Contact Us

Allen and Amy Harmon started Green Thumb Company in 1988. Their business philosophy is based on a strong commitment to offering customers the highest quality service and products as well as providing an exceptional work environment.

They are available to answer your questions Monday through Friday from 8am – 4pm and will respond to your email requests within 48 business hours (and probably sooner!)

PO Box 5414
Bellingham, WA 98227
Telephone: (360) 671-5296
Fax: (360) 384-8734

Our online quote request form is now available!

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