A few accessible spaces at the front of the building, and pay to park lots nearby. There is public transit nearby, the easiest being Westlake Center, but there are lots of bus stops
No, but their website says: Please call ahead to 206-262-0482 or email firstname.lastname@example.org so we can make arrangements.
5 steps into balcony
Their website says that there are limited chairs and booths on a first come, first serve basis.