Contractor License Proof

Earl Ising Inc DBA Culligan Water Conditoning

Licensed

Verified against CSLB on · View on CSLB

License details

License number
398975
Status
Active
Classifications
C-55 · Water Conditioning
Contractor bond
$25,000
Workers' comp
Covered
License term on file
November 21, 1980 – November 30, 2026

Business

  • (925) 447 3717 (CSLB public record)
  • P O BOX 591, Livermore, CA 94551Alameda County

Are you Earl Ising Inc DBA Culligan Water Conditoning? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Something wrong on this page? Report incorrect information.

Other Water Conditioning contractors in Livermore

Puronics LLC

C-55 · Livermore, CA

License suspended

Verified August 4, 2026 · Bonded

Puronics of Norcal LLC

C-55 · Livermore, CA

Licensed

Verified August 4, 2026 · Bonded

Advanced Water Products

C-55 · Livermore, CA

Licensed

Verified August 4, 2026 · Bonded

G E Ising Inc DBA Ising's Culligan Water of San Joaquin Valley

C-55 · Livermore, CA

Licensed

Verified August 4, 2026 · Bonded

Browse all Water Conditioning contractors in Livermore

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Earl Ising Inc DBA Culligan Water Conditoning licensed in California?

Yes. Earl Ising Inc DBA Culligan Water Conditoning holds an active California state contractor license (CSLB #398975), verified against the CSLB public record on August 4, 2026.

What is Earl Ising Inc DBA Culligan Water Conditoning's CSLB license number?

Earl Ising Inc DBA Culligan Water Conditoning's California contractor license number is 398975. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Earl Ising Inc DBA Culligan Water Conditoning licensed for?

Earl Ising Inc DBA Culligan Water Conditoning is classified under Water Conditioning (C-55) by the CSLB.

How do I verify Earl Ising Inc DBA Culligan Water Conditoning's license myself?

Look up license #398975 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #398975 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.