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California contractor license

Xin Feng Plumbing

Xin Feng Plumbing of San Francisco holds California license 984413 (C36 Plumbing). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Jun 30, 2027.

Doing business as Feng K Plumbing Corp.

Licensed 13 years, longer than 54% of 249 active San Francisco plumbing contractors.

Active

Xin Feng Plumbing, San Francisco

License
984413
Class
C36 Plumbing
Expires
Jun 30, 2027
Bond
$25,000
Workers' comp
Exempt

CSLB file dated Nov 1, 2026

From the CSLB file dated Nov 1, 2026. Not a consumer report; check the board before you hire.

Has the board taken action on this license?

None in the CSLB file dated Nov 1, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000Atlantic Specialty Insurance Company, from Jan 23, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
Exemptfrom May 27, 2025

Who is on this license?

Officer
Xin P. FengSince Jun 10, 2013
Responsible managing officer
Xinya FengSince Jun 10, 2013
CEO and president
Xin J. FengSince Jun 10, 2013

What work does this license cover?

Issued Jun 10, 2013.

The workers' comp exemption means the holder told the CSLB it has no employees. If a crew works on your job, ask for a workers' comp certificate.

Which other San Francisco businesses hold C36 Plumbing?

Plumbing Contractors in San FranciscoCalifornia 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, Nov 1, 2026)
  2. Contractors State License Board (CSLB)