For 24 hour, 7 day leak detection and plumbing services call and speak with us now, or book online below (for emergencies please call first). LICENSE: # 439600. Schuelke Leak Detection is a service of Schuelke Plumbing Inc. Operating from multiple locations in Southern California. Head Office postal address: 12400 Ventura Blvd. Suite 700, Studio City, CA 91604. Call and speak with us today.