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State files updated Oct 28, 2026
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California contractor license

Checkrite Backflow Services Inc

Checkrite Backflow Services Inc of Santa Rosa holds California license 836022 (C36 Plumbing). The CSLB file dated Oct 28, 2026 lists it as active.1 It expires Apr 30, 2028.

Licensed 22 years, longer than 76% of 77 active Santa Rosa plumbing contractors.

Active

Checkrite Backflow Services Inc, Santa Rosa

License
836022
Class
C36 Plumbing
Expires
Apr 30, 2028
Bond
$25,000
Workers' comp
Insured to Jul 1, 2027

CSLB file dated Oct 28, 2026

From the CSLB file dated Oct 28, 2026. Not a consumer report; check the board before you hire.

What bond, insurance and workers' comp are on file?

Bond
$25,000Merchants Bonding Company (Mutual), from Sep 7, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredEmployers Preferred Insurance Company, from Jul 1, 2026, to Jul 1, 2027

What work does this license cover?

Issued Apr 15, 2004.

Which other Santa Rosa businesses hold C36 Plumbing?

California plumbing contractors

What should you check before hiring?

What to ask before you hire

  1. Get the license number in writing. The name on the license should match the name on your contract and invoice.
  2. Check the class covers the job. A license for one trade doesn't cover another. California license classes
  3. Ask for a certificate of insurance sent to you by the insurance agent, not handed over by the contractor. How to read a COI
  4. Ask who will be on site. If a crew works on your property, ask for proof of workers' comp. An exemption on file means the contractor told the CSLB it has no employees.
  5. Put it in a written contract: license number, price, start date and payment schedule. Check the license again on the day you sign.

If the license is lapsed

  1. Don't sign or pay a deposit until the CSLB shows the license active again.
  2. Ask the contractor why. For a bond or insurance lapse, ask for proof that the new bond or policy was filed with the CSLB, then check again.
  3. If work has started, hold further payments, keep the contract, receipts and photos, and file a complaint with Contractors State License Board (CSLB).
  4. Check another contractor. California license lookup

Sources

  1. CSLB License Master (cslb.ca.gov, Oct 28, 2026)
  2. Contractors State License Board (CSLB)