Updated: Jul 14, 2026
Location and Projects
Headquarters Address
1045 S. JOHN RODES BLVD, Melbourne, FL, 32904
Local address
Mansfield, OH, 44901
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Cms Mechanical Services LLC
Cms Mechanical Services LLC, Mansfield, OH (Employees: Bull Robert A., Bull, Robert A, and David Grzech) holds a Mechanical license and 33 other licenses according to the Dayton license board.
Their BuildZoom score of 106 ranks in the top 7% of 52,717 Ohio licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Cms Mechanical Services LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Cms Mechanical Services LLC Contact Information
Phone Number: (321) 473-0435
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Cms Mechanical Services LLC Mansfield
Quality
106
93rd percentile
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
Cms Mechanical Services LLC has a BuildZoom score of 106, which places them above 93% of 52,717 contractors in Ohio.
Activity
|
19 projects
|
2025 |
|
16 projects
|
2024 |
|
4 projects
|
2023 |
Our building permit records indicate that Cms Mechanical Services LLC has worked on at least
39.0 projects over the past 3 years.
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
|
35 projects
|
HVAC projects |
|
19 projects
|
Mechanical projects |
Analyzing permits over the last 4 years shows that Cms Mechanical Services LLC mostly works on
hvac project
and mechanical project
projects.
Pricing
|
4 projects
|
$5k-$20k |
|
4 projects
|
$20k-$50k |
|
1 project
|
$100k-$250k |
The typical size of their permits is approximately $24,718. 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 Cms Mechanical Services LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Commercial combination furnace or air handler with air conditioner:3 package units. current ones were stolen and site currently has no heating or air conditioning. need this asap
Valuation:
N/A
Permit #:
2025P04742
Status:
issued
Fee:
$2,667
Permit Type:
Existing
Building Type:
N/A
Replace a 3 ton condenser and furnace split system. like for like license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2502610
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Replacement of 2 like for like 7.5 ton package rooftop units license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2514700
Status:
issued
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Replacement of a 5 ton package unit. old one was vandalized and stripped of all components. unit is on the ground license number: h01041 | scope item: air conditioning (including condensers evaporators compressors) license number: r00245 | scope item: coolers freezers and any other refrigeration system for use other than comfort cooling
Valuation:
N/A
Permit #:
MMEPC2352865
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Replacement- like for like 12.5 ton rooftop package unit license number: h01041 | scope item: air conditioning (including condensers evaporators compressors) license number: r00245 | scope item: coolers freezers and any other refrigeration system for use other than comfort cooling
Valuation:
N/A
Permit #:
MMEPC2338625
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Replace like for like packaged 5t unit license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2538596
Status:
filed
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Commercial combination furnace or air handler with air conditioner:
Valuation:
N/A
Permit #:
2025P01473
Status:
issued
Fee:
$2,126
Permit Type:
Existing
Building Type:
N/A
Replace 2 like for like 7.5t packaged hvac units license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2532943
Status:
issued
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Commercial heating only: replace unit heater like for like
Valuation:
N/A
Permit #:
2025P01495
Status:
issued
Fee:
$553
Permit Type:
Existing
Building Type:
N/A
Replace 10 ton split system like for like license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2432728
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Replacing a 15 ton packaged hvac unit license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2420720
Status:
issued
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Exchange like for like packaged hvac unit license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2527659
Status:
complete
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Replace like for like 5 ton packaged unit license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2522603
Status:
filed
Fee:
$500
Permit Type:
N/A
Building Type:
N/A
Replacing 4 ton hvac package unit license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2408813
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Replacement of a 10 ton package unit license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2406105
Status:
complete
Fee:
$450
Permit Type:
N/A
Building Type:
N/A
Replace existing 5 ton hvac split system like for like at fedex license number: h01041 | scope item: air conditioning (including condensers evaporators compressors)
Valuation:
N/A
Permit #:
MMEPC2345698
Status:
issued
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Repl 6 packaged rooftop units 12.5t (3) 7.5t 5t 4t (like for like)
Valuation:
$123,010
Permit #:
MEC2024C-00284
Status:
canceled
Fee:
$1,353
Permit Type:
N/A
Building Type:
N/A
Replace 1 ton ductless mini-split air conditioner like for like at salon lofts ste530 license number: h01041 | scope item: furnaces air handlers rtus
Valuation:
N/A
Permit #:
MMEPC2347033
Status:
complete
Fee:
$300
Permit Type:
N/A
Building Type:
N/A
Replace 10 ton split system like for like; has a hot water coil for heating that is fed into the building system
Valuation:
N/A
Permit #:
2024P09799
Status:
issued
Fee:
$771
Permit Type:
Existing
Building Type:
N/A
Replace (2) 5 ton hvac split systems like for like
Valuation:
$9,750
Permit #:
M24-000080
Status:
issued
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Cms Mechanical Services LLC Reviews
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Verified License
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Cms Mechanical Services LLC License info
Verified License
| License # | 1993 |
| Status | Active |
| City | Dayton |
| Type | Mechanical |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cms Mechanical Services LLC at the City of Dayton, OH - Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HC00656 |
| Status | Active |
| City | Mansfield |
| Type | Hvac Contractor |
| Date Issued | 02-24-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Cms Mechanical Services LLC at the City of Mansfield, OH.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Westlake |
| Type | Hvac, Mechanical Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Westlake |
| Type | Refg, Refrigeration Contractor |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBRC004993 |
| Status | Active |
| City | Cincinnati |
| Type | Mechanical State Licensed |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Cms Mechanical Services LLC at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBRC004993 |
| Status | Active |
| City | Cincinnati |
| Type | Hydronic Piping State Licensed |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Cms Mechanical Services LLC at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBRC004993 |
| Status | Active |
| City | Cincinnati |
| Type | General |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Cms Mechanical Services LLC at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 1993 |
| Status | Active |
| City | Dayton |
| Type | Mechanical Contractor |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Cms Mechanical Services LLC at the City of Dayton, OH - Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | CBRC004993 |
| Status | Active |
| City | Cincinnati |
| Type | Refrigeration State Licensed |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Cms Mechanical Services LLC at the Cincinnati Area Geographic Information Systems.
This is a sample of licensing data; click here to access a complete history.
Verified License
| Status | Active |
| City | Hamilton |
| Type | Hvac Contractors |
- BuildZoom verified this license was active as of July 2026.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | R00245 |
| Status | Active |
| City | Columbus |
| Type | Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cms Mechanical Services LLC at the The City of Columbus, OH.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | H01041 |
| Status | Active |
| City | Columbus |
| Type | Heating Hvac |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Cms Mechanical Services LLC at the The City of Columbus, OH.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Lake County |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of December, 2022. Check the current license status of Cms Mechanical Services LLC with the Lake County, OH Building Inspection Department
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| Status | Active |
| County | Lake County |
| Type | Hvac |
- When BuildZoom last verified this license, it had an expiration date of December, 2020. Check the current license status of Cms Mechanical Services LLC with the Lake County, OH Building Inspection Department
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HV.46551 |
| Status | Active |
| City | Ohio Professional |
| Type | HVAC Contractors |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HY.46551 |
| Status | Active |
| City | Ohio Professional |
| Type | Hydronics |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RE.46551 |
| Status | Active |
| City | Ohio Professional |
| Type | Refrigeration Contractors |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Professional License Center
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HV-0000046551 |
| Status | Active |
| State | Ohio |
| Type | HVAC |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HY-0000046551 |
| Status | Active |
| State | Ohio |
| Type | Hydronics |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | RE-0000046551 |
| Status | Active |
| State | Ohio |
| Type | Refrigeration |
- When BuildZoom last verified this license, it had an expiration date of June, 2016. Check the current license status of Cms Mechanical Services LLC with the Ohio Department of Commerce
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1993 |
| Status | Inactive |
| City | Dayton |
| Type | Heating Contractor |
- According to the City of Dayton, OH - Registered Contractors, 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 Cms Mechanical Services LLC at the City of Dayton, OH - Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 1993 |
| Status | Inactive |
| City | Dayton |
| Type | Heating Contractor |
- According to the City of Dayton, OH - Registered Contractors, 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 Cms Mechanical Services LLC at the City of Dayton, OH - Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Lakewood |
- According to the Lakewood City Registered Contractors, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 8543 |
| Status | Inactive |
| County | Champaign County |
| Type | Hvac Contractor |
- According to the Champaign County Registered Contractors, 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 Cms Mechanical Services LLC at the Champaign County Registered Contractors.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Hamilton |
| Type | Hvac Contractors |
- According to the City of Hamilton, Ohio, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Mansfield |
| Type | Hvac |
- According to the City of Mansfield, OH, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Hamilton |
| Type | Hvac Contractors |
- According to the City of Hamilton, Ohio, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Mansfield |
| Type | Hvac, Hydronics, Refrigeration |
- According to the City of Mansfield, OH, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Mansfield |
| Type | Hvac, Hydronics,Refrigeration |
- According to the City of Mansfield, OH, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| County | Portage |
| Type | Heating & Cooling |
- According to the Portage County Building Department, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Lakewood |
- According to the Lakewood City Registered Contractors, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 20-0175 |
| Status | Inactive |
| County | Cuyahoga County |
| Type | Contractor |
- According to the Cuyahoga County Agency of Inspector General, 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 Cms Mechanical Services LLC at the Cuyahoga County Agency of Inspector General.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Hamilton |
| Type | Hvac Contractors |
- According to the City of Hamilton, Ohio, 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.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| Status | Inactive |
| City | Lakewood |
- According to the Lakewood City Registered Contractors, 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.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
113
Permits
- Building permit records show that Cms Mechanical Services LLC has worked on 113 permitted projects.
Cms Mechanical Services LLC Employees
BA
Bull Robert A.
BA
Bull, Robert A
Employee
DG
David Grzech
DG
David J Grzech
Employee
GD
Grzech David
Licensee
GD
Grzech, David
Employee
GJ
Grzech, David J
Employee
KJ
Kathy Jones