurance
All general contractors in Washington are required to carry general liability insurance. The policy must have one of the following:
- $200,000 in public liability coverage and $50,000 in property damage coverage
- A combined single limit of $250,000
This policy protects your business from costly mishaps. That includes customer injuries, accidental property damage, and other harm caused to third parties (people outside your business).
Most commercial leases require businesses to carry this coverage. Adding commercial umbrella insurance can boost your coverage on general liability insurance and other policies.
Contractor general liability insurance also covers legal costs related to advertising injuries, such as libel, slander, and copyright infringement. For example, if an employee writes false negative comments about a competitor on your social media page, it'll pay for your legal costs if the business sues.
Workers' compensation insurance
To meet state requirements in Washington, general contractors with employees must provide workers’ compensation insurance. This includes companies that are headquartered in other states but operate in Washington.
Workers' comp pays for medical bills from work-related injuries and provides disability benefits to injured workers. Washington is one of four monopolistic states, which means that businesses must purchase workers' compensation from the state fund.
Policies purchased from the state fund do not include employer's liability insurance coverage. Usually included in workers' comp, this policy pays for legal costs when an employer is sued for negligence that led to a workplace injury. Fortunately, you can still buy this coverage as a stop gap endorsement from a private insurer.
Commercial auto insurance
Commercial auto insurance protects vehicles owned by your general contracting company. It covers property damage and medical bills resulting from an accident, along with vehicle theft, weather damage, and vandalism.
The auto liability insurance requirements for Washington businesses are:
- $25,000 for injuries or death to another person
- $50,000 for injuries or death to all other people
- $10,000 for damage to another person's property
You may want to consider additional coverage, depending on the type of work you do and the vehicles you own.
For vehicles that are used by the business but are leased, rented, or otherwise not owned by the company, you'll need a separate policy called hired and non-owned auto insurance (HNOA). Personal auto insurance will typically not cover accidents or incidents that occur during work-related activities.
Surety bonds
Washington contractors must obtain a surety bond as part of their licensing requirements:
- General contractors must have a $30,000 bond.
- Specialty contractors need a $15,000 bond.
A surety bond guarantees reimbursement for the client if a general contractor fails to fulfill the terms of a contract or adhere to building codes. Common types of surety bonds include bid bonds, performance bonds, and payment bonds.

How much does insurance cost for general contractors in Washington?

General contractors in Washington who buy policies from Insureon pay an average of:
General liability: $115 per month
Commercial auto: $163 per month
Several factors affect general contractor insurance premiums, including:
- Type of building construction, such as townhouses, multifamily homes, or offices
- Business property and equipment
- Business income and size
- Years of experience in the construction industry
- Policy limits and deductibles
- Coverage options, such as an additional insured endorsement
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When do you need a general contractor business license in Washington?
There are several steps to becoming a contractor in Washington state. That includes getting a business license, or also a contractor license, depending on the type of work you do.
- First, you need a business license. This involves choosing a business structure, such as sole proprietorship or limited liability company (LLC), and then registering your business with the Department of Revenue.
- Contractors must then register with L&I. General contractors and contractors in 60+ specialties must comply with L&I's requirements for licensure and registration, which includes being bonded and insured. The specialties include roofing, painting, HVAC installation, tree removal, and more.
- Specialty contractors may need a trade license. Plumbers, electricians, and contractors who work with elevators, mobile home installation, boilers, and asbestos have additional requirements to get licensed or certified. These requirements often include a certain level of education and experience, passing an exam, and paying an application fee.
How do I get Washington contractors insurance?
Insureon helps general contractors and handymen in Washington save time and money shopping for insurance by comparing free quotes from top-rated U.S. insurance companies.
Our insurance agents are licensed in Washington and can answer your questions as you consider coverage.
To make the application go quicker, have this information ready:
- Workforce details, such as the number of employees and subcontractors
- Current and projected revenue
- Business partnerships
- Desired coverage limits
- Claims history
- Commercial lease insurance requirements
Apply for free insurance quotes for general contractors today. We can work with you to identify and purchase the best types of coverage for your business. Most small business owners receive a certificate of insurance (COI) the same day.
