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California contractor license

Cardenas Custom Builders Inc

Cardenas Custom Builders Inc of Hayward holds California license 1026619 (B General Building). The CSLB file dated Oct 31, 2026 lists it as active.1 It expires Aug 31, 2027.

Licensed 9 years, longer than 53% of 289 active Hayward general contractors.

Active

Cardenas Custom Builders Inc, Hayward

License
1026619
Class
B General Building
Expires
Aug 31, 2027
Bond
$25,000
Workers' comp
Insured to Jun 14, 2027

CSLB file dated Oct 31, 2026

From the CSLB file dated Oct 31, 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 Oct 31, 2026. Confirm with the board: CSLB license check

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

Bond
$25,000North River Insurance Company (The), from Aug 17, 2025, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredInsurance Company Of The West, from Jun 14, 2026, to Jun 14, 2027

Who is on this license?

Responsible managing officer, CEO and president
Alfredo Cardenas GrimaldoSince May 8, 2017

What work does this license cover?

Issued May 8, 2017. Reissued Aug 17, 2021.

Which other Hayward businesses hold B General Building?

General Contractors in HaywardCalifornia general 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 31, 2026)
  2. Contractors State License Board (CSLB)