The Washington Landscaping Contractor License allows you to do the following work:
This specialty includes installation of residential lawn sprinklers (without pumps), ponds and water-features. Work in this specialty may also require an electrical license per chapter 19.28 RCW and/or plumber certification per chapter 18.106 RCW.
The Washington Landscaping Contractor License MAY NOT work with:
Registration is NOT required for companies who only deliver material and are not installing or placing the product.