KNOWLES BOBBIE PLUMBING
License
- Status
- CLEAR
- First issued
- October 4, 2016
- Expires
- October 31, 2026
- Entity
- Sole Owner
- Address of record
- 300 MCGRUE AVE, Vallejo, CA 94589
- Phone of record
- (510) 307 6603
Contractor bond
- Surety
- JET INSURANCE COMPANY
- Bond number
- BX0082388
- Amount
- $25,000
- Effective
- March 9, 2026
Workers’ compensation
- Carrier
- CONTINENTAL CASUALTY COMPANY
- Policy number
- 8035980431
- Effective
- August 5, 2026
- Expires
- August 5, 2027
Are they licensed for your job?
A California contractor may only contract for work their classification covers. Pick the job and this reads the license on file against it.
Licensed to perform
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
A contractor may only contract for work within their classifications. See all 14 licensed warm-air heating, ventilating and air-conditioning contractors in Vallejo.
People on this license
| Name | Title | Since | Through |
|---|---|---|---|
| KNOWLES BOBBIE III | Sole Owner | October 4, 2016 | Current |
| KNOWLES BOBBIE III | Sole Owner | January 29, 2018 | Current |
| KNOWLES BOBBIE III | Sole Owner | October 10, 2024 | Current |
Verified status badge
Put this on your website or in a bid packet. It reads the state’s record live every time someone loads it, so it is never a screenshot of a good day. Free, and you don’t need to claim this listing to use it.
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<img src="https://bookofbuilders.com/badge/1018989.svg" alt="KNOWLES BOBBIE PLUMBING — California contractor license #1018989 status, verified against CSLB records" width="268" height="76">
</a>The badge shows whatever the CSLB record says — including a suspension or lapsed coverage. There is no paid version and no way to change what it displays. That is what makes it worth showing. The same data as JSON if you’d rather build your own.
Is this your license?
Claim this page to add your photos, description, service area and contact details. The state’s record above stays exactly as it is — claiming adds to a page, it never edits or hides anything the CSLB reports.
Source: California Contractors State License Board public records. Coverage lapse is evaluated against today’s date; all other fields reflect the latest weekly CSLB file. Confirm at the CSLB’s official record before signing a contract.