Frequently Asked Questions Is Frontier Landscaping a licensed contractor? Yes, Frontier Landscaping is licensed in Washington and Oregon. Are you affiliated with any other Professional Groups or Organizations? Yes! We're affiliated with the National Association of Landscape Professionals, the International Society of Arboriculture, and many more. To see a full list, check out our Partners page. Can you provide me with a Certificate of Insurance? Yes. Do you carry Liability and Disability Insurance? Yes, we do. If you use an on-site Supervisor, what type of experience does he/she have? A minimum of 10+ years of experience in the industry. How long have you been in business? Since 1988 When needed, do you secure permits for your work? Yes, when irrigation is installed on a project. Are you most comfortable with Commercial or Residential Projects? We are comfortable with ALL types, sizes, and scopes of projects. What is your background in this field? 35 years of experience and related education in the field. Where do you purchase your materials? We purchase our materials for our Landscaping projects from many different wholesale companies in the industry. What guarantees do you offer for your work/materials? Our guarantee is given when the bid for the project is created. Will you estimate how long a project will take? This is part of our bidding process as well. At Frontier, we want to ensure that our clients are clear on what is taking place in the project and what the timeline is for completing the project. Do you provide references with Contact Information from your most recent projects? Frontier Landscaping offers any/all references upon request from the client.