From I-5 Northbound:
Take Exit 21 and turn left off of off-ramp (WA-503).
Continue on making a very slight left at Goerig Street.
Turn right on Buckeye Street. Then left on Park Street. 

From I-5 Southbound:
Take Exit 21 and merge onto Pacific Avenue.
Turn right on Hoffman Street.  Right on Washington Street. Then left on Park Street.