Drupal Camp Seattle

They took over a McDonald's in Greenwood, should have some parking

Free parking is available in the Discovery House parking lot, between the
Discovery House Building and Dick's Drive-In.
Should be possible to park on the street too.
Bus routes 16, 26, & 44 http://metro.kingcounty.gov/
Use Google map for driving directions: http://tinyurl.com/google-map-mosaic
Address: 4401 2nd Ave NE, Seattle, WA 98105

Depends on the branch.

Downtown parking is difficult, but bus access is good.
Street parking rates: $2.50 per Hour for 2-Hour Parking
Map of local parking