Weights & Measures Program

For more information,e-mail us or call (360) 902-2035.

The WSDA Metrology Laboratory maintains the standards for mass, volume, and length in order to provide reliable measurement services for government and industry.

Service agents and service persons who intend to provide service that permits a weighing or measuring device to be placed back into commercial service must register with WSDA annually. New applicants please call the Weights & Measures office at (360) 902-2035. To renew or add new servicepersons complete a registration application (69KB).

Weighmasters are licensed and bonded under the provisions of RCW 15.80 to issue certified weight tickets. Applicants can license, renew, or add weighers online at Kelly Registration Systems, or complete a license application. (81KB).

Information for owners and operators of weighing or measuring devices.

Is your weighing or measuring device legal?

How to register your weighing or measuring device. 

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