Water Conditioning Contractors in California (C-55)
California licenses thousands of Water Conditioning contractors through the CSLB. This directory tracks 313 of them: 301 currently active (96%), with 100% carrying a contractor bond on file and 58% showing workers' compensation coverage. Every profile is dated against the official CSLB public record.
- 313
- Listed
- 301
- Active
- 313
- With bond
- 181
- With WC
Browse by city
- Fresno (11)
- Bakersfield (9)
- San Diego (9)
- Santa Rosa (9)
- Salinas (6)
- Livermore (5)
- San Jose (5)
- Costa Mesa (4)
- Los Banos (4)
- Oxnard (4)
- Santa Ana (4)
- Santa Barbara (4)
- Santa Maria (4)
- Ventura (4)
- Arroyo Grande (3)
- Auburn (3)
- Brentwood (3)
- El Cajon (3)
- Irvine (3)
- Lake Elsinore (3)
- San Rafael (3)
- Simi Valley (3)
- Vacaville (3)
- Valencia (3)
- Anaheim (2)
- Anderson (2)
- Burbank (2)
- Canoga Park (2)
- Carlsbad (2)
- Chino (2)
Water Conditioning contractors
High Quality Water of CA
C-55 · San Diego, CA
Verified August 4, 2026 · Bonded
MC Mor Chlorination Inc
C-55 · Bakersfield, CA
Verified August 4, 2026 · Bonded
Clean Water Systems & Stores Inc
C-55 · Santa Cruz, CA
Verified August 4, 2026 · Bonded
Clear Source Water Treatment
C-55 · Watsonville, CA
Verified August 4, 2026 · Bonded
Central Coast Drinking Water
C-55 · Arroyo Grande, CA
Verified August 4, 2026 · Bonded
S O S Plumbing Company
C-55 · San Clemente, CA
Verified August 4, 2026 · Bonded
Blue Creek Water Products
C-55 · Lake Elsinore, CA
Verified August 4, 2026 · Bonded
Gourmet H2o
C-55 · Westlake Village, CA
Verified August 4, 2026 · Bonded
Water Factory Inc
C-55 · Norco, CA
Verified August 4, 2026 · Bonded
Atlantis Water Systems
C-55 · Rancho Cucamonga, CA
Verified August 4, 2026 · Bonded
Mark Nelson
C-55 · Salinas, CA
Verified August 4, 2026 · Bonded
Aquatek Water Solutions
C-55 · Heber, CA
Verified August 4, 2026 · Bonded
Kimball A Klatt
C-55 · Newbury Park, CA
Verified August 4, 2026 · Bonded
All Pure Water Treatment
C-55 · San Diego, CA
Verified August 4, 2026 · Bonded
Water Purification Systems Inc
C-55 · San Diego, CA
Verified August 4, 2026 · Bonded
Advanced Pure Water Systems
C-55 · Union City, CA
Verified August 4, 2026 · Bonded
B & M Mechanical Incorporated
C-55 · South Lake Tahoe, CA
Verified August 4, 2026 · Bonded
Pure Elements Water LLC
C-55 · Newport Beach, CA
Verified August 4, 2026 · Bonded
McCowin Water Inc
C-55 · Irvine, CA
Verified August 4, 2026 · Bonded
Stevenson Water Treatment & Distribution Systems Inc
C-55 · Middletown, CA
Verified August 4, 2026 · Bonded
Calsoft Water
C-55 · Santa Maria, CA
Verified August 4, 2026 · Bonded
American Water Treatment LLC
C-55 · Sebastopol, CA
Verified August 4, 2026 · Bonded
Pro Water Solutions Inc
C-55 · Valencia, CA
Verified August 4, 2026 · Bonded
SCP Distributors LLC DBA Lincoln Aquatics
C-55 · Concord, CA
Verified August 4, 2026 · Bonded
Frequently asked questions
How many Water Conditioning contractors are licensed in California?
This directory lists 313 Water Conditioning contractors in California, of which 301 currently hold an active CSLB license.
How do I check if a Water Conditioning contractor is licensed in California?
Open the contractor's profile here for their dated CSLB status, or look up their license number directly on the CSLB "Check a License" tool. A license must be active (not expired, suspended, or inactive) to be valid.
Should a Water Conditioning contractor carry a bond and workers' compensation?
Most active CSLB licensees carry a contractor bond, and any contractor with employees must carry workers' compensation. Each profile shows what the CSLB record reports.