Contractor License Proof

Mechanical Insulation Services Incorporated

Licensed

Verified against CSLB on · View on CSLB

License details

License number
457391
Status
Active
Contractor bond
$25,000
Workers' comp
Covered
License term on file
May 31, 1984July 31, 2026CSLB lists this license as current.

Business

  • (925) 963 1704 (CSLB public record)
  • 3164 COWELL RD, Concord, CA 94518Contra Costa County

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Frequently asked questions

Is Mechanical Insulation Services Incorporated licensed in California?

Yes. Mechanical Insulation Services Incorporated holds an active California state contractor license (CSLB #457391), verified against the CSLB public record on August 4, 2026.

What is Mechanical Insulation Services Incorporated's CSLB license number?

Mechanical Insulation Services Incorporated's California contractor license number is 457391. 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 Mechanical Insulation Services Incorporated licensed for?

Mechanical Insulation Services Incorporated is classified under Insulation and Acoustical (C-2) by the CSLB.

How do I verify Mechanical Insulation Services Incorporated's license myself?

Look up license #457391 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 #457391 on CSLB

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