Portal Construction
Verified against CSLB on · View on CSLB
License details
- License number
- 552858
- Status
- Active
- Classifications
- B · General Building
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- January 6, 1989 – October 31, 2027
Business
- (415) 847 6233 (CSLB public record)
- 17255 HILLSIDE AVENUE, Sonoma, CA 95476Sonoma County
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Frequently asked questions
Is Portal Construction licensed in California?
Yes. Portal Construction holds an active California state contractor license (CSLB #552858), verified against the CSLB public record on June 17, 2026.
What is Portal Construction's CSLB license number?
Portal Construction's California contractor license number is 552858. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=552858
What kind of work is Portal Construction licensed for?
Portal Construction is classified under General Building (B) by the CSLB.
How do I verify Portal Construction's license myself?
Look up license #552858 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=552858. 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.