Workers Comp Cost in Washington
2026 rates — mandatory for most Washington employers
Calculate Your Washington Workers Comp Cost
Workers Comp Rates by Industry — Washington 2026
| Industry Class | Risk Level | Rate / $100 payroll |
|---|---|---|
| Clerical / Office (8810) | Very Low | $0.20 – $0.45 |
| Retail / Wholesale (8017–8018) | Low | $0.80 – $2.00 |
| Restaurant / Food Service (9082) | Moderate | $1.50 – $3.50 |
| Light Manufacturing (3632) | Moderate | $2.00 – $5.00 |
| Trucking / Delivery (7219–7231) | High | $4.00 – $8.00 |
| Construction / Carpentry (5645) | High | $5.00 – $12.00 |
| Roofing (5551) | Very High | $8.00 – $18.00 |
Rates are advisory/illustrative. Actual Washington rates vary by carrier, your specific class codes, and Experience Mod.
How Your Safety Record Affects Workers Comp Cost in Washington
Estimated annual cost at $500K payroll, average industry risk — Washington rates
| EMR | Safety Profile | Est. Annual Cost |
|---|---|---|
| 0.75 | Excellent safety | $6,863/yr |
| 0.85 | Good safety record | $7,778/yr |
| 1.00 ★ | Average (no claims) — baseline | $9,150/yr |
| 1.15 | Some claims history | $10,523/yr |
| 1.30 | Frequent claims | $11,895/yr |
| 1.50 | Poor safety record | $13,725/yr |
Workers Comp in Washington — Key Facts
1. Washington Requirement & Market
Mandatory: YES — Washington is a MONOPOLY STATE FUND: private workers' comp insurance is NOT permitted
Market: Washington State Department of Labor & Industries (L&I) ONLY — no private insurers allowed
Washington is a monopoly state fund state — all employers must purchase workers' comp through the Washington State Department of Labor & Industries (L&I). Private workers' comp insurance is not available. Washington's rates are set by L&I and vary by class code (Quarterly Tabular Classification Code). Washington has a unique "Retro" (Retrospective Rating) program where employers can earn refunds for good safety performance after the policy year ends. Self-insurance is available for qualifying large employers.
2. Top Cost Tips for Washington
Washington employers: L&I's Retro program is worth investigating — businesses with good safety records can earn significant premium refunds in the 2–3 years after the policy year. Washington also has a robust vocational rehabilitation program. Since you cannot shop insurance carriers, focus on Experience Rating (your accident history) and Retro program enrollment to manage costs.
5 Ways to Lower Your Workers Comp Cost in Washington
Audit Your Class Codes
Workers comp premiums are driven by class codes — and misclassification is extremely common. A clerical employee coded as a "general laborer" can cost 10–20× more in premium. Request a full class code audit from your broker or carrier. Washington businesses that correct misclassifications routinely save 15–30% without changing coverage.
Implement a Formal Safety Program
Most Washington carriers offer Schedule Credits of 5–25% for documented safety programs. Requirements typically include: written safety manual, regular safety meetings, incident reporting procedures, and a designated safety officer. A formal program also reduces actual claims — the biggest long-term driver of your EMR and future premiums.
Start a Return-to-Work Program
The #1 way to reduce claim costs is getting injured employees back to work as quickly as possible — even in a modified-duty role. Claims that result in extended time off are 3–5× more expensive than those with immediate return to modified duty. Washington employers with documented return-to-work programs typically reduce claim duration by 30–50%.
Use Pay-As-You-Go Workers Comp
Traditional workers comp requires a large upfront deposit and a year-end audit — audits commonly result in surprise additional premiums. Pay-as-you-go workers comp (tied to each payroll run) eliminates deposit requirements, spreads costs evenly, and eliminates large audit adjustments. Widely available in Washington through most major carriers including NEXT Insurance and The Hartford.
Shop Carriers at Every Renewal
Rate variations of 20–40% between carriers for identical Washington coverage are common. Construction and roofing rates in Washington are above the regional average. Never auto-renew — get at least 3 quotes before your renewal date. Online carriers like NEXT Insurance offer instant quotes for most Washington industries, making comparison shopping faster than ever.
Compare Workers Comp Quotes in Washington
Rates vary 20–40% between carriers for identical coverage. Compare before your next renewal.
Washington Workers Comp Summary
- →Avg rate: $1.80 per $100 payroll
- →$500K payroll: ~$9,150/yr avg risk
- →Cost vs national: above average
- →Mandatory: Yes