Howdy! My partner and I live in Woodinville Wa so not far from you. We have a 2 1/2 year old daughter and are expecting our second in November. I am a stay at home mom and my partner works for Microsoft.
We have been members of Rainbow Families. One of my good friends started it two years ago, (they just had their second anniversary a week ago). It was basically started by my friend with the help of other parents who were going to the Monday playgroup at Family Works in the Wallingford District in Seattle. It is still run by volunteer queer parents and they have events the second Sat of every month, however there are other events thrown in here and there. For instance, on the 17th there will be bowling at the UW from 3-5pm. They have a list that you can sign up on to receive emails from other rainbow family folks.
Check out the website: www.rainbowfamiliesps.org
Anyway, the answer to your question about any queer parents in the area...YES! There are a ton of queer families in the NW!