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Base premium rates for workers' compensation
Get Help Downloading Files (files open in a new window).2010 proposed hourly base rates for workers' compensation
L&I announced an average 7.6% proposed rate increase for 2010 on September 21, 2009.
These proposed rates are based on the adoption of new rules regarding unassigned occupational disease claims for Retrospective Rating.
Proposed 2010 Hourly Rates by Business Type & Risk Classification Code (55 KB MS Excel).
Proposed 2010 Hourly Rates by Business Type & Risk Classification Code (266 KB PDF).
2009 final base premium rates
Additional 2009 Rating Parameters used to calculate experience rating factors and retrospective premiums.
- 2009 Hourly Rates by Business Type & Risk Classification Code (96 KB MS Excel).
- 2009 Hourly Rates by Business Type & Risk Classification Code (183 KB PDF).
- 2009 Hourly Rates by Risk Classification Code and Fund (60 KB MS Excel).
- 2009 Hourly Rates by Risk Classification Code and Fund (137 KB PDF).
2009 final rates news release.
Questions and Answers About the 2009 Rates.
2008 base premium rates
- 2008 Hourly Rates by Business Type & Risk Classification Code (83 KB MS Excel).
- 2008 Hourly Rates by Business Type & Risk Classification Code (201 KB PDF).
- 2008 Hourly Rates by Risk Classification Code and Fund (57 KB MS Excel).
- 2008 Hourly Rates by Risk Classification Code and Fund (103 KB PDF).
Historical rates
Previous Years' Rates for Workers' Compensation are available for review.
Rate change history
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.
