Updated: Jun 13, 2026
Location and Projects
Address
P O BOX 832, Monrovia, CA, 91017
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R J Collins Plumbing Co Inc
R J Collins Plumbing Co Inc, Monrovia, Po Box 832, Monrovia, CA (Employee: Robert John Collins) holds a Plumbing license according to the California license board.
Their BuildZoom score of 101 ranks in the top 12% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring R J Collins Plumbing Co Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
R J Collins Plumbing Co Inc Services
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R J Collins Plumbing Co Inc Contact Information
Phone Number: (626) 461-1700
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Address: P O BOX 832, Monrovia, CA 91017
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Building Permits by R J Collins Plumbing Co Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Repair gas piping at (3) three gas meters per gas company
Valuation:
$0
Permit #:
P21-40559
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Installed a 3/4 inch seismic valve at the gas meter and replaced 2 inch main shut off valve at the front of the building
Valuation:
N/A
Permit #:
19042-90000-12815
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install water heater
Valuation:
N/A
Permit #:
21042-90000-19657
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
R/r 4 fixtures
Valuation:
N/A
Permit #:
BP2007045
Status:
final
Fee:
N/A
Permit Type:
Apartment/condo
Building Type:
N/A
plumbingfor (1) washing machinie and (1) gas system (dryer)
Valuation:
N/A
Permit #:
PLM2017-00966
Status:
final
Fee:
N/A
Permit Type:
plumbingpermit
Building Type:
N/A
Running a 2 gas line to new pool equipment and to back house
Valuation:
N/A
Permit #:
18042-10000-08900
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for installation of new water service from meter to building
Valuation:
N/A
Permit #:
PLM2018-00984
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
Install seismic valve on gas meter
Valuation:
N/A
Permit #:
23042-90000-13174
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install seismic valve at gas meter
Valuation:
N/A
Permit #:
23042-90000-13172
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Plumbing for (1) washinig machine connection and (1) gas system for portable bbq and (1) dryer outlet
Valuation:
N/A
Permit #:
PLM2017-00967
Status:
issued
Fee:
N/A
Permit Type:
Plumbing permit
Building Type:
N/A
Plumbing for (1) washing machinie and (1) gas system (dryer)
Valuation:
N/A
Permit #:
PLM2017-00966
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
Replace existing water heater
Valuation:
N/A
Permit #:
B00-053-170
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Two water heater changeouts (s
Valuation:
N/A
Permit #:
B00-048-163
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace water heater in same location and replace tankless water heater in
Valuation:
N/A
Permit #:
Plum-21-1180
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
plumbingfor (1) washinig machine connection and (1) gas system for portable bbq and (1) dryer outlet
Valuation:
N/A
Permit #:
PLM2017-00967
Status:
issued
Fee:
N/A
Permit Type:
plumbingpermit
Building Type:
N/A
Replace existing water heater
Valuation:
N/A
Permit #:
B00-056-880
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace 100 galllon gas water heater (interior only)
Valuation:
N/A
Permit #:
PLM2016-00776
Status:
final
Fee:
N/A
Permit Type:
plumbing permit
Building Type:
N/A
New 40 gallon water heater sa
Valuation:
N/A
Permit #:
B00-055-101
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) one new lavatorie and (1) one new kitchen sink
Valuation:
N/A
Permit #:
1511120020
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install (1) one new lavatorie and (1) one new kitchen sink
Valuation:
$0
Permit #:
PL1511120020
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
R J Collins Plumbing Co Inc License info
Verified License
| License # | 583305 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Corporation |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for R J Collins Plumbing Co Inc at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
101
BuildZoom Score
Bonded
| Bonded Agent | Western National Mutual Insurance Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Ace American Insurance Company |
88
Permits
- Building permit records show that R J Collins Plumbing Co Inc has worked on 88 permitted projects.
R J Collins Plumbing Co Inc Employees
RC
Robert John Collins
Rmo/Ceo/Pres