Rates for Workers' Compensation

2018 rates for workers' compensation

2018 base rates by business type and classification code

• 2018 Base Rates by Risk Classification (78 KB MS Excel).
• 2018 Base Rates by Risk Classification (242 KB PDF).

2018 hourly rates by classification code and fund

• 2018 hourly rates by classification code and fund (34 KB MS Excel).
• 2018 hourly rates by classification code and fund (127 KB PDF).

2018 experience rating parameters

• WAC 296-17-875 Table 1 Primary Losses for Selected Claim Values (10 KB MS Excel).
• 2018 WAC 296-17-880 Table 2 Primary and Excess Credibility Values (17 KB MS Excel).
• 2018 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 (26 KB MS Excel).
• 2018 WAC 296-17-890 Table 4 Maximum Experience Modifications for Firms with no Compensable Accidents (11 KB MS Excel).

2017 rates for workers' compensation

2017 base rates by business type and classification code

• 2017 Base Rates by Risk Classification (62 KB MS Excel).
• 2017 Base Rates by Risk Classification (252 KB PDF).

2017 hourly rates by classification code and fund

• 2017 hourly rates by classification code and fund (38 KB MS Excel).
• 2017 hourly rates by classification code and fund (127 KB PDF).

2017 experience rating parameters

• 2017 WAC 296-17-880 Table 2 Primary and Excess Credibility Values (17 KB MS Excel).
• 2017 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 (26 KB MS Excel).
• 2017 WAC 296-17-890 Table 4 Maximum Experience Modifications for Firms with no Compensable Accidents (11 KB MS Excel).

2016 rates for workers' compensation

2016 base rates by business type and classification code

• 2016 Base Rates by Business Classification Code (61 KB MS Excel).
• 2016 Base Rates by Business Classification Code (242 KB PDF).

2016 hourly rates by classification code and fund

• 2016 Hourly Rates by Risk Classification Code and Fund (42 KB MS Excel).
• 2016 Hourly Rates by Risk Classification Code and Fund (115 KB PDF).

2016 experience rating parameters

• 2016 WAC 296-17-880 Table 2 Primary and Excess Credibility Values (17 KB MS Excel).
• 2016 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).
• 2016 WAC 296-17-890 Table 4 Maximum Experience Modifications for Firms with no Compensable Accidents (11 KB MS Excel).

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).

Historical rates

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

Rate change history

• Average Standard Premium Rates (28 KB MS Excel).
• Average Standard Premium Rates (57 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.