THARCO INCORPORATED

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, 59% are plumbing work.

Plumbing 69

Gas 20

HVAC 20

Fire Protection 7

Pool & Spa 1

Typical job observed: 240,000 BTU.

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

Recent work

• Plumbing addition 450,000 BTU
  August 2026 · Howard County

  STE B/ Air test existing gas line to reinstall gas meter (3) existing unit heaters for new gas meter. 450,000 BTU's. **…

• Furnace install 360,000 BTU
  August 2026 · Howard County

  Marshall Goldman/ Install 1 kitchen sink, 1 dishwasher, 1 disposal, 1 ice maker. Connect gas lines to existing for new …

• Gas work 440,000 BTU
  August 2026 · Anne Arundel County

  Suite C Air test an existing 2" black gas line from 2 existing HVAC rooftops in an unoccupied area for a new meter by B…

• Kitchen renovation
  August 2026 · Howard County

  Talbott Springs Community Center/ Install 2 lavatories, 2 water closets, 1 kitchen sink, 1 mop sink, 1 drinking fountai…

• Gas install 200,000 BTU
  August 2026 · Anne Arundel County

  STE 8. Install 3/4" black natural 2lb gas line across roof to a new unit heater. Total gas load 200,000 BTU's.

• Plumbing install
  July 2026 · Howard County

  STE G-H, RMS Energy. Remove 2 existing lavatories and reinstall for ADA requirements.

• Permit filed
  July 2026 · Anne Arundel County

  Install water/sewer connection cc's paid on BP

• Gas install 785,000 BTU
  July 2026 · Anne Arundel County

  Installation of 1" black natural 2lb gas line for 2 new HVAC rooftop units and 1" valved and capped connection for futu…

• Permit filed
  July 2026 · Anne Arundel County

  Connect to public water/sewer ; oversize meter; cc's paid on BP; pwa21014x, pwa19025x

• Gas install 556,000 BTU
  July 2026 · Anne Arundel County

  STE Q-S, Acxion. Install 1" 2lb natural gas line to range, oven, fryer, charbroiler grill, and griddle. Total gas load …

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.

Permits by year

Our records for this contractor's counties begin August 2021. Years before that are not shown because we hold nothing for them, not because nothing happened.

What this page is, and is not

• Howard County: 71 permits observed, from records beginning August 2021.
• Anne Arundel County: 48 permits observed, from records beginning December 2025.

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 THARCO INCORPORATED 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 Plumbing contractors in Howard County