Portal Construction, B General Building Contractor in Sonoma, CA
Portal Construction operating as a corporation holds an active California contractor license (CSLB #552858), valid through Oct 31, 2027. First issued in 1989, the license has been on the CSLB roster for 37 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sonoma, in Sonoma County, California.
- License Number
- 552858
- Issued
- Jan 6, 1989
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67368239
- Effective
- Jun 30, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 2, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Portal Construction licensed in California?
Yes. Portal Construction holds California Contractors State License Board license number 552858, which is active and in good standing. The license was first issued on January 6, 1989. It is valid through October 31, 2027.
What does Portal Construction specialize in?
Portal Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Portal Construction headquartered?
Portal Construction is headquartered at 17255 Hillside Avenue, Sonoma, CA 95476, in Sonoma County, California.
Does Portal Construction have an active surety bond on file with CSLB?
Yes. Portal Construction has an active California contractor surety bond filed with Western Surety Company.
Does Portal Construction carry workers' compensation coverage?
Portal Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Portal Construction's contractor license?
You can verify Portal Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=552858.
- License issuedJan 6, 1989
- Bond activeJun 30, 2025
- WC coverage startsMar 2, 2026
- License expiresOct 31, 2027
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