Updated: Jun 27, 2026
Location and Projects
Address
White Plains, MD, 20695
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Joseph A Delong Electrician
Joseph A Delong, White Plains, MD (Employee: Randall Nelson Wallace) holds a Plumbers license and 3 other licenses according to the Maryland license board.
Their BuildZoom score of 92 ranks in the top 32% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Joseph A Delong, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Joseph A Delong Contact Information
Phone Number: (301) 932-3755
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Running gas piping from (4) new lp tanks to gas heaters
Valuation:
N/A
Permit #:
PLU17-0085
Status:
final
Fee:
$70
Permit Type:
Existing building...
Building Type:
N/A
Replacing 3 ton heat pump system
Valuation:
N/A
Permit #:
MEC15-0626
Status:
issued
Fee:
$164
Permit Type:
Existing building...
Building Type:
N/A
Replacing oil furnace
Valuation:
N/A
Permit #:
MEC15-0617
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Running gas piping from (4) new lp tanks to gas heaters
Valuation:
N/A
Permit #:
PLU17-0085
Status:
final
Fee:
$70
Permit Type:
Existing building...
Building Type:
N/A
Set 1 120 a/g propane tank next to and hook up to stubout
Valuation:
N/A
Permit #:
PLU15-0101
Status:
issued
Fee:
$35
Permit Type:
Existing building...
Building Type:
N/A
Installation of gas range
Valuation:
N/A
Permit #:
PLU17-0803
Status:
issued
Fee:
$50
Permit Type:
Existing building...
Building Type:
N/A
2 gas fixtures
Valuation:
N/A
Permit #:
PLU15-0564
Status:
issued
Fee:
$60
Permit Type:
Existing building...
Building Type:
N/A
Set 1 120 a/g propane tank next to and hook up to stubout
Valuation:
N/A
Permit #:
PLU15-0101
Status:
issued
Fee:
$35
Permit Type:
Existing building...
Building Type:
N/A
Replacing 3 ton heat pump system
Valuation:
N/A
Permit #:
MEC15-0626
Status:
issued
Fee:
$164
Permit Type:
Existing building...
Building Type:
N/A
Replacing oil furnace
Valuation:
N/A
Permit #:
MEC15-0617
Status:
final
Fee:
$125
Permit Type:
Existing building...
Building Type:
N/A
Gas: boiler
Valuation:
N/A
Permit #:
PLU15-0144
Status:
issued
Fee:
$35
Permit Type:
Existing building...
Building Type:
N/A
2 gas fixtures
Valuation:
N/A
Permit #:
PLU15-0564
Status:
issued
Fee:
$60
Permit Type:
Existing building...
Building Type:
N/A
Gas: boiler
Valuation:
N/A
Permit #:
PLU15-0144
Status:
issued
Fee:
$35
Permit Type:
Existing building...
Building Type:
N/A
Hanging water heaters-2 @ 225, 000 btu
Valuation:
N/A
Permit #:
PLU13-0349
Status:
issued
Fee:
$43
Permit Type:
Existing building...
Building Type:
N/A
Set (2) 120 gallon aboveground tanks on pad&trench for stub
Valuation:
N/A
Permit #:
PLU10-0067
Status:
issued
Fee:
$36
Permit Type:
Existing building...
Building Type:
N/A
Gas: 1 furnace water heater
Valuation:
N/A
Permit #:
PLU12-0814
Status:
issued
Fee:
$83
Permit Type:
Existing building...
Building Type:
N/A
Propanex 1000 gallon a/g tank pumping station
Valuation:
N/A
Permit #:
PLU09-0130
Status:
final
Fee:
$75
Permit Type:
Existing building...
Building Type:
N/A
Gas pipe size 1/2 fireplace-1 @ 30, 000 btu
Valuation:
N/A
Permit #:
PLU11-0192
Status:
final
Fee:
$30
Permit Type:
Existing building...
Building Type:
N/A
Gas pipe size 1/2 furnace-2 @ 75, 000 btu
Valuation:
N/A
Permit #:
PLU11-0576
Status:
final
Fee:
$48
Permit Type:
Existing building...
Building Type:
N/A
Gas pipe size-5/8 furnace-1 @ 80, 000 btu
Valuation:
N/A
Permit #:
PLU10-0712
Status:
issued
Fee:
$48
Permit Type:
Existing building...
Building Type:
N/A
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Verified License
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Joseph A Delong License info
Verified License
| License # | 66543 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Joseph A Delong 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 # | 12596 |
| Status | Active |
| State | Maryland |
| Type | Electricians |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Joseph A Delong 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 # | 12596 |
| 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 Joseph A Delong 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 # | CON-307 |
| Status | Inactive |
| City | Annapolis |
| Type | Plumbing Cont |
- According to the The City of Annapolis, MD, 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 Joseph A Delong at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
Insured
| Insurer | Zurich American |
24
Permits
- Building permit records show that Joseph A Delong has worked on 24 permitted projects.
Joseph A Delong Employees
JD
Joseph A Delong
Owner
RW
Randall Nelson Wallace
Owner