Updated: May 30, 2026
Location and Projects
Address
5807 WYNGATE DRIVE, Grantsville, MD, 21536
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John C Cassell Construction
John C Cassell, 5807 Wyngate Dr, Grantsville, MD (Employees: John Cassell and Robert Cassell) holds a Electricians license and 5 other licenses according to the Maryland license board.
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John C Cassell, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John C Cassell Services
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John C Cassell Contact Information
Phone Number: (301) 530-9337
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Address: 5807 WYNGATE DRIVE, Grantsville, MD 21536
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Hook up drains and water lines on new modular single family dwelling
Valuation:
N/A
Permit #:
370173
Status:
complete
Fee:
$346
Permit Type:
Plumbperm
Building Type:
N/A
Electrical permit
Sp81-05/86-29;phase 5 #13775|concrete foundations & pit support structure for concrete plant conveyer mixer & distribution silo|(see permit #117190 for main control bldg.)|*** extension 10/17/14 lw ***|8/10/15-bob e. wants a separate permit for each bldg; fixtures & equipment were all paid on ap# 132706-minimum fees per bob-blh
Valuation:
$60,000
Permit #:
133456
Status:
issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
Nonresidential bu...
Electrical permit
Sp81-05/86-29;phase 5 #13775|wash down pits (all attached together & no roofs) at concrete batch plant|(see permit #117190 for main control bldg.)|*** extension 10/17/14 lw ***|8/10/15-bob e. wants a separate permit for each bldg; fixtures & equipment were all paid on ap# 132706-minimum fees per bob-blh
Valuation:
$15,000
Permit #:
133455
Status:
issued
Fee:
N/A
Permit Type:
Accessory
Building Type:
Nonresidential bu...
Electrical permit
Sp81-05/86-29;phase 5 #13775|1- 20000 gallon water storage tank|*** extension 10/17/14 lw ***|8/10/15-bob e. wants a separate permit for each bldg; fixtures & equipment were all paid on ap# 132706-minimum fees per bob-blh
Valuation:
$80,000
Permit #:
133454
Status:
issued
Fee:
N/A
Permit Type:
Install
Building Type:
Nonresidential bu...
Electrical permit
Sp81-05/86-29;phase 5 #13775|30x50 control/storage building. at concrete batch plant|(seperate structures for storage bins conveyor/silo wash pits & water tank on seperate permits.)|*** extension 10/17/14 lw ***
Valuation:
$535,000
Permit #:
132706
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
Nonresidential bu...
Demolish ex porch replace w additon;3+1=4-1 total of 3 bed rms;addition to be
Valuation:
N/A
Permit #:
B0303058
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
2nd level to be laundry bathroom and closet
Valuation:
N/A
Permit #:
B9502752
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
B9502493
Status:
APPR
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John C Cassell License info
Verified License
| License # | 10280 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
| Business Type | Proprietor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John C Cassell at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 10280 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Proprietor |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John C Cassell at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 39606367 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Proprietor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of John C Cassell with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 39606366 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
| Business Type | Proprietor |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of John C Cassell with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-81453-3 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Proprietor |
- According to the United States Environmental Protection Agency, 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 John C Cassell at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-81453-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Proprietor |
- According to the United States Environmental Protection Agency, 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 John C Cassell at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
John C Cassell Employees
JC
John C Cassell
Owner
JC
John Cassell
RC
Robert Cassell
SH
Stephen M. Huntt
Owner