Updated: Jun 17, 2026
Location and Projects
Address
6115 EPPS DR, Winton, CA, 95388
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Mark Jantz Electrician
Mark Jantz, 6115 Epps Dr, Winton, CA (Employees: Benjamin James Giesbrecht, Charles Lynn Jantz, and David Andrew Jantz) holds a Electrical license and 6 other licenses according to the California license board.
Their BuildZoom score of 106 ranks in the top 7% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Jantz, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark Jantz Contact Information
Phone Number: (209) 564-1289
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Address: 6115 EPPS DR, Winton, CA 95388
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Mpu - 200 amps photovoltaic contractor shall be present at time of inspection - call 209-723-2489. do not cover mechanical or plumbing vents with solar panels. contractor shall provide job site access & a secure ladder with minimum of 3 rungs above roof line. inspection times 8-12 1-4 m-f provide smoke/carbon form at inspection **see attached inspection policy***
Valuation:
$38,000
Permit #:
22-00001586
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New 200 amp mpu photovoltaic contractor shall be present at time of inspection - call 209-723-2489. do not cover mechanical or plumbing vents with solar panels. contractor shall provide job site access & a secure ladder with minimum of 3 rungs above roof line. inspection times 8-12 1-4 m-f provide smoke/carbon form at inspection **see attached inspection policy***
Valuation:
$30,947
Permit #:
22-00001199
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac contractor shall provide access to at time of inspection providing ladder. call for inspection 209-723-2489. this permit shall expire within 180 days of permit issuance. cf1r on file. provide smoke/carbon form at inspection. inspection times 8-12 1-4 m-f
Valuation:
$5,200
Permit #:
22-00001544
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Photovoltaic - contractor shall be present at time of inspection - call 209-723-2489 **pv comments sheets attached to front of plans & shall be considered part of plans. do not cover mechanical or plumbing vents with solar panels. contractor shall provide job site access & a secure ladder with minimum of 3 rungs above roof line. inspection times 8-12 1-4 m-f provide smoke/carbon form ... see more
Valuation:
$22,914
Permit #:
21-00002835
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical panel upgrade to 200 amp. call (209) 723-2489 for inspection. inspections provided m-f 8-12 1-4. provide smoke and carbon form at time of inspection
Valuation:
$3,600
Permit #:
21-00003071
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residential or agriculture electrical service 1000 amps or less
2025-07-28
Main service panel upgade @ dwelling - 200 amp c/s west main st
Valuation:
N/A
Permit #:
BLD2025-1597
Status:
final
Fee:
$167
Permit Type:
Residential elect...
Building Type:
N/A
Main panel upgrade 200amps call 209-723-2489 for inspections inspections 8-12 1-4 m-f
Valuation:
$3,926
Permit #:
22-00001336
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
*****100 amp*********** electrical panel change out. please 209-723-2489 for inspection conducted 8-12 1-4 m-f
Valuation:
$3,900
Permit #:
21-00003699
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical service change out 125amp please call 209-723-2489 for inspections inspections 8-12 1-4 m-f
Valuation:
$3,500
Permit #:
21-00002565
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residence new hvac 4 ton valve 17 seer heat pump split system
Valuation:
N/A
Permit #:
BP2024-0735
Status:
issued
Fee:
$226
Permit Type:
New
Building Type:
N/A
Residence new hvac 3 ton valve 13.4 seer heat pump pkg unit
Valuation:
N/A
Permit #:
BP2024-0736
Status:
issued
Fee:
$193
Permit Type:
New
Building Type:
N/A
Commercial new overhead ele service 200a panel on power pole
Valuation:
N/A
Permit #:
BP2024-0076
Status:
final
Fee:
$76
Permit Type:
New
Building Type:
N/A
Electrical panel change out. please 209-723-2489 for inspection conducted 8-12 1-4 m-f
Valuation:
$4,000
Permit #:
21-00002999
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical panel change out. please 209-723-2489 for inspection conducted 8-12 1-4 m-f
Valuation:
$4,000
Permit #:
21-00002154
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residence 200a panel recopnnect from illegal cultivation
Valuation:
N/A
Permit #:
BP2024-0922
Status:
issued
Fee:
$151
Permit Type:
New
Building Type:
N/A
Residence rfmt solar 11panels 10kwh bat storage 100a to 200a mpu
Valuation:
N/A
Permit #:
BP2024-0308
Status:
final
Fee:
$393
Permit Type:
New
Building Type:
N/A
Main panel upgrade from 60 to 125 amp. no other work to be done under this permit. please call 209-723-2489 for inspection inspections conducted 8-12 1-4 m-f
Valuation:
$2,150
Permit #:
19-00001998
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Electrical service change out 100amp like for like. call 209-723-2489 for inspections inspections 8-12 1-4 m-f
Valuation:
$2,890
Permit #:
20-00002304
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Residence 100amp ele panel change out like for like
Valuation:
N/A
Permit #:
BP2024-0631
Status:
issued
Fee:
$76
Permit Type:
Repair/alt
Building Type:
N/A
Residence 100amp ele panel change out like for like
Valuation:
N/A
Permit #:
BP2024-0208
Status:
final
Fee:
$76
Permit Type:
New
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mark Jantz License info
Verified License
| License # | 1061055 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of December 2025.
Verify this license's status for Mark Jantz 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 # | 1015082 |
| Status | Active |
| State | California |
| Type | Electrical, Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- When BuildZoom last verified this license, it had an expiration date of June, 2026. Check the current license status of Mark Jantz with the California Contractors State License Board
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1005406 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mark Jantz at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 675377 |
| Status | Active |
| State | California |
| Type | Electrical |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark Jantz at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 373179 |
| 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 Mark Jantz at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 744281 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| 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 Mark Jantz at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 887199 |
| Status | Inactive |
| State | California |
| Type | Electrical |
| 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 Mark Jantz at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Norguard Insurance Company |
126
Permits
- Building permit records show that Mark Jantz has worked on 126 permitted projects.
Mark Jantz Employees
BG
Benjamin James Giesbrecht
Rmo / Ceo / Pres
CJ
Charles Lynn Jantz
General Partner
DJ
David Andrew Jantz
General Partner
GJ
Gary Evan Jantz
General Partner
JJ
John Monroe Jantz
Sole Owner
LG
Lester Ronald Giesbrecht
Rme
MJ
Mark Wendell Jantz
Qualify Partner
PJ
Paul Joseph Jantz
General Partner
TH
Tara Diane Hawks
General Partner