Updated: Jul 14, 2026
Location and Projects
Headquarters Address
7505 D CONNELLEY DR, Hanover, MD, 21076
Local address
4045 Lee Hwy, Arlington, VA, 22207
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Northern Bay Environmental Systems HVAC/Mechanical Contractor
Northern Bay Environmental Systems Inc, 4045 Lee Hwy, Arlington, VA holds a Heating Ventilation And Air Conditioning (Hva) license according to the Virginia license board.
Their BuildZoom score of 93 ranks in the top 27% of 131,387 Virginia licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Northern Bay Environmental Systems Inc, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Northern Bay Environmental Systems Inc Services
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Northern Bay Environmental Systems Inc Contact Information
Phone Number: (410) 768-8910
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Headquarters Address: 7505 D CONNELLEY DR, Hanover, MD, 21076
Local Address: 4045 Lee Hwy, Arlington, VA 22207
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Building Permits by Northern Bay Environmental Systems Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Demolish and make safe one existing console unit heater and related piping supply and install (1) 11, 300btu water source heat pump. supply and install three fours inches of condenser water piping from existing taps in mechanical room above to new 1 ton unit. supply and install (1) new auxiliary condensate drip pan and emergency pan switch. supply and install (1) new condensate drain ... see more
Valuation:
$12,000
Permit #:
MEC2014-03606
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Relocate (1) existing wall thermostat to new wall as required by new construction. relocate (1) existing ceiling mounted co sensor to new ceiling. supply and install (3) new supply diffusers. supply and install (2) new return grills. relocate (4) existing linear slot diffusers. supply and install 50 feet of 8 inches branch ductwork to feed new and relocated diffusers. supply and insta... see more
Valuation:
$9,055
Permit #:
MEC2014-03605
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Duct work. 3 exaust fans 1 honeywell termostat 11 (new)suply air diffusers 5 (new) return air registers
Valuation:
$7,400
Permit #:
M1600501
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
1 heating @ 60 mbh 1 cooling @ 5 tons ductwork b2100064 floor 1 install (1) multizone hvac system and erv as well as exhaust fan for restrooms per provided plans
Valuation:
$47,895
Permit #:
M2100436
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace mechanical equipment for new tenant/heat pump and auxliary heat pump(not geothermal)//cb
Valuation:
$66,540
Permit #:
130600164
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Relocate 1 gas fire unit heater
Valuation:
$500
Permit #:
P1600992
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install duct work and extend controls down to new walls
Valuation:
$11,800
Permit #:
M1500226
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Duct work-- new interior layout and alterations and addition of one bathroom exhaust fan per engineer plans
Valuation:
$9,975
Permit #:
M1300922
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Install hvac for new tenant layout
Valuation:
$110,000
Permit #:
172610327
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Shopping center
Install a/c/ductwork/exhaust fan for new tenant
Valuation:
$20,000
Permit #:
123330338
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
General merchandi...
Building Permit
6200 Little River Tp, Alexandria, VA
2006-11-22
Install new mechanical work/////amend to delete heat pump per appl ac3074564 (1/16/07)mm
Valuation:
$5,000
Permit #:
63260262
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Mechanical/gas commercial
3020 Hamaker Ct, FAIRFAX, VA
1997-10-29
Comm/install ductwk/diffusers/exhaust fan
Valuation:
$2,400
Permit #:
973029981
Status:
Permit Issued
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Mechanical/gas commercial
6200 Little River Tp, ALEXANDRIA, VA
2007-02-20
Replace ac/ductwork/cvac boxes//cb
Valuation:
$9,500
Permit #:
70510202
Status:
Finalized
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Install air conditioners
Valuation:
$14,000
Permit #:
83520154
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Install new ductwork
Valuation:
$1,200
Permit #:
80570237
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
Install new vav
Valuation:
$4,100
Permit #:
80570240
Status:
Finalized
Fee:
N/A
Permit Type:
N/A
Building Type:
Office building
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Verified License
BuildZoom confirmed this contractor's license
Northern Bay Environmental Systems Inc License info
Verified License
| License # | 2701036686 |
| Status | Active |
| State | Virginia |
| Type | Heating Ventilation And Air Conditioning (Hva) |
| Business Type | Corporation |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Northern Bay Environmental Systems Inc at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
13
Permits
- Building permit records show that Northern Bay Environmental Systems Inc has worked on 13 permitted projects.