The annual tax return is due April 15.

Weighing and Measuring Devices

Any businesses where any of the following devices are used to determine the charges for a product or service based on weight or measure is required to have a Weighing and Measuring Devices endorsement.

Licensing requirements and additional supporting documents

(Fees shown for each individual device.)

Scales

Device Type Fee
Small: 0–400 lbs. $16
Intermediate: 401–5,000 lbs. $60
Large: more than 5,000 lbs. $120
Railroad Track $1,200

Motor Fuel Meters

Device Type Fee
Low: 20 gallons or less per minute $16
Intermediate: more than 20, but not more than 150 gallons per minute $50
High: more than 150 gallons per minute $75

Electric Vehicles

Device Type Fee
Electric Vehicle Supply Port Level 2 $20
Electric Vehicle Supply Port DC Fast Charge $40

LP Gas Meters

Device Type Fee
Small: dispenser diameter of 1 inch or smaller $40
Large: dispenser diameter greater than 1 inch $80

Miscellaneous Meters

Device Type Fee
Fabric Meter (for bolt cloth and similar material) $15
Cordage Meter (for ropes, cables, and similar material) $15
Mass Flow Meter (calculates mass of product flowing through meter) $300
Taxi Meter (used in a vehicle for hire) $40
Additional fees Fee
State tax registration $0
Registering your business name as a trade name $5
Business License Application fee Variable fee

How to apply

Apply online

Add a state endorsement to your business

Apply for a new business license

Online help

Setting up your business licensing and tax account

How to add a state endorsement

Apply by mail

Complete the licensing requirements above and mail to:

Business Licensing Service
P.O. Box 9034
Olympia, WA 98507-9034