Updated: Jan 28, 2026
Location and Projects
Address
300 MCGRUE AVE, Vallejo, CA, 94589
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Bobbie Knowles Plumbing
Bobbie Knowles Plumbing, 300 Mcgrue Ave, Vallejo, CA (Owned by: Bobbie Knowles III) holds a Plumbing, Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting license according to the California license board.
Their BuildZoom score of 100 ranks in the top 13% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Bobbie Knowles Plumbing, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Bobbie Knowles Plumbing Services
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Bobbie Knowles Plumbing Contact Information
Phone Number: (510) 307-6603
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Address: 300 MCGRUE AVE, Vallejo, CA 94589
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Building Permits by Bobbie Knowles Plumbing
This is a sample of this contractor's permits. Click here to access their complete permit history.
This permit will be for the repair/replacement of existing/outdated electric radiant heating. it will be mainly the replacement of 1/2 tubing. the scope involves the removal of approx 560sq ft of tile flooring. material will be removed by licensed contractor via debris box
Valuation:
$5,000
Permit #:
B29276
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Residential
Work category: 2m ; installation of direct vent furnace in bedroom in compliance with nov complaint number 202417696
Valuation:
N/A
Permit #:
PMW20240111800
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install rough plumbing for master bathroom: sink shower toilet and powder room toilet and sink
Valuation:
N/A
Permit #:
PP20220923213
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; rough plumbing for two bathrooms one water heater and one ice maker
Valuation:
N/A
Permit #:
PW20230620936
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 2pa; remodeling of 3 bathrooms
Valuation:
N/A
Permit #:
PW20230523222
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Amend permit pp20170609075. amended scope: not finishing bathroom fixtures. orig scope of work: install rough and finish plumbing for 1 added bathroom downstairs. install in-floor hydronic heat downstairs and fan blowers upstairs install new water heater combination unit
Valuation:
N/A
Permit #:
PP20170925015
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Unit# 1746: replace wall furnace
Valuation:
N/A
Permit #:
PM20230414461
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Adding two draiins w hot and cold water lines for sinks and washer and dryer 20 gallon electrical water heater and 220 v and one 110 outlet 1581 sycamore ave #4
Valuation:
N/A
Permit #:
BIMIC18-001981
Status:
final
Fee:
$416
Permit Type:
N/A
Building Type:
N/A
House ducting and eletric heatpump installation
Valuation:
N/A
Permit #:
M2022-0092
Status:
triage
Fee:
$168
Permit Type:
Residential
Building Type:
N/A
Replace existing 50 gallon water heater
Valuation:
N/A
Permit #:
P2020-0091
Status:
final
Fee:
$136
Permit Type:
N/A
Building Type:
N/A
Underground plumbing for bathroom addition at garage level install new tankless water heater and rough - in plumbing run flue for water heater and furnace floor drain at mechanical room
Valuation:
N/A
Permit #:
PP20170801473
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install rough and finish plumbing for 1 added bathroom downstairs. install in-floor hydronic heat downstairs and fan blowers upstairs install new water heater combination unit
Valuation:
N/A
Permit #:
PP20170609075
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install radiant heating system in in-law unit water heater with heat exchanger and water heater flue
Valuation:
N/A
Permit #:
PP20161027212
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install radiant heating system in in-law unit water heater with heat exchanger and water heater flue
Valuation:
$0
Permit #:
PP20161027212
Status:
ISSUED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Amend permit pp20170801473. add'l scope of work: addition sewer lateral. orig scope of work:
Valuation:
N/A
Permit #:
PP20170925014
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Remodel: kitchen laundry 2 bathrooms 1 tankless water heater
Valuation:
N/A
Permit #:
PP20170123368
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; installation of two electric wall heaters
Valuation:
N/A
Permit #:
PMW20251205033
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Work category: 1m; replacement of gas wall furnace
Valuation:
N/A
Permit #:
PMW20251010740
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Bobbie Knowles Plumbing License info
Verified License
| License # | 1018989 |
| Status | Active |
| State | California |
| Type | Plumbing, Warm Air Heating, Ventilating And Air Conditioning, Boiler, Hot Water Heating And Steam Fitting |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Bobbie Knowles Plumbing at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
100
BuildZoom Score
Bonded
| Bonded Agent | Accredited Surety & Casualty Company Inc |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Clear Spring Property & Casualty Company |
13
Permits
- Building permit records show that Bobbie Knowles Plumbing has worked on 13 permitted projects.
Bobbie Knowles Plumbing Employees
BI
Bobbie Knowles Iii
Sole Owner
BI
Bobbie Knowles III
Owner