From I-405 North:

Exit on South Coast Dr./Fairview Rd./Harbor Blvd.
Take the Fairview Rd./Harbor Blvd. ramp.
Take the Fairview Rd. ramp.
Turn LEFT onto Fairview Rd.
Turn Right onto Arlington Dr.

From I-405 South:

Exit on Fairview Rd.
Turn Right onto Fairview Rd.
Turn Right onto Arlington Dr.