WA State Licensing: Weighing and Measuring Devices

Weighing and measuring devices

A weighing and measuring device license is required for businesses where any of the following devices are used to determine the charges for a product or service on the basis of weight or measure.

Post your license

A license must be posted at each location where the licensee operates. You may not begin this business activity until you receive a Business License listing the required license.

How to apply


By mail

  1. Complete all of the following forms:
  2. Mail your completed application and addendum with a check or money order payable to “Department of Revenue” for the fees to:
    State of Washington
    Business Licensing Service
    PO Box 9034
    Olympia, WA 98507-9034


(Fees shown for each individual device.)

Scales Fee
Small: 0–400 lbs. $10
Intermediate: 401–5,000 lbs. $40
Large: More than 5,000 lbs. $75
Railroad Track $800
Motor fuel meters Fee
Low: 20 gallons or less per minute $10
Intermediate: More than 20 and less than 151 gallons per minute. $32
High: More than 150 gallons per minute $50
LP gas meters Fees
Small: Dispenser diameter of 1 inch or smaller $25
Large: Dispenser diameter greater than 1 inch $50
Miscellaneous meters Fees
Fabric meter (for bolt cloth and similar material) $10
Cordage meter (for ropes, cables, and similar material) $10
Mass flow meter (calculates mass of product flowing through meter) $200
Taxi meter (used in a vehicle for hire) $25
Other fees that may apply Fees
State tax registration No fee
Registering your business name as trade name $5
Business License Application fee $19 (non-refundable)

Contact information

State of Washington
Business Licensing Service
PO Box 9034
Olympia, WA 98507-9034

Phone: 1-800-451-7985
Email: BLS@dor.wa.gov
Fax: 360-705-6699

Office hours

Monday through Friday
8 a.m. to 5 p.m.

Mailing information

Please remember to enclose all necessary documents and fees with your completed application. Incomplete submissions will result in a delay in your licensure.

It is important that you contact our office, in writing, with any changes in address.