Portello Construction, B General Building Contractor in Sonoma, CA
Portello Construction operating as a sole owner holds an active California contractor license (CSLB #518418), valid through Sep 30, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sonoma, in Sonoma County, California.
- License Number
- 518418
- Issued
- Sep 30, 1987
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800246155
- Effective
- Mar 29, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 24, 2025
- 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 Portello Construction licensed in California?
Yes. Portello Construction holds California Contractors State License Board license number 518418, which is active and in good standing. The license was first issued on September 30, 1987. It is valid through September 30, 2027.
What does Portello Construction specialize in?
Portello Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Portello Construction headquartered?
Portello Construction is headquartered at 240 Pickett Street, Sonoma, CA 95476, in Sonoma County, California.
Does Portello Construction have an active surety bond on file with CSLB?
Yes. Portello Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Portello Construction carry workers' compensation coverage?
Portello Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Portello Construction's contractor license?
You can verify Portello Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=518418.
- License issuedSep 30, 1987
- WC coverage startsSep 24, 2025
- Bond activeMar 29, 2026
- License expiresSep 30, 2027
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