Updated: Jun 13, 2026
Location and Projects
Headquarters Address
Felton, DE, 19943
Local address
10111 MARTIN LUTHER KING JR HWY, Bowie, MD, 20720
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John P. Long Architect
John P. Long, 10111 Martin Luther King Jr Hwy, Bowie, MD (Employee: John William Long Jr) holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 95 ranks in the top 22% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring John P. Long, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
John P. Long Services
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John P. Long Contact Information
Headquarters Address: Felton, DE, 19943
Local Address: 10111 MARTIN LUTHER KING JR HWY, Bowie, MD 20720
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Wiring for a new septic tank
Valuation:
N/A
Permit #:
E-2430348
Status:
complete
Fee:
$100
Permit Type:
Ipelectric
Building Type:
N/A
Electrical wiring for renovation<div>
Valuation:
N/A
Permit #:
E-2431087
Status:
complete
Fee:
$460
Permit Type:
Ipelectric
Building Type:
N/A
Replace existing 200amp electrical panel. upgrade grounding system
Valuation:
N/A
Permit #:
E02396747
Status:
expired
Fee:
$110
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
John P. Long License info
Verified License
| License # | 20706 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for John P. Long 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 # | 20706 |
| Status | Active |
| State | Maryland |
| Type | Architects |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for John P. Long 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 # | 9724 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for John P. Long at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
John P. Long Employees
JL
John P. Long
Owner
JJ
John William Long Jr
Owner