About Us: Coast Water Conditioning & Plumbing

Our Story begins in 1959 when my grandfather, an insightful entrepreneur, knew that businesses and residential consumers were becoming increasingly aware of the need and desire for better quality water. With his perception, he purchased our generation #1 water treatment business, a Culligan Water franchise in Beverly Hills, California.

During this period and after leaving the United States Air Force, my father went to work for a dealership owned by Culligan International Company, in Anaheim, California. he learned the operation from the ground floor up, running water softener routes and inheriting business techniques from the inside out. After much success, he then went to work for Culligan as a Technical Service Engineer. From 1965-1967, he assisted independent Culligan dealers with plant operations and technical assistance on water treatment systems throughout the Southeast. Then on October 31st 1967, after one last stint at Northbrook, Illinois headquarters, my parents purchased our generation #2 Culligan dealership in La Jolla, California.

In 1991, I came to work at the La Jolla dealership. With my introduction, I brought a marketing degree and sales/marketing experience obtained from Russell Stover Chocolates and Knorr Swiss. I too learned the business from the ground floor up; all the while threading my sales experience into every aspect of the business. My tenacity and incite ensured the company’s growth. In 2000, I purchased the franchise and in 2010, I received a C36 plumbing license. With the new license in hand and completing 3 generations of water treatment expertise I had plans; I also recognized that there had been many changes within the water treatment industry, corporate mergers and franchise developments. At that time I made the important decision to become an independent water treatment delaer, therefore, severing ties with Culligan International Company.

Today, Coast Water Conditioning & Plumbing is a non-franchised representative of Hellenbrand Water Systems located in Waunakee, Wisconsin. Hellenbrand Water Systems was established in 1967 by Jim and Florence Hellenbrand and is now operated by Jeff and Paul Hellenbrand. Hellenbrand Water Systems is a family owned business in every sense of the word treating their 80 plus employees and their many representatives like Coast Water Conditioning & Plumbing as family. The Hellenbrand style of business is the same style of business we offer our customers. The desire to be innovators in the water treatment industry and with partnerships formed with our customers and Hellenbrand. Coast Water Conditioning & Plumbing now leads the way in solving water problems with modern, precise and affordable water treatment systems in San Diego, CA.

Thanks for reading about us,
Grant Boroff

More About Us and Our Plumbing Services

Water Treatment:

  • Water Softening
  • Deionization
  • ReverseOsmosis
  • POU Filtration
  • Salt-less Conditioning
  • Whole House Filtration
  • RV & Specialty
  • Service and Maintenance
  • Potassium & Salt Delivery
  • Magnetic & TAC Treatment
  • Residential & Commercial Systems


  • Tankless Water
  • Heaters
  • Water Heater Repair
  • Water Heater Replacement
  • Drain Cleaning
  • Pressure Regulation
  • Hot Water Recirculation
  • Backflow Prevention

We Service All Makes & Models:

  • Arrowhead
  • Culligan
  • GE
  • EcoWater
  • Kinetico
  • Sears
  • Home Depot
  • Rain Soft
  • Rayne
  • Life Source
  • Water Boy and more...

about us

Our Address:
PO Box 80546
San Diego CA 92138
Contact Us