DOHERTY PLUMBING CO., INC.

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, 50% are HVAC work.

HVAC · 2Plumbing · 2

Recent work

• Plumbing work
  March 2026 · Howard County

  NORTHROP GRUMMAN/GAS: SCOPE OF WORK ADD GAS OVEN-2 - Oven 10 is 2.5M BTUs, Prime Shop Oven is 1.5M BTU. Gas type for bo…

• Kitchen renovation
  April 2025 · Howard County

  SUITE 200/ ENTAA CARE/ CONSISTS OF ALL NEW CONSTRUCTION FOR A NEW OFFICE TENANT - INSTALLING: Kitchen sink-4, Lav-3, To…

• Gas water heater replacement 916,925,000 BTU
  April 2025 · Howard County

  NORTHROP GRUMMAN SYSTEM CORPORATION/ Eye Wash-6, sink-9, dishwasher-1, coffee-11, water dispenser-9, backflow-17, elect…

• Gas water heater replacement 65,000 BTU
  January 2025 · Howard County

  SUITE E/BURN BOOT CAMP/ INTERIOR ALTERATION TO VACANT RETAIL SPACE FOR NEW FITNESS STUDIO NEW PARTITIONS HVAC ELECTRICA…

Licensing

• Master Plumber and Gas Fitter Issued by Maryland Board of Plumbing. 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

• Howard County: 4 permits observed, from records beginning August 2021.

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 DOHERTY PLUMBING CO., INC. under Master Plumber and Gas Fitter. 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 Howard County