Updated: Dec 05, 2025
Location and Projects
Address
P O BOX 6097, Concord, CA, 94524
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Plogco Incorporated HVAC/Mechanical Contractor
Plogco Incorporated at P O BOX 6097, Concord, CA 94524, held a HVAC/Mechanical Contractor license (#252931) with the California contractors license board with an expiration date of 07-31-2005. We last verified the license was expired on 12-04-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Plogco Incorporated Contact Information
Phone Number: (925) 827-0156
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Address: P O BOX 6097, Concord, CA 94524
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Rehab e 4 unit bldg in the front of the lot: 6 flues for (e) wateheaters and replace enviromnetal air ducts for bathroom fans; install 2 new wall furnaces in only 2 units
Valuation:
$0
Permit #:
M0101238
Status:
Expired
Fee:
$224
Permit Type:
N/A
Building Type:
N/A
Rehab e 4 unit building in the front of the lot: 6 flues for (e) wateheaters and replace enviromnetal air ducts for bathroom fans; install 2 new wall furnaces in only 2 units
Valuation:
N/A
Permit #:
M0101238
Status:
EXPIRED
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 175 new apartments
Valuation:
$54,784,155
Permit #:
2003 109439 TM
Status:
complete
Fee:
N/A
Permit Type:
Multi family
Building Type:
N/A
Mechanical for an existing kitchen and bathroom remodel in the (2) lower units: wall furnace, flue and environmental air duct.
Valuation:
N/A
Permit #:
M0300371
Status:
final
Fee:
$106
Permit Type:
N/A
Building Type:
N/A
Rehab e 6 unit rear bldg: 6 flues for existing waterheaters and 12 environmental airducts for bathroom fans
Valuation:
$0
Permit #:
M0101239
Status:
Expired
Fee:
$259
Permit Type:
N/A
Building Type:
N/A
Building new 3 unit apartment building (building 5)
Valuation:
$198,653
Permit #:
2003 109465 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Building new 61 unit apartment building (building 2)
Valuation:
$5,384,678
Permit #:
2003 109452 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Building new 49 unit apartment building (building 3)
Valuation:
$4,034,948
Permit #:
2003 109463 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Building new 20 unit apartment building (building 4)
Valuation:
$1,502,415
Permit #:
2003 109464 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Plumbing on-site for new apartment complex
Valuation:
$18,504,643
Permit #:
2003 109497 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Electrical on-site for new apartment complex
Valuation:
$18,504,643
Permit #:
2003 109496 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Building new 42 apartment building (building 1)
Valuation:
$3,560,423
Permit #:
2003 109441 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Mechanical for the rehab. of existing apt. building. wall furnaces and environmental air ducts.
Valuation:
N/A
Permit #:
M0200112
Status:
final
Fee:
$201
Permit Type:
N/A
Building Type:
N/A
Building new garage for apartment buildings
Valuation:
$3,580,268
Permit #:
2003 109466 MF
Status:
final
Fee:
N/A
Permit Type:
Apartment
Building Type:
N/A
Residential mechanical for an existing duplex: (2) flues and (2) environmental air ducts.
Valuation:
N/A
Permit #:
RM0201845
Status:
final
Fee:
$99
Permit Type:
N/A
Building Type:
N/A
Residential mechanical for the rehab. of existing duplex. 3 environmental air ducts.
Valuation:
N/A
Permit #:
RM0200114
Status:
final
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Mechanical/new 5-unitapartment building chestnut corner building chestnut court hope vi
Valuation:
N/A
Permit #:
M0201612
Status:
final
Fee:
$268
Permit Type:
N/A
Building Type:
N/A
Building new 11 unit apartment building
Valuation:
$802,596
Permit #:
2002 020735 MF
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building new 11 unit apartment building
Valuation:
$802,596
Permit #:
2001 442029 MF
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building new 36 unit apartment building
Valuation:
$2,757,882
Permit #:
2002 020705 MF
Status:
Finaled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Plogco Incorporated Reviews
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Plogco Incorporated License info
Inactive License
| License # | 252931 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning, Sheet Metal |
| Business Type | Corporation |
- 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 Plogco Incorporated at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Plogco Incorporated, click “This is My Business” to update your information.
Bonded
| Bonded Agent | Federated Mutual Insurance Company |
| Bond Value | $12,500 |
211
Permits
- Building permit records show that Plogco Incorporated has worked on 211 permitted projects.
Plogco Incorporated Employees
DP
Dennis John Plog
Officer
JP
John Henry Plog
Rmo
LP
Larry Gene Plog
Ceo / President
LP
Larry Plog
WP
Wilma Mollet Plog
Officer