Location and Projects
John W Mavis Plumber
John W Mavis, 129 Sailcloth Way, Chester, MD (Employees: John Mavis and John William Mavis) holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 3 other licenses according to the Maryland license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring John W Mavis, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
John W Mavis Services
John W Mavis Contact Information
Do you work for this business? Unlock this free profile to update company info and see who's viewing your profile.
This is a sample of this contractor's permits. Click here to access their complete permit history.
Similar Contractors See more
John W Mavis Reviews
Recent Buildzoom Projects
Hiring a contractor?
John W Mavis License info
Verified License
| License # | 3108 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John W Mavis 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 # | 7607 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for John W Mavis 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 # | 17241 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John W Mavis at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 4913 |
| Status | Inactive |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- According to the Maryland Department of Labor, Licensing & 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 John W Mavis at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.