Updated: Jan 30, 2026
Location and Projects
Address
19803 COLLINS ROAD, Canyon Country, CA, 91351
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Ronald J Patterson Construction
Ronald J Patterson, 19803 Collins Rd, Canyon Country, CA (Employee: Ronald James Patterson) holds a General Building license according to the California license board.
Their BuildZoom score of 92 ranks in the top 32% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Ronald J Patterson, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Ronald J Patterson Services
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Ronald J Patterson Contact Information
Phone Number: (805) 559-5536
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Address: 19803 COLLINS ROAD, Canyon Country, CA 91351
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Install 19 circuits for conv outlets 1 1/2 hp hoist motor 1 30a outlet from existing 225a panel
Valuation:
N/A
Permit #:
20041-20000-43556
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
1 story space frame to house equipment testing enclosure within existing manufacturing building
Valuation:
$30,000
Permit #:
18016-20000-40066
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install earthquake valve
Valuation:
N/A
Permit #:
20042-20000-23652
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 150 cat 6 network cables (low voltage)
Valuation:
N/A
Permit #:
17041-20000-15633
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Water valve to sink basin new fixture
Valuation:
N/A
Permit #:
17042-20000-10608
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
17041-20000-15633
Status:
final
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
17042-20000-10608
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Install 2 gfi's on patio
Valuation:
N/A
Permit #:
11041-20000-05276
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Install eq valve
Valuation:
N/A
Permit #:
11042-20000-04588
Status:
final
Fee:
N/A
Permit Type:
1 or 2 family dwe...
Building Type:
N/A
Residential building report (this report is optional)
2020-11-16
No Description Available
Valuation:
N/A
Permit #:
RBR20-0485
Status:
rejected
Fee:
$194
Permit Type:
N/A
Building Type:
N/A
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Ronald J Patterson License info
Verified License
| License # | 873290 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Ronald J Patterson at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Ronald J Patterson Employees
RP
Ronald James Patterson
Sole Owner