Contractor License Proof

Pioneer Builders

License suspended

Verified against CSLB on · View on CSLB

CSLB reason on file: Contr Bond Susp

License details

License number
555580
Status
Suspended
Classifications
A · General EngineeringC-16 · Fire ProtectionC-4 · Boiler, Hot-Water Heating and Steam Fitting
Contractor bond
$25,000
Workers' comp
Exempt
License term on file
January 27, 1989 – January 31, 2027

Business

  • (415) 559 6759 (CSLB public record)
  • 18095 LUCAS AVE, Sonoma, CA 95476Sonoma County

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Frequently asked questions

Is Pioneer Builders licensed in California?

Pioneer Builders's California contractor license (CSLB #555580) is currently suspended as of our June 17, 2026 check of the CSLB public record. CSLB reason on file: Contr Bond Susp. Always confirm the current status on CSLB before hiring.

What is Pioneer Builders's CSLB license number?

Pioneer Builders's California contractor license number is 555580. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=555580

What kind of work is Pioneer Builders licensed for?

Pioneer Builders is classified under General Engineering (A) by the CSLB.

How do I verify Pioneer Builders's license myself?

Look up license #555580 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=555580. This page reflects the CSLB public record as of June 17, 2026.

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