Updated: May 28, 2026
Location and Projects
Headquarters Address
730 MARION, Denver, CO, 80218
Local address
P O BOX 3882, Laguna Hills, CA, 92654
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James J Marx Plumbing Architect
James J Marx Plumbing Co, Laguna Hls, Po Box 3882, Laguna Hills, CA (Owned by: Marx Leo James) holds a Plumbing license and 1 other license according to the California license board.
Their BuildZoom score of 95 ranks in the top 22% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring James J Marx Plumbing Co, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
James J Marx Plumbing Co Services
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James J Marx Plumbing Co Contact Information
Phone Number: (714) 542-2144
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Headquarters Address: 730 MARION, Denver, CO, 80218
Local Address: P O BOX 3882, Laguna Hills, CA 92654
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Building Permits by James J Marx Plumbing Co
This is a sample of this contractor's permits. Click here to access their complete permit history.
Permit to repair broken main water service between meter and the house. field verify for code compliance
Valuation:
$0
Permit #:
WB17-0957
Status:
final
Fee:
$70
Permit Type:
N/A
Building Type:
N/A
Water supply repair unit a
Valuation:
N/A
Permit #:
B13-0559
Status:
final
Fee:
$264
Permit Type:
Residence
Building Type:
N/A
Repair in guest bathroom hot water pipe/concrete slab leak
Valuation:
$0
Permit #:
B07-1210
Status:
FINALED
Fee:
$72
Permit Type:
Mep
Building Type:
N/A
Water heater enclosure for exist. restaurant
Valuation:
$600
Permit #:
NR990184
Status:
Closed-Complete
Fee:
$79
Permit Type:
N/A
Building Type:
N/A
Fix tie in for patio htrs
Valuation:
$0
Permit #:
PB011294
Status:
Closed-Complete
Fee:
$21
Permit Type:
N/A
Building Type:
N/A
Water heater and enclosure
Valuation:
$0
Permit #:
PB990473
Status:
Closed-Complete
Fee:
$59
Permit Type:
N/A
Building Type:
N/A
Sewer replacement
Valuation:
N/A
Permit #:
BLD10-0761
Status:
final
Fee:
$52
Permit Type:
Mep
Building Type:
N/A
Gas for generator
Valuation:
$0
Permit #:
PB011293
Status:
Closed-Complete
Fee:
$27
Permit Type:
N/A
Building Type:
N/A
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James J Marx Plumbing Co License info
Verified License
| License # | 732387 |
| Status | Active |
| State | California |
| Type | Plumbing |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for James J Marx Plumbing Co at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | C21116 |
| Status | Active |
| State | California |
| Type | Architect |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of August 2025.
Verify this license's status for James J Marx Plumbing Co at the California Architect License Board.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
6
Permits
- Building permit records show that James J Marx Plumbing Co has worked on 6 permitted projects.
James J Marx Plumbing Co Employees
JM
James Joseph Marx
Sole Owner
MJ
Marx Leo James
Owner