NORTHERN BAY ENVIRONMENTAL SYS

Permits are pulled before work begins and then inspected by the county. A contractor who files them is working inside a system with an inspector in it, which is what unpermitted work avoids.

What the permits show

Of the permits we observed, 100% are HVAC work.

HVAC · 7

Each county's permit system holds only their own records, so the combined view above exists nowhere else.

Recent work

• Permit filed
  August 2026 · Prince George's County

  Provide labor and material to demolish one retrun grill and relocate one supply grill as shown on the provided plans. P…

• HVAC work
  July 2026 · Anne Arundel County

  Insatall HVAC System as shown on plans for Quiet Waters Park Fire Pump Bldng. Onew Wall Fan, Two Control Dampers, One e…

• HVAC install
  July 2026 · Anne Arundel County

  Install HVAC systems per provided plans in Visitors Center at Quiet Waters Park (2) replacement Split System One 10 and…

Licensing

• Maryland HVACR Contractor Issued by Maryland Board of Heating, Ventilation, Air Conditioning and Refrigeration. Verify

Towns we observed them working in

We hold permit records for Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Frederick County, Howard County, Prince George's County, and Washington DC. Work anywhere else is not missing from this contractor's record, it is outside what we cover.

What this page is, and is not

• Anne Arundel County: 7 permits observed, from records beginning December 2025.
• Prince George's County: 1 permits observed, from records beginning August 2026.

This page shows permits we observed in county records. Our observation is not complete: work done before those dates, in counties we do not cover, or on filings that name no contractor does not appear here. A contractor's real work is almost always greater than what we observed, and absence of a permit on this page does not mean the work was not done or not permitted. We currently hold records for Anne Arundel County, Baltimore City, Baltimore County, Carroll County, Frederick County, Howard County, Prince George's County, and Washington DC; see permit coverage for what that includes.

Common questions

Does a permit record mean this contractor is licensed?

County permit records list NORTHERN BAY ENVIRONMENTAL SYS under Maryland HVACR Contractor. Check current standing with the issuing body before hiring.

Why do some contractors show more permits than others?

Counties began publishing at different times and describe contractors differently, so the number reflects what we observed as much as what the contractor did. It is not a ranking.

What should I still ask for?

Proof of insurance, a written contract, and the license number for the trade being performed. A permit record is a starting point, not a substitute for either.

Other HVAC contractors in Anne Arundel County