Contractor License Proof

Dettmer Construction Company

Licensed

Verified against CSLB on · View on CSLB

License details

License number
428171
Status
Active
Classifications
B · General Building
Contractor bond
$25,000
Workers' comp
ExemptNo employees — not a red flag.
License term on file
September 20, 1982 – September 30, 2026

Business

  • (415) 420 7434 (CSLB public record)
  • 77 PLUMAS STREET, Brisbane, CA 94005San Mateo County

Are you Dettmer Construction Company? 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.

Other General Building contractors in Brisbane

Bay Counties Construction Services Inc

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

415 Design+build

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

O'Keeffe's Inc

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

H Q Construction

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

Carmel Kabash General Construction and Painting Contractor

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

Ba Builders Inc

B · Brisbane, CA

Licensed

Verified June 17, 2026 · Bonded

Browse all General Building contractors in Brisbane

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 Dettmer Construction Company licensed in California?

Yes. Dettmer Construction Company holds an active California state contractor license (CSLB #428171), verified against the CSLB public record on June 17, 2026.

What is Dettmer Construction Company's CSLB license number?

Dettmer Construction Company's California contractor license number is 428171. 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 Dettmer Construction Company licensed for?

Dettmer Construction Company is classified under General Building (B) by the CSLB.

How do I verify Dettmer Construction Company's license myself?

Look up license #428171 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 June 17, 2026.

Verify it yourself: How to verify a California contractor license · Look up #428171 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.