Updated: Jun 28, 2026
Location and Projects
Address
P. O. Box 0702, Mandeville, LA, 70470
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Flettrich Services HVAC/Mechanical Contractor
Their BuildZoom score of 0 does not rank in the top 50% of Louisiana contractors.
If you are thinking of hiring Flettrich Services Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Flettrich Services Inc Contact Information
Phone Number: (504) 401-1674
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Address: P. O. Box 0702, Mandeville, LA 70470
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Building Permits by Flettrich Services Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Residential mechanical change out (effective 8/11/2022), service fee (3%)
2023-03-24
Replaced existing hvac equipment (3.5ton system) with a new 4-ton 80, 000 btu gas furnace and a 4-ton inverter-driven variable capacity outdoor condensing unit
Valuation:
N/A
Permit #:
2023-1290
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Accessory
Residential mechanical change out (effective 8/11/2022), service fee (3%)
2025-01-07
Replacement of one 3-ton heat pump condensing unit
Valuation:
N/A
Permit #:
2025-115
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Mechanical
In the process of installing a whole house permanent generator we discovered the main gas piping was leaking meter consolidation. therefore we had to install new gas piping on the left exterior wall to feed into the home where gas was required
Valuation:
$11,160
Permit #:
20-45049-FGAS
Status:
complete
Fee:
$111
Permit Type:
N/A
Building Type:
Building use group
Residential mechanical change out (effective 8/11/2022), service fee (3%)
2023-05-19
Replacement of the existing 3-ton hvac evaporator coil and the outdoor condensing unit
Valuation:
N/A
Permit #:
2023-2309
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Accessory
Commercial mechanical permit (effective 8/11/2022), service fee (3%)
2023-07-24
Replace existing r-22 5-ton 460v 3ph hvac system serving the 1st floor office area for mr. jeff. with a new r-410a system
Valuation:
N/A
Permit #:
2023-3549
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Electrical
The existing underground 3 phase 400a service feeders were damaged by a fallen tree and must be replaced this is being handled by a-electric. flettrich services is recommending replacing the 3 phase service with a 1 phase service. we eliminating the cts are replacing the indoor service equipment with 1 phase equipment in order to split the previous 20 ton 3 ph air conditioning system ... see more
Valuation:
$10,000
Permit #:
19-23273-ERPR
Status:
issued
Fee:
$160
Permit Type:
N/A
Building Type:
Building use group
Replacement of 5 ton air conditioning condensing unit on the roof of the building serving the right front area. 2 ton condensing unit serving the computer room
Valuation:
N/A
Permit #:
36280
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Accessory building
Residential electrical connection (effective 8/11/2022), residential electrical permit (effective 8/
2023-11-20
Replacement of the existing 200amp overhead meter pan with an underground meter pan
Valuation:
N/A
Permit #:
2023-5999
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Electrical
Residential electrical connection (effective 8/11/2022), residential electrical permit (effective 8/
2023-11-20
Residential electrical permit100 amp service for well security light maintenance
Valuation:
N/A
Permit #:
2023-6005
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Electrical
Residential electrical connection, residential electrical permit, service fee (3%)
2020-07-17
Residential reinstall a 200amp electrical service mast & meter box that was damaged by a falling tree
Valuation:
N/A
Permit #:
2020-52888
Status:
applied
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
Installation of a 22kw whole house generator
Valuation:
$11,600
Permit #:
20-32790-EGEN
Status:
issued
Fee:
$100
Permit Type:
N/A
Building Type:
Building use group
Replacement of pool heater and hot water heater
Valuation:
N/A
Permit #:
20-03097-FGAS
Status:
complete
Fee:
$65
Permit Type:
N/A
Building Type:
Building use group
4 heat pumps multi zone system
Valuation:
N/A
Permit #:
20-03096-HVAC
Status:
complete
Fee:
$239
Permit Type:
N/A
Building Type:
Building use group
No Description Available
Valuation:
N/A
Permit #:
25-10642
Status:
issued
Fee:
$62
Permit Type:
N/A
Building Type:
N/A
Installed gas line to swimming pool boiler 13703
Valuation:
N/A
Permit #:
18-34967-FGAS
Status:
final
Fee:
$70
Permit Type:
N/A
Building Type:
Two-family
Installed gas line to swimming pool boiler. 13703
Valuation:
N/A
Permit #:
18-34967-FGAS
Status:
complete
Fee:
$70
Permit Type:
N/A
Building Type:
Building use group
No Description Available
Valuation:
N/A
Permit #:
20-6275
Status:
issued
Fee:
$42
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
20-5966
Status:
issued
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Permanent generator installation as per plans
Valuation:
$11,160
Permit #:
20-45506-ACCS
Status:
issued
Fee:
$180
Permit Type:
N/A
Building Type:
Building use group
Install 200 amp service on existing barn
Valuation:
N/A
Permit #:
2020-54322
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Single family
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Flettrich Services Inc License info
Unverified License
| License # | 01311 |
| Status | Unable To Verify |
| State | Louisiana |
| Type | Heat, Air Conditioning, Ventilation Duct Work And Refrigeration, Electrical |
| Class | Commercial License Certificate |
| Date Issued | 02-23-2026 |
- BuildZoom was not able to verify this license with the licensing board
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1311 |
| Status | Inactive |
| State | Louisiana |
| Type | Electrical, Heat, Air Conditioning, Ventilation Duct Work And Refrigeration |
| Class | Commercial License |
- According to the Louisiana Licensing 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 Flettrich Services Inc at the Louisiana Licensing Board.
This is a sample of licensing data; click here to access a complete history.
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71
Permits
- Building permit records show that Flettrich Services Inc has worked on 71 permitted projects.
Flettrich Services Inc Employees
HJ
Harold L. Flettrich Jr.
HI
Harold Lorenz Flettrich III