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California contractor license

Black Diamond Asphalt Inc

Black Diamond Asphalt Inc of Vacaville holds California license 680743 (A General Engineering). The CSLB file dated Nov 1, 2026 lists it as active.1 It expires Nov 30, 2027.

Licensed 32 years, longer than 87% of 135 active Vacaville general contractors.

Active

Black Diamond Asphalt Inc, Vacaville

License
680743
Class
A General Engineering
Expires
Nov 30, 2027
Bond
$25,000
Workers' comp
Insured to Apr 19, 2027

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
$25,000National Fire Insurance Company Of Hartford, from Jan 1, 2023, continuous
Liability insurance
Not in the CSLB fileCheck with the board
Workers' comp
InsuredState Compensation Insurance Fund, from Apr 19, 2015, to Apr 19, 2027

Who is on this license?

Officer
Bueford G. RaganSince Nov 22, 1993
Responsible managing officer, CEO and president
Allison P. RaganSince Nov 22, 1993

What work does this license cover?

Issued Nov 22, 1993.

Which other Vacaville businesses hold A General Engineering?

General Contractors in VacavilleCalifornia 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, Nov 1, 2026)
  2. Contractors State License Board (CSLB)