Hall's Culligan Share: Water Agency Hall's Culligan Visit Website 885 Gateway Center Way Ste. 101 San Diego, CA 92102 (619) 889-1953 LinkedIn About Map About Culligan is a leader in water treatment, providing whole home filtration, drinking water & soft water solutions for homes as well as commercial and industrial applications since 1936. What's Nearby? Distance: 5 10 15 20 25 50 mi.