The Auburn class date has been scheduled for this month. As per this thread, the next Parkour class @ Hart's Gymnastics will be on Saturday, May 15th. The pertinent info is below, as well as in the forum thread.
Price: $17
Location: Hart's Gymnastics
4520 B St NW Suite C
Auburn, WA 98001
253.520.1973
http://hartsgymnastics.com/
Time: 5p to 7p
Don't forget regular classes and open gym times at Parkour Visions! Head over here for schedule and sign ups!
And the Tacoma classes being held at Crossfit Tacoma are still going strong 3 times a week. The schedule can be found at Parkour Visions or Crossfit Tacoma.