Updated: Jun 04, 2026
Location and Projects
Address
18662 CONNIE DRIVE, Grass Valley, CA, 95949
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Inner Works Construction
Inner Works, 18662 Connie Dr, Grass Valley, CA (Owned by: Jon Arthur Jeffries) holds a General Building license and 3 other licenses 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 Inner Works, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Inner Works Services
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Inner Works Contact Information
Phone Number: (707) 447-5187
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Address: 18662 CONNIE DRIVE, Grass Valley, CA 95949
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Pad and electrical for trash compactor
Valuation:
$5,800
Permit #:
95100056
Status:
final
Fee:
$255
Permit Type:
Tenant improvement
Building Type:
N/A
Sfd-fire sprinklers (egress)
Valuation:
$2,000
Permit #:
C9400262
Status:
Final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Kitchen hood sysyem
Valuation:
N/A
Permit #:
98-04-065
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/a
Installation of type i hood
Valuation:
N/A
Permit #:
BP42237
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Tenant improvement
Valuation:
N/A
Permit #:
BP32532
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
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Inner Works License info
Verified License
| License # | 547727 |
| Status | Active |
| State | California |
| Type | General Building |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Inner Works at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 585958 |
| Status | Active |
| City | Vallejo |
| Type | Contractor |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of September, 2016. Check the current license status of Inner Works with the The City of Vallejo, CA
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 724871 |
| Status | Inactive |
| State | California |
| Type | General Building, Electrical, Fire Protection |
| 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 Inner Works at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 585958 |
| Status | Inactive |
| State | California |
| Type | General Building, Fire Protection |
| 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 Inner Works 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 |
Inner Works Employees
JJ
Jon Arthur Jeffries
Owner
TP
Thomas Allen Perry
Qualify Partner
WJ
William Preston White Jr
Qualify Partner