Weights & Measures Program

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Weights and Measures Program


balance scalesThe WSDA Weights and Measures Program promotes marketplace equity in commercial transactions through testing and inspecting commercial devices, price verification, package inspection, public education, monitoring fuel quality, and investigating complaints.

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 who intend to provide service that permits a weighing or measuring device to be placed back into commercial service must register with WSDA annually. Regietered Service Agents can renew, add new or delete existing servicepersons online using our registration system called PISCES. Printable Service Agent/Service Person Registration Applications  [PDF 202 KB] are available for new applicants or renewing Service Agents who wish to complete a paper form.

When placing a new or used weighing or measuring device in service for the first time, a Placed in Service Report [PDF 98 KB] is required to be submitted to the Weights & Measures office.

Weighmasters are licensed under the provisions of RCW 15.80 to issue certified weight tickets. Applicants can license, renew, or add weighers online using our registration system called PISCES, or by paper form using our fillible and printable Application for Weighmaster/Weigher License [PDF 54SCES5 KB].

Questions? ​Please contact our Weights and Measures office at wtsmeasures@agr.wa.gov or (360) 902-2035.