Contractor License Proof

Stroer & Graff Inc

Licensed

Verified against CSLB on · View on CSLB

License details

License number
397082
Status
Active
Classifications
A · General Engineering
Contractor bond
$25,000
Workers' comp
Covered
License term on file
January 6, 1981 – January 31, 2027

Business

  • (925) 778 0200 (CSLB public record)
  • 1830 PHILLIPS LANE, Antioch, CA 94509Contra Costa County

Are you Stroer & Graff Inc? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project. See our Privacy Policy.

Something wrong on this page? Report incorrect information.

Other General Engineering contractors in Antioch

Diamond Petroleum Services Inc

A · Antioch, CA

Licensed

Verified August 4, 2026 · Bonded

Plant Reclamation

A · Antioch, CA

Licensed

Verified August 4, 2026 · Bonded

H V USA Enterprises

A · Antioch, CA

Licensed

Verified August 4, 2026 · Bonded

Bayside Trenchless Inc

A · Antioch, CA

Licensed

Verified August 4, 2026 · Bonded

Level Asset Foundation Repair Inc

A · Antioch, CA

License suspended

Verified August 4, 2026 · Bonded

Conco Services LLC

A · Antioch, CA

License suspended

Verified August 4, 2026 · Bonded

Browse all General Engineering contractors in Antioch

What to check next

How to verify a California contractor licenseRed flags when hiring a contractorLicensed vs. bonded vs. insured — what's the difference?Risks of hiring an unlicensed contractor

Frequently asked questions

Is Stroer & Graff Inc licensed in California?

Yes. Stroer & Graff Inc holds an active California state contractor license (CSLB #397082), verified against the CSLB public record on August 4, 2026.

What is Stroer & Graff Inc's CSLB license number?

Stroer & Graff Inc's California contractor license number is 397082. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.

What kind of work is Stroer & Graff Inc licensed for?

Stroer & Graff Inc is classified under General Engineering (A) by the CSLB.

How do I verify Stroer & Graff Inc's license myself?

Look up license #397082 with the CSLB "Check a License" tool and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.

Verify it yourself: How to verify a California contractor license · Look up #397082 on CSLB

Checking more than one contractor? Verify another license.Verify a license

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.