What is the minimum general liability insurance for contractors in Washington?

Washington is a monopoly workers comp state — all WC through L&I. Contractors must register with L&I and carry $200,000 GL minimum for general contractors, $200,000 for specialty trades. The Washington State Department of Labor and Industries Contractor Registration sets licensing requirements that typically include proof of general liability insurance. Contact the Washington Office of the Insurance Commissioner at https://www.insurance.wa.gov for current minimum requirements.

Who regulates business insurance in Washington?

Business insurance in Washington is regulated by the Washington Office of the Insurance Commissioner. You can find information about licensed insurers, file complaints, and verify coverage requirements at https://www.insurance.wa.gov. Contractor licensing is handled separately by the Washington State Department of Labor and Industries Contractor Registration.

How much does business insurance cost in Washington?

Business insurance costs in Washington vary by trade and business size. Washington has a cost index of 1.15 relative to the national average. A plumber in Washington pays approximately $130/month for general liability, while a general contractor pays approximately $175/month. Use our trade-specific pages for exact estimates.

Can I get business insurance online in Washington?

Yes. Most business insurers now offer online applications that take about 10 minutes — no broker call required. Same-day coverage is standard, and you can download your Certificate of Insurance (COI) immediately after purchase. Coverage is available for most trades operating in Washington.

Business Insurance in Washington (2026 Guide)

Washington has 820,000+ small businesses. Seattle's tech wealth funds one of America's strongest home-services markets, while Spokane and Vancouver serve fast-growing secondary metros. Here is everything you need to know about coverage requirements, costs, and licensing in Washington.

TAI

Written by the American Insurance HQ Editorial Team

Last updated July 2026 · Reviewed against Washington Office of the Insurance Commissioner and Washington State Department of Labor and Industries Contractor Registration publications

Washington Insurance Overview

State Insurance Regulator

Washington Office of the Insurance Commissioner

Workers Comp System

State Monopoly Fund

WC Required When

1 or more employees

Cost Index vs. National Avg

15% above average

Washington is a monopoly workers comp state — all WC through L&I. Contractors must register with L&I and carry $200,000 GL minimum for general contractors, $200,000 for specialty trades.

Major Business Centers in Washington

SeattleSpokaneTacomaVancouverBellevue

Average Insurance Costs in Washington

Costs shown are estimated monthly premiums for common trades, adjusted for Washington's market.

Trade	GL Est.	WC Est.	Details
Plumber	$130/mo	$225/mo	contractor
HVAC Contractor	$155/mo	$240/mo	contractor
Electrician	$135/mo	$250/mo	contractor
General Contractor	$175/mo	$275/mo	contractor
Handyman	$70/mo	$140/mo	contractor
Cleaning Business	$55/mo	$155/mo	service
Landscaper	$100/mo	$110/mo	service
Roofer	$215/mo	$400/mo	contractor
Painter	$85/mo	$120/mo	contractor
Pest Control	$120/mo	$215/mo	service

Estimates only. Actual premiums vary. Get a free quote for exact pricing.

Get Insured Today — Coverage Starts in Minutes

Get a fast online quote for business insurance in Washington — purpose-built small business policies with a 10-minute application and instant certificate of insurance.

✓ Built for businesss, sole operators, and small crews
✓ Online quote in about 10 minutes — no phone calls required
✓ Policies can start same day, with instant COI download
✓ Available for most trades operating in Washington

Get My Free Quote →

Affiliate disclosure: We may earn a commission at no additional cost to you.

Washington Business Insurance Requirements

Washington is a monopoly workers comp state — all WC through L&I with rates set per risk class — and L&I contractor registration makes proof of GL universal.

Washington State Department of Labor and Industries Contractor Registration

Washington is a monopoly workers comp state — all WC through L&I. Contractors must register with L&I and carry $200,000 GL minimum for general contractors, $200,000 for specialty trades.

Visit the Washington Office of the Insurance Commissioner →

Climate context: Winter windstorms, wildfire smoke seasons, and Cascadia earthquake exposure are among the weather risks Washington businesses face — a factor carriers price into local premiums and that businesses should consider when selecting coverage limits.

Workers Compensation in Washington

⚠ Monopoly State

Washington is a monopoly workers compensation state — all WC coverage must be purchased through the Washington State Department of Labor and Industries (L&I) — monopoly state. Private WC insurance is not available.

Workers compensation in Washington is required when you have 1 or more employees, administered by the Washington State Department of Labor and Industries (L&I) — monopoly state. The system type is State Monopoly Fund.

WC Required When

1 or more employees

Administered By

Washington State Department of Labor and Industries (L&I) — monopoly state

System Type

State Monopoly Fund

Browse by Profession in Washington

Select your trade for a detailed guide covering Washington-specific requirements, costs, and top insurance providers.

Washington Business Insurance FAQ

Washington requires workers compensation when you have 1 or more employees. Workers comp is administered by the Washington State Department of Labor and Industries (L&I) — monopoly state. Important: Washington is a monopoly workers comp state — you must purchase coverage through the state fund; private WC insurance is not available.

Last reviewed: July 2026. Data sourced from Washington Office of the Insurance Commissioner, NCCI rate filings, and the Washington State Department of Labor and Industries Contractor Registration.