Welcome to YT! I'm a bit south of you, south of Kenmore. Our older yorkie isn't really up to visitors these days, our younger is 1/2 yorkie and about 14 pounds, a little large for a good play date match up.
Here's some links for possible groups near you.
Meetups near Snohomish, Washington - Meetup Pets & Animals Meetups in Mukilteo - Meetup Dog Parks | Snohomish County, WA - Official Website