The insurance provides wages and medical benefits to employees who are injured on the job.
This is the second year in a row that L&I has held overall workers' comp rates flat.
Renee Guillierie with L&I says money-saving reforms passed in 2011 are working, and are projected to hold down costs next year.
She says they also expect to receive fewer claims in 2013 as the economy continues a slow recovery...
Washington is the only state where workers pay a big portion of workers comp premiums.
Next year, workers' share will be about 24 percent.
While there will be no overall rate increase in 2013, individual employers may see their rates go up or down depending on their recent history of injury claims.