Professional Licenses and Memberships

• Washington State Designer's License #5100122
• King County On-site Maintainer License #001
• King County Master Installer's License #MI133
(We maintain our MI license although we do not do any actual installation. We do maintain a list of qualified professional from which you can obtain bids.)
• Washington State Contractor's License #HUARDSDS992B3
• Washington On-Site Sewage Association (WOSSA) Member