Knowles Bobbie Plumbing, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Vallejo, CA
Knowles Bobbie Plumbing operating as a sole owner holds an active California contractor license (CSLB #1018989), valid through Oct 31, 2026. First issued in 2016, the license has been on the CSLB roster for 10 years. It carries 3 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Jet Insurance Company and a previously-filed workers' compensation policy with Continental Casualty Company that is no longer active. The business is based in Vallejo, in Solano County, California.
- License Number
- 1018989
- Issued
- Oct 4, 2016
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Sole Owner
- Surety
- Jet Insurance Company
- Bond Number
- BX0082388
- Effective
- Mar 9, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035033115
- Effective
- Jul 16, 2025
- Expires
- Jul 16, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Knowles Bobbie Plumbing licensed in California?
Yes. Knowles Bobbie Plumbing holds California Contractors State License Board license number 1018989, which is active and in good standing. The license was first issued on October 4, 2016. It is valid through October 31, 2026.
What does Knowles Bobbie Plumbing specialize in?
Knowles Bobbie Plumbing is licensed for 3 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, and C-36 Plumbing Contractor.
Where is Knowles Bobbie Plumbing headquartered?
Knowles Bobbie Plumbing is headquartered at 300 Mcgrue Ave, Vallejo, CA 94589, in Solano County, California.
Does Knowles Bobbie Plumbing have an active surety bond on file with CSLB?
Yes. Knowles Bobbie Plumbing has an active California contractor surety bond filed with Jet Insurance Company.
Does Knowles Bobbie Plumbing carry workers' compensation coverage?
Knowles Bobbie Plumbing has a previously-filed workers' compensation policy with Continental Casualty Company that is no longer active.
How do I verify Knowles Bobbie Plumbing's contractor license?
You can verify Knowles Bobbie Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1018989.
- License issuedOct 4, 2016
- WC coverage startsJul 16, 2025
- Bond activeMar 9, 2026
- WC expiredJul 16, 2026
- License expiresOct 31, 2026
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