C55

C55 Water Conditioning Contractors in California - Page 2

318 CSLB C55 license records for California (Page 2 of 7)

CSLB C55 License Scope

Water conditioning contractors for water treatment systems.

318

Total Contractors

305

Active Licenses

7

Federal Records

Run CSLB License Lookup

C55 Water Conditioning Contractor License Records

Showing contractors 51-100 of 318

AQUAKLEEN AUTHORIZED SERVICE CORPORATION

Clear

License #981057 · COSTA MESA

Active

AQUALIGHT COMPANY

Clear

License #861119 · SALINAS

Active

AQUARIUS SYSTEMS

Clear

License #942324 · AGOURA HILLS

Active

AQUARIUS WATER SYSTEMS

Clear

License #1048136 · COBB

Active

AQUATEK WATER SOLUTIONS

Clear

License #1013954 · HEBER

Active

ARIZONA MOON ENTERPRISES

Clear

License #718992 · KINGMAN

Work Comp Susp

ARONI WATER CONDITIONING

Clear

License #1053649 · FRESNO

Active

ART'S WATER TREATMENT INC

Clear

License #1121251 · OAKHURST

Active

AT APOLLO TECHNOLGIES LLC

Clear

License #1086232 · PARAMOUNT

Work Comp Susp

ATLANTIS WATER SYSTEMS

Clear

License #1012392 · RANCHO CUCAMONGA

Active

AUGIE'S WATER SYSTEMS INC

Clear

License #434559 · SANTA BARBARA

Active

AUTOMATIC WATER CONDITIONING

Clear

License #421419 · VENTURA

Active

AVANTI MEMBRANE TECHNOLOGY INC

Clear

License #1091779 · DIAMOND BAR

Active

AZTEC H20 SERVICES

Clear

License #883704 · ESCONDIDO

Active

B & M MECHANICAL INCORPORATED

Clear

License #1020848 · SOUTH LAKE TAHOE

Active

BASEFLOW WATER FILTRATION AND PLUMBING

Clear

License #1059981 · SANTA MARIA

Active

BAY AREA WATER CONDITIONING

Clear

License #1090883 · SANTA ROSA

Active

BEACH FRONT MECHANICAL

Clear

License #1147459 · LA MESA

Active

BEEBE'S WATER SYSTEMS INC

Clear

License #658576 · REDDING

Active

BENRICH SERVICE COMPANY INC

Clear

License #502927 · COSTA MESA

Active

BINNS J NOBLE PLUMBING COMPANY INC

Clear

License #481544 · BAKERSFIELD

Active

BLUE CREEK WATER PRODUCTS

Clear

License #1008933 · LAKE ELSINORE

Active

BRIO WATER INC

Clear

License #1112588 · HACIENDA HEIGHTS

Active

BULLOCK MELODIE

Clear

License #1121812 · VACAVILLE

Active

CAL - COOL MECHANICAL

Clear

License #741451 · SAN DIEGO

Active

CAL TECH PUMP WELL & COMPRESSOR INC

Clear

License #923640 · MIDDLETOWN

Active

CALI WATER WORKS

Clear

License #1144472 · LAKE ELSINORE

Active

CALIFORNIA CONSERVATION

Clear

License #988644 · WILMINGTON

Active

CALIFORNIA MECHANICAL SOLUTIONS

Clear

License #680729 · SANTA ANA

Active

CALIFORNIA WATER SYSTEMS

Clear

License #765541 · SAN MATEO

Active

CALIFORNIA WATER TREATMENT

Clear

License #422327 · FOLSOM

Active

CALSOFT WATER

Clear

License #1028338 · SANTA MARIA

Active

CAPTAIN FLO WATER CONDITIONING / PLUMBING

Clear

License #725549 · BURBANK

Active

CARTER GEORGE THOMAS

Clear

License #601145 · GRASS VALLEY

Contr Bond Susp

CAVLAN WATER COMPANY INC

Clear

License #1116195 · APTOS

Active

CENTRAL CAL WATER SOLUTIONS

Clear

License #999297 · FRESNO

Active

CENTRAL COAST DRINKING WATER

Clear

License #1006331 · ARROYO GRANDE

Active

CENTURY ENVIRONMENTAL SERVICES

Clear

License #833613 · SALINAS

Active

CERTIFIED CLEAN WATER CORPORATION

Clear

License #1111832 · SANTA ANA

Active

CH2O INC

Clear

License #763719 · TUMWATER

Active

CHEROKEE CHEMICAL CO INC

Clear

License #1124728 · VERNON

Active

CHOICE WATER SOLUTIONS

Clear

License #1107955 · WEST HOLLYWOOD

Active

CHRISTENSEN MICHAEL A

Clear

License #751952 · CARMEL

Active

CLAUDE'S PLUMBING INC

Clear

License #939479 · CARSON

Active

CLE-AIR WATER PURIFICATION INC

Clear

License #667694 · FULLERTON

Active

CLEAN WATER SYSTEMS & STORES INC

Clear

License #1003944 · SANTA CRUZ

Active

CLEAR SOURCE WATER TREATMENT

Clear

License #1005365 · WATSONVILLE

Active

COAST WATER SYSTEMS INC

Clear

License #874705 · FONTANA

Active

CORONA AIR AND WATER BALANCING

Clear

License #1051200 · WALNUT

Active

CRH CALIFORNIA WATER INC

Clear

License #982519 · COVINA

Active

C55 Water Conditioning Contractor License Lookup

Use this page when you need a California C55 license lookup, a list of licensed water conditioning contractors, or a quick screen before assigning water conditioning work to a sub. Each row links to a contractor profile with CSLB status, workers' comp, bond, federal records, and permit checks.

California has 318 CSLB C55 license records for water conditioning contractors. 96% currently hold active licenses and 2.2% have at least one federal compliance record. SiteVetter checks CSLB status, SAM.gov debarment, DOL wage violations, OSHA safety citations, EPA environmental records, and building permits in seconds.

What to Check for C55 Water Conditioning Contractors

  • Verify the contractor license is active and in good standing
  • Request proof of insurance and bonding
  • Get at least 3 written quotes before selecting a contractor
  • Check federal databases: SAM.gov, OSHA, DOL, and EPA records
  • Confirm bond: California requires $25,000+ contractor bond (SB 607)

Why Federal Records Matter for Water Conditioning Work

For water conditioning work, 2.2% of licensed contractors have federal records that a standard CSLB license check would not reveal. SiteVetter's 6-source lookup gives GCs a faster way to compare subs before bid award, onboarding, or renewal review.

Data sourced from California Contractors State License Board and federal databases. Updated weekly. For official verification, check directly with CSLB.