Updated: Jun 06, 2026
Location and Projects
Address
P O BOX 8252, Fountain Valley, CA, 92728
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John L Jonkman Construction
John L Jonkman, Fountain Vly, Po Box 8252, Fountain Valley, CA (Owned by: John Leslie Jonkman) holds a General Building license and 2 other licenses 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 John L Jonkman, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John L Jonkman Services
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John L Jonkman Contact Information
Phone Number: (909) 591-0442
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Address: P O BOX 8252, Fountain Valley, CA 92728
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This is a sample of this contractor's permits. Click here to access their complete permit history.
New 1140 sq ft 2 bedroom adu
Valuation:
$135,033
Permit #:
B2022-01600
Status:
issued
Fee:
$10,089
Permit Type:
Adu
Building Type:
N/A
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John L Jonkman License info
Verified License
| License # | 293670 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John L Jonkman at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 632290 |
| 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 John L Jonkman at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 271482 |
| Status | Inactive |
| State | California |
| Type | Lathing And Plastering |
| 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 John L Jonkman at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
94
BuildZoom Score
Bonded
| Bonded Agent | Suretec Indemnity Company |
| Bond Value | $15,000 |
John L Jonkman Employees
JJ
John Leslie Jonkman
Owner
JJ
John Siebe Jonkman
Sole Owner
RJ
Richard Alan Jonkman
Sole Owner