Updated: Jun 12, 2026
Location and Projects
Address
4444 GUSTINE AVE., Saint Louis, MO, 63116
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Niksic Air Conditioning and Heating
Niksic Air Conditioning and Heating, 4444 Gustine Ave, St. Louis, MO (Employees: Amir Niksic and Robert P Mccormack) holds a Mechanical license and 4 other licenses according to the St Louis County license board.
Their BuildZoom score of 103 ranks in the top 10% of 23,328 Missouri licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Niksic Air Conditioning and Heating, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Niksic Air Conditioning and Heating Services
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Niksic Air Conditioning and Heating Contact Information
Phone Number: (314) 631-6177
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Address: 4444 GUSTINE AVE., St. Louis, MO 63116
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Niksic Air Conditioning and Heating St. Louis
Quality
103
90th percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Niksic Air Conditioning and Heating has a BuildZoom score of 103, which places them above 90% of 23,328 contractors in Missouri.
Activity
|
22 projects
|
2025 |
Our building permit records indicate that Niksic Air Conditioning and Heating has worked on at least
22.0 projects over the past year.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
18 projects
|
HVAC projects |
|
16 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Niksic Air Conditioning and Heating mostly works on
hvac project
and mechanical project
projects.
Pricing
|
5 projects
|
< $5k |
|
12 projects
|
$5k-$20k |
|
1 project
|
$20k-$50k |
|
3 projects
|
$50k-$100k |
|
1 project
|
$100k-$250k |
|
1 project
|
$1mil+ |
The typical size of their permits is approximately $10,000. This graph shows the distribution of these job values.
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Niksic Air Conditioning and Heating
This is a sample of this contractor's permits. Click here to access their complete permit history.
Wing snob - building permit 24bld-08917. install 7.5 ton remote terminal unit duct work diffussers 10 kitchen hood grease duct make up air make up air duct work gas lines 2- bathroom exhaust fans walk in cooler evaporator and condenser
Valuation:
$63,000
Permit #:
25MEC-07269
Status:
issued
Fee:
$521
Permit Type:
Alteration
Building Type:
N/A
Need a residential building permit. im planning on finishing up my basement space of my house with a masterbedroom with existing egress window not higher than 10''from ground level a rec.room a walk in closet and a full-size bathroom
Valuation:
$10,000
Permit #:
25BLD-02797
Status:
issued
Fee:
$228
Permit Type:
Interior finish
Building Type:
N/A
****unable to process – please resubmit* we are unable to process your permit for the following reason(s): mechanical work was approved under the building permit 24bld-00452. please sign on to the building permit. if you have questions please contact the building plan reviewer derek bell: 314-615-5472 please click on the link for more information: https://stlouiscountymo.gov/st-louis-... see more
Valuation:
$14,500
Permit #:
25MEC-07311
Status:
canceled
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Small sliders - install new gas line from customers meter to new remote terminal unit install drain line for walk in cooler 25mec-01470
Valuation:
$6,400
Permit #:
25MEC-04502
Status:
complete
Fee:
$213
Permit Type:
Alteration
Building Type:
N/A
Lovesac- tenant improvement
Valuation:
$124,500
Permit #:
25MEC-01675
Status:
complete
Fee:
$949
Permit Type:
Alteration
Building Type:
N/A
Framing 2x4 wooden stud walls in existing basement. insulate and drywall
Valuation:
$25,000
Permit #:
25BLD-02322
Status:
issued
Fee:
$217
Permit Type:
Other
Building Type:
N/A
Install 1.5 ton air conditioning acoil 60k btu 80% furnace line set
Valuation:
$4,200
Permit #:
25MEC-08624
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
Install 80% 80k btu furnace 2.5 ton air conditioning and acoil
Valuation:
$6,400
Permit #:
25MEC-06080
Status:
complete
Fee:
$79
Permit Type:
Replacement
Building Type:
N/A
(npr) install 2- 2ton duct less mini splits
Valuation:
$10,500
Permit #:
ME25-000345
Status:
issued
Fee:
N/A
Permit Type:
Single family alt...
Building Type:
N/A
Building residential existing building (integrated/non-integrated)
2025-10-06
Installation of 3/4 backflow preventer
Valuation:
$1,200
Permit #:
25BLD-07968
Status:
canceled
Fee:
N/A
Permit Type:
Other
Building Type:
N/A
Basement finish
Valuation:
$15,000
Permit #:
25BLD-05822
Status:
issued
Fee:
$240
Permit Type:
Alteration
Building Type:
N/A
Hvac ductwork equipment etc for tenant finish- firehouse subs; 15bld-06409
Valuation:
$30,000
Permit #:
16MEC-00717
Status:
complete
Fee:
$319
Permit Type:
Interior finish
Building Type:
N/A
Seismic addendum to 16mec-00717- firehouse subs; 15bld-06409
Valuation:
$30,000
Permit #:
16MEC-00718
Status:
complete
Fee:
$156
Permit Type:
Interior finish
Building Type:
N/A
Install 2 ton air conditioning and 2 ton air handler
Valuation:
$5,200
Permit #:
25MEC-11065
Status:
filed
Fee:
$188
Permit Type:
Replacement
Building Type:
N/A
***if this is a new system and not a replacement mechanical plans must be submitted to our online permitting portal if this is a like for like replacement please resubmit and state that in your description of work. for more information on how to submit plans please go to our website at https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/electronic-p... see more
Valuation:
$3,400
Permit #:
25MEC-09583
Status:
canceled
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
Building residential existing building (integrated/non-integrated)
2025-11-07
Wyw- remodel kitchen three bathrooms new electrical panel and misc. electrical works in the house
Valuation:
$60,000
Permit #:
25BLD-08657
Status:
complete
Fee:
$407
Permit Type:
Replacement
Building Type:
N/A
Sterling replace 2 hanging unit heaters in warehouse with new flue pipe
Valuation:
$18,000
Permit #:
25MEC-10611
Status:
issued
Fee:
$188
Permit Type:
Replacement
Building Type:
N/A
***if this is a new system and not a replacement mechanical plans must be submitted to our online permitting portal if this is a like for like replacement please resubmit and state that in your description of work. for more information on how to submit plans please go to our website at https://stlouiscountymo.gov/st-louis-county-departments/transportation-and-public-works/electronic-p... see more
Valuation:
$17,000
Permit #:
25MEC-10555
Status:
canceled
Fee:
N/A
Permit Type:
New construction
Building Type:
N/A
Installed 80k btu 80% efficient gas furnace
Valuation:
$2,600
Permit #:
25MEC-10256
Status:
complete
Fee:
$94
Permit Type:
Replacement
Building Type:
N/A
Install 45k btu 96% furnace 2 ton air conditioning and acoil 1 bathroom fan duct work for new hvac system registers and grills
Valuation:
$8,300
Permit #:
25MEC-10064
Status:
revisions requested
Fee:
N/A
Permit Type:
Alteration
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Niksic Air Conditioning and Heating License info
Verified License
| License # | X0346 |
| Status | Active |
| County | St Louis County |
| Type | Mechanical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Niksic Air Conditioning and Heating at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | D9740 |
| Status | Active |
| County | St Louis County |
| Type | Drainlayer |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Niksic Air Conditioning and Heating at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | P9740 |
| Status | Active |
| County | St Louis County |
| Type | Plumber |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Niksic Air Conditioning and Heating at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
License Not Required
| Status | Not Required |
- BuildZoom verified in July, 2025 that this contractor does not need a license to be a contractor in Missouri.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | S9560 |
| Status | Inactive |
| County | St Louis County |
| Type | Structural |
- According to the Saint Louis County Department of Public Works, 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 Niksic Air Conditioning and Heating at the Saint Louis County Department of Public Works.
This is a sample of licensing data; click here to access a complete history.
103
BuildZoom Score
23
Permits
- Building permit records show that Niksic Air Conditioning and Heating has worked on 23 permitted projects.
Niksic Air Conditioning and Heating Employees
AN
Amir Niksic
RM
Robert P Mccormack