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Off-leash dog area
"Doggy Disneyland", as it is locally dubbed, Marymoor Park is best known for its 40-acre off-leash dog area. This is where dogs can be dogs. Black Labs dogpaddle against Golden Retrievers to see who can get the prize: an old tennis ball thrown by a dog owner into the Sammamish Slough.
This fabulous former farm is less than two miles from the main Microsoft campus. It is a great place to meet old friends and make new friends, both two-legged and four.
Dogs must remain on leash when outside of the boundaries of the designated off-leash area. Dogs are not allowed on fields with active play or on playgrounds.
Permits
Daily/Monthly Parking
Purchase parking passes for day use or up to 12 months.
2026 Professional Dog Walker Permits
Since October 3, 2011, professional dog walker permits are required at Marymoor Park. In 2022, King County Parks evaluated the process used to issue professional dog services concession permits in the Marymoor Park off-leash dog area. After a decision process that included engagement with stakeholders, including general park users, King County issues eight permits annually through a lottery system. The 2026 lottery for qualified applicants will occur on October 29, 2025.
Current permit holders will not be automatically renewed. Current permit holders will have the opportunity to apply for a new permit.
All permit applicants will be entered into a lottery allowing equal opportunity to receive a permit.
Apply at marymoordogwalkers.questionpro.com/2026 by October 29,2025.
For more information, contact the Marymoor Park Office at marymoorpark@kingcounty.gov or call 206-477-7275.