About Composting Toilet Systems, Inc.

Established in 1978, Composting Toilet Systems, Inc is a small, woman owned, family business that manufactures and distributes composting toilets throughout North America and beyond. Located in Northeastern Washington State, CTS products are sold to federal, state, and local agencies as well as to residential customers.

We offer a variety of composting toilet sizes from our CTS products to Sun-Mar products that can accomodate most of your project needs. We also offer restroom facilities that are subcontracted out of Illinois, Texas and California. The addition of restroom facilities has affirmed our commitment to providing a cost effective composting toilet package.





Helping to conserve water throughout the United States


Phone: 1-888-786-4538 (1-888-7-Toilet)
Fax: 1-509-447-3708





© 2010 Composting Toilet Systems, Inc. | 1-888-786-4538 | 1-509-447-3708
Composting Toilet Systems, Inc. P.O. Box 1928 Newport, WA 99156