Hiring a Certified Irrigation Contractor

Choose a landscape contractor who is certified as an irrigation specialist by a professional organization. A certified irrigation specialist is your best resource for quality system design, maintenance and repair.

For a list of Washington contractors view Choosing a Certified Irrigation Contractor (pdf)

Certification descriptions

Irrigation Association (IA)

Washington Association of Landscape Professionals (WALP)

US Environmental Protection Agency (EPA)

Note: The City of Seattle, the Saving Water Partnership and participating water utilities do not regulate or endorse irrigation products or companies. The landscape contractors listed are certified by their respective professional organizations, not the Saving Water Partnership. The list is provided as a service to customers. It is not a complete list of all landscape or irrigation contractors in the Saving Water Partnership service area and it does not constitute a recommendation. The list was updated and published on March 12, 2013 and may not be current as you view it. For more information about the contractor list, please call (206) 684-5955.