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Water Treatment / Softener Installation in El Cajon, California

4 businesses offering water treatment / softener installation with a El Cajon address in San Diego County, CA. Updated 9-22-26.

Business	Phone	Website
California Filtration Services, Inc.El Cajon	(619) 401-4111	—	Report Phone doesn’t work
Carini Home ServicesEl Cajon	(619) 639-9173	carinihome.com	Report Phone doesn’t work Website doesn’t work
CR Spotless Water SystemsEl Cajon	(858) 530-9993	crspotless.com	Report Phone doesn’t work Website doesn’t work
Friar's Plumbing Heating and AC RepairEl Cajon	(619) 317-1303	friarsair.com/el-cajon-air-conditioning-services	Report Phone doesn’t work Website doesn’t work

Listed alphabetically. If a phone number or website does not work, use Report on that listing. Business owners: write to contact@hometradesdirectory.com to correct or remove a listing.

All water treatment / softener installation in San Diego County, by townAll 105 trades in San Diego County