Rates for Workers' Compensation

2015 rates for workers' compensation

2015 base rates by business type and classification code

• 2015 Base Rates by Business Classification Code (60 KB MS Excel).
• 2015 Base Rates by Business Classification Code (242 KB PDF).

2015 hourly rates by risk classification code and fund

• 2015 Hourly Rates by Risk Classification Code and Fund (40 KB MS Excel).
• 2015 Hourly Rates by Risk Classification Code and Fund (115 KB PDF).

2015 experience rating parameters

• 2015 WAC 296-17-880 Table 2 Primary and Excess Credibility Values (17 KB MS Excel).
• 2015 WAC 296-17-885 Table 3 Expected Loss Rates and Primary Ratio by Risk Classification and Fiscal Year Expected Loss Rates in Dollars per Woker Hour (29 KB MS Excel).
• 2015 WAC 296-17-890 Table 4 Maximum Experience Modifications for Firms with no Compensable Accidents (11 KB MS Excel).

2014 rates for workers' compensation

2014 rates by business type and risk classification code

• 2014 Hourly Base Rates by Business Type & Risk Classification Code (49 KB MS Excel).
• 2014 Hourly Base Rates by Business Type & Risk Classification Code (155 KB PDF).

2014 rates by risk classification and fund

• 2014 Hourly Rates by Risk Classification Code and Fund (40 KB MS Excel).
• 2014 Hourly Rates by Risk Classification Code and Fund (108 KB PDF).

2013 rates for workers' compensation

There will be no overall increase in workers’ compensation insurance premiums in 2013. This is the second year in a row that L&I has held overall rates flat.

While there will be no overall rate increase in 2013, individual employers may see their rates go up or down, depending on their recent claims history and changes in the frequency and cost of claims in their industry. The table below lists rates for 345-risk classification. The new rates take effect Jan. 1, 2013. Final rate notices will be mailed to employers in early December, 2012.

2013 rates by business type and risk classification code

• 2013 Hourly Base Rates by Business Type & Risk Classification Code (42 KB MS Excel).
• 2013 Hourly Base Rates by Business Type & Risk Classification Code (259 KB PDF).

2013 rates by risk classification and fund

• 2013 Hourly Rates by Risk Classification Code and Fund (33 KB MS Excel).
• 2013 Hourly Rates by Risk Classification Code and Fund (206 KB PDF).

Additional Rating Parameters for 2013 used to calculate experience rating factors and retrospective premiums.

Historical rates

Previous Years' Rates for Workers' Compensation are available for review.

Rate change history

• Average Standard Premium Rates (30 KB MS Excel).
• Average Standard Premium Rates (53 KB PDF).

Contact your account manager with questions

Your account manager's phone number is on your quarterly report.

You can also call 360‑902‑4817 for general information or to be directed to your account manager.