Updated: May 17, 2026
Location and Projects
Address
13637 W BELL, Livingston, CA, 95334
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Ronald Gene Koehn Construction
Ronald Gene Koehn, 13637 W Bell, Livingston, CA (Employee: Jerome Doyle Jantz) holds a General Building license and 1 other 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 Gene Koehn, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Ronald Gene Koehn Services
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Ronald Gene Koehn Contact Information
Phone Number: (209) 535-8249
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Address: 13637 W BELL, Livingston, CA 95334
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This is a sample of this contractor's permits. Click here to access their complete permit history.
1118sqft house move 676sqft garage 160sqft porch** septic
Valuation:
$135,583
Permit #:
BP2008-0082
Status:
FINALED
Fee:
$3,107
Permit Type:
Move to cty
Building Type:
N/A
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Ronald Gene Koehn License info
Verified License
| License # | 457207 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Ronald Gene Koehn at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 338044 |
| Status | Inactive |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed. If this is your business, please update your license status.
Check this license's status for Ronald Gene Koehn 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 Gene Koehn Employees
JJ
Jerome Doyle Jantz
General Partner
RK
Ronald Gene Koehn
Owner