Porter Robert J Const, B General Building Contractor in Byron, CA
Porter Robert J Const operating as a sole owner holds an active California contractor license (CSLB #620533), valid through Apr 30, 2027. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Byron, in Contra Costa County, California.
- License Number
- 620533
- Issued
- May 22, 1991
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901059613
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 5, 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 Porter Robert J Const licensed in California?
Yes. Porter Robert J Const holds California Contractors State License Board license number 620533, which is active and in good standing. The license was first issued on May 22, 1991. It is valid through April 30, 2027.
What does Porter Robert J Const specialize in?
Porter Robert J Const is licensed for one CSLB classification: B General Building Contractor.
Where is Porter Robert J Const headquartered?
Porter Robert J Const is headquartered at 5900 Starboard Drive, Byron, CA 94505, in Contra Costa County, California.
Does Porter Robert J Const have an active surety bond on file with CSLB?
Yes. Porter Robert J Const has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Porter Robert J Const carry workers' compensation coverage?
Porter Robert J Const reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Porter Robert J Const's contractor license?
You can verify Porter Robert J Const's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=620533.
- License issuedMay 22, 1991
- Bond activeJan 1, 2023
- WC coverage startsMar 5, 2025
- License expiresApr 30, 2027
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