Updated: Sep 18, 2025
Location and Projects
Address
645 S PLUMOSA STREET, Merritt Island, FL, 32952
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Port St John Air Conditioning Inc
Port St John Air Conditioning Inc, 645 S Plumosa St, Merritt Island, FL (Owned by: Kosiba William J) holds a Construction Business Information license and 5 other licenses according to the Florida license board.
Their BuildZoom score of 92 ranks in the top 32% of 191,428 Florida licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Port St John Air Conditioning Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Port St John Air Conditioning Inc Services
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Port St John Air Conditioning Inc Contact Information
Phone Number: (321) 454-7276
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Address: 645 S PLUMOSA STREET, Merritt Island, FL 32952
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Building Permits by Port St John Air Conditioning Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
New 2 ton condenser and air handler. ahri number9481127
Valuation:
N/A
Permit #:
BP-21-1852
Status:
issued
Fee:
N/A
Permit Type:
Mechanical
Building Type:
Residential
Single family residence (no power) prac 2 septic
Valuation:
$204,600
Permit #:
C0022372
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building out interior of existing unit repair wiring and hvac drywall and insulation replace 32 lf of partition wall
Valuation:
$14,900
Permit #:
09BC08587
Status:
final
Fee:
$598
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$2,900
Permit #:
14-590/000 000 HVAC 00
Status:
issued
Fee:
$76
Permit Type:
HVAC
Building Type:
Not available
No Description Available
Valuation:
$3,990
Permit #:
14-324/000 000 HVAC 00
Status:
issued
Fee:
$76
Permit Type:
HVAC
Building Type:
Not available
No Description Available
Valuation:
$3,090
Permit #:
14-294/000 000 HVAC 00
Status:
issued
Fee:
$76
Permit Type:
HVAC
Building Type:
Not available
No Description Available
Valuation:
$3,800
Permit #:
1303712
Status:
C
Fee:
$36
Permit Type:
N/A
Building Type:
Condominium
Hvac
Valuation:
$4,200
Permit #:
12BC09947
Status:
final
Fee:
$92
Permit Type:
N/A
Building Type:
N/A
Replace existing 3.5 ton straight cool air handler & condenser applicant: port st. john a/c inc. contractor: port st. john a/c inc.
Valuation:
$3,133
Permit #:
0900779
Status:
issued
Fee:
N/A
Permit Type:
Air Conditioning/...
Building Type:
N/A
No Description Available
Valuation:
$17,000
Permit #:
1200035
Status:
C
Fee:
$78
Permit Type:
N/A
Building Type:
Thrify 2 u
No Description Available
Valuation:
$3,025
Permit #:
11-580/000 000 1A8F 00
Status:
issued
Fee:
$186
Permit Type:
HVAC
Building Type:
Not available
Commercial stores/customer svcs building
2003-07-21
No Description Available
Valuation:
$1,200,000
Permit #:
03-1025/000 000 HVAC 00
Status:
C.O. ISSUED
Fee:
N/A
Permit Type:
Mechanical misc
Building Type:
N/A
No Description Available
Valuation:
$2,300,000
Permit #:
04-1161/000 000 HVAC 00
Status:
PERMIT PRINTED
Fee:
N/A
Permit Type:
Mechanical misc
Building Type:
N/A
No Description Available
Valuation:
$34,475
Permit #:
11-29/000 000 1A8F 00
Status:
issued
Fee:
$4,101
Permit Type:
HVAC
Building Type:
General commercial
1 story retail store & lease space
Valuation:
N/A
Permit #:
03-1025
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac changeout/air to air/no duct
Valuation:
N/A
Permit #:
M0171716
Status:
complete
Fee:
$40
Permit Type:
N/A
Building Type:
N/A
Commercial minor hvac mechanical
2004-03-16
Hvac changeout/air-to-air on roof
Valuation:
$1,500
Permit #:
M0162112
Status:
complete
Fee:
$64
Permit Type:
N/A
Building Type:
N/A
New assisted living facility
Valuation:
N/A
Permit #:
04-1161
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Hvac changeout
Valuation:
$3,390
Permit #:
08BC09312
Status:
complete
Fee:
$85
Permit Type:
N/A
Building Type:
N/A
Hvac changeout
Valuation:
$1,600
Permit #:
08BC06256
Status:
complete
Fee:
$153
Permit Type:
N/A
Building Type:
N/A
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Port St John Air Conditioning Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Port St John Air Conditioning Inc License info
License Not Verified
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- When BuildZoom last verified this license, it had an expiration date of December, 2025. Check the current license status of Port St John Air Conditioning Inc with the Florida Department of Business & Professional Regulation
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CAC1813569 |
| Status | Active |
| State | Florida |
| Type | Certified Air Conditioning Contractor |
- BuildZoom has not verified this license since July, 2025.
Verify this license's status for Port St John Air Conditioning Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | RA0062423 |
| Status | Unable To Verify |
| State | Florida |
| Type | Registered Air Conditioning Contractor |
- 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 # | 0025010 |
| Status | Inactive |
| State | Florida |
| Type | Construction Business Information |
- According to the Florida Department of Business & Professional Regulation, 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 Port St John Air Conditioning Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1813569 |
| Status | Inactive |
| State | Florida |
| Type | Certified Air Conditioning Contractor |
- According to the Florida Department of Business & Professional Regulation, 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 Port St John Air Conditioning Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | QB25010 |
| Status | Inactive |
| State | Florida |
| Type | Construction Business Information, |
- According to the Florida Department of Business & Professional Regulation, 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 Port St John Air Conditioning Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
37
Permits
- Building permit records show that Port St John Air Conditioning Inc has worked on 37 permitted projects.
Port St John Air Conditioning Inc Employees
KJ
Kosiba William J
Owner
KJ
Kosiba, William J