Updated: Jun 03, 2026
Location and Projects
Address
Orlando, FL, 32861
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Keystone Mechanical Inc
Keystone Mechanical Inc, Orlando, FL (Owned by: Johnston Charles R) holds a Construction Business Information license and 8 other licenses according to the Florida license board.
Their BuildZoom score of 96 ranks in the top 20% of 191,428 Florida licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Keystone Mechanical Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Keystone Mechanical Inc Contact Information
Phone Number: (407) 298-0970
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Building Permits by Keystone Mechanical Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
1 waterchiller 30hr080d501 carrier 80ul1 heating boiler 1221 raypak 1, 223, 000ul1 dom. hot water supply boiler 962 ray-pak 962, 000 ul1 60gal. water armstrong expansion tankcooling tower holstead mitchell mcquay6p-75 10080 3hp ul. c.w. pump gould 36567.5 ul. tower pump gould 3656 5hp ulwall fan jennair 0650cfm 1/4 hp ulwg-rew
Valuation:
N/A
Permit #:
M87-16922.004
Status:
final
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
1 water chiller 30hr080d501 carrier 801 heating boiler 1221 raypak 1, 2231 hot water boiler 962 raypak 962m1 60 gal water armstrong expansion tankcooling tower holstead mitchell gp75 3hpc w pump gould 3656 7.5 h/ptower pump gould 3656 5 h/pwall fan jennair 0650cfm 1/4 h/pmech room 3ka/bc
Valuation:
N/A
Permit #:
M86-16921.003
Status:
final
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
1 water chiller 30hr080d501 carrier 801 heating boiler 1221 raypak 1, 2231 hot water boiler 962 raypak 962m1 60 gal water armstrong expansion tankcooling tower holstead mitchell gp75cw pump gould 3656 7.5 h/ptower pump gould 3656 5 h/pwall fan jennair 0650cfm 1/4 h/pmech room 2ka/bc
Valuation:
N/A
Permit #:
M86-16920.003
Status:
final
Fee:
N/A
Permit Type:
New building
Building Type:
N/A
No Description Available
Valuation:
$700,000
Permit #:
85-6701/000 000 XPL 00
Status:
issued
Fee:
$1,515
Permit Type:
Stores or mercant...
Building Type:
Planned unit deve...
No Description Available
Valuation:
$700,000
Permit #:
85-6701/000 000 XMP 00
Status:
issued
Fee:
$1,515
Permit Type:
Stores or mercant...
Building Type:
Planned unit deve...
No Description Available
Valuation:
$2,000,000
Permit #:
85-2406/000 000 XPL 00
Status:
issued
Fee:
$3,809
Permit Type:
N/A
Building Type:
Planned unit deve...
No Description Available
Valuation:
$1,911,500
Permit #:
85-400/000 000 XPL 00
Status:
issued
Fee:
$4,156
Permit Type:
Townhome single f...
Building Type:
Not available-update
No Description Available
Valuation:
$1,911,500
Permit #:
85-399/000 000 XPL 00
Status:
issued
Fee:
$4,169
Permit Type:
Townhome single f...
Building Type:
Not available-update
No Description Available
Valuation:
$1,911,500
Permit #:
85-398/000 000 XPL 00
Status:
issued
Fee:
$3,321
Permit Type:
Townhome single f...
Building Type:
Not available-update
No Description Available
Valuation:
$1,911,500
Permit #:
85-397/000 000 XPL 00
Status:
issued
Fee:
$4,224
Permit Type:
Townhome single f...
Building Type:
Not available-update
No Description Available
Valuation:
$1,700,000
Permit #:
87-8047/000 000 XMP 00
Status:
issued
Fee:
$3,815
Permit Type:
Stores or mercant...
Building Type:
Retail commercial
No Description Available
Valuation:
$2,305,600
Permit #:
87-4362/000 000 XMP 00
Status:
issued
Fee:
$4,765
Permit Type:
Stores or mercant...
Building Type:
Not available
No Description Available
Valuation:
$358,307
Permit #:
91-1472/000 000 XPL 00
Status:
complete
Fee:
$2,201
Permit Type:
Misc building - c...
Building Type:
Not available
No Description Available
Valuation:
$6,480,000
Permit #:
91-792/000 000 XPL 00
Status:
issued
Fee:
$30,164
Permit Type:
Industrial buildings
Building Type:
Not available
No Description Available
Valuation:
$6,480,000
Permit #:
91-792/000 000 XMP 00
Status:
issued
Fee:
$30,164
Permit Type:
Industrial buildings
Building Type:
Not available
No Description Available
Valuation:
$435,750
Permit #:
91-791/000 000 XPL 00
Status:
issued
Fee:
$2,588
Permit Type:
Industrial buildings
Building Type:
Not available
No Description Available
Valuation:
$435,750
Permit #:
91-791/000 000 XMP 00
Status:
issued
Fee:
$2,588
Permit Type:
Industrial buildings
Building Type:
Not available
No Description Available
Valuation:
$2,400,000
Permit #:
92-16542/000 000 XPL 00
Status:
issued
Fee:
$11,829
Permit Type:
Amusement-social ...
Building Type:
Agriculture
No Description Available
Valuation:
$2,400,000
Permit #:
92-16542/000 000 XMP 00
Status:
issued
Fee:
$11,829
Permit Type:
Amusement-social ...
Building Type:
Agriculture
No Description Available
Valuation:
$146,705
Permit #:
91-793/000 000 XPL 00
Status:
issued
Fee:
$1,244
Permit Type:
Industrial buildings
Building Type:
Not available
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Keystone Mechanical Inc Reviews
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Verified License
BuildZoom confirmed this contractor's license
Keystone Mechanical Inc License info
Verified License
| Status | Active |
| State | Florida |
| Type | Construction Business Information |
- BuildZoom verified this license was active as of December 2025.
This is a sample of licensing data; click here to access a complete history.
Unverified License
| License # | CAC036815 |
| Status | Unable To Verify |
| County | Orange County |
| Type | M Air Conditioning Class A |
- 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 # | PLM4760283 |
| Status | Inactive |
| County | Orange County |
| Type | Plumbing Contractor |
- According to the Orange County Public Schools, 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 Keystone Mechanical Inc at the Orange County Public Schools.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | S-CAC036815 |
| Status | Inactive |
| County | Sumter County |
| Type | Contractor |
- According to the County of Sumter, FL, 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 Keystone Mechanical Inc at the County of Sumter, FL.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | RM0017648 |
| Status | Inactive |
| State | Florida |
| Type | Registered Mechanical 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 Keystone Mechanical 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 # | RF0066815 |
| Status | Inactive |
| State | Florida |
| Type | Registered Plumbing 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 Keystone Mechanical 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 # | CAC036815 |
| 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 Keystone Mechanical 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 # | 0036815 |
| 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 Keystone Mechanical 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 # | QB0000555 |
| 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 Keystone Mechanical Inc at the Florida Department of Business & Professional Regulation.
This is a sample of licensing data; click here to access a complete history.
96
BuildZoom Score
Insured
| Insurer | Lassiter Ware |
Insured
| Workers Comp Provider | Bruce Morse Ins. Agn. |
95
Permits
- Building permit records show that Keystone Mechanical Inc has worked on 95 permitted projects.
Keystone Mechanical Inc Employees
CC
Collette, David C
DS
David Spence
Owner
JR
Johnston Charles R
Owner
JR
Johnston, Charles R
JR
Johnston, Robert