Updated: May 13, 2026
Location and Projects
Address
13570 CHASE RD, Jackson, CA, 95642
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Greg Martinsen Plumber
Greg Martinsen, 13570 Chase Rd, Jackson, CA (Employees: Gregory Frank Martinsen and Michelle Kathleen Martinsen) holds a Plumbing license according to the California license board.
Their BuildZoom score of 94 ranks in the top 24% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Greg Martinsen, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Greg Martinsen Services
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Greg Martinsen Contact Information
Phone Number: (209) 256-1813
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Address: 13570 CHASE RD, Jackson, CA 95642
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Interior & exterior gas line generator
Valuation:
N/A
Permit #:
34745
Status:
issued
Fee:
$169
Permit Type:
N/A
Building Type:
N/A
Water heater to gas
Valuation:
$1,000
Permit #:
B0501998
Status:
final
Fee:
$60
Permit Type:
Alterations
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
47208
Status:
reinstated
Fee:
$30
Permit Type:
Alteration/repair
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Greg Martinsen License info
Verified License
| License # | 650386 |
| 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 Greg Martinsen at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Insured
| Insurer | Kinsale Insurance Company |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $12,500 |
Greg Martinsen Employees
GM
Gregory Frank Martinsen
Sole Owner
MM
Michelle Kathleen Martinsen
Member