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Single Source Construction & Maintenance Inc

Single Source Construction & Maintenance Inc of Mira Loma holds California license 972039 (A General Engineering, B General Building, C36 Plumbing, D28 Doors, Gates and Activated Barrier Systems). The CSLB file dated Oct 26, 2026 lists it as active.1 It expires Apr 30, 2028.

Active

Single Source Construction & Maintenance Inc, Mira Loma

License
972039
Class
A General Engineering; B General Building; C36 Plumbing; D28 Doors, Gates and Activated Barrier Systems
Expires
Apr 30, 2028
Bond
$25,000
Workers' comp
None on file

CSLB file dated Oct 26, 2026

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

Issued Apr 12, 2012.

Bond
$25,000American Contractors Indemnity Company, from May 28, 2026, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
None on file

What work does this license cover?

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 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 26, 2026)
  2. Contractors State License Board (CSLB)