Updated: Jul 06, 2026
Location and Projects
Address
1 Research Ct, Rockville, MD, 20850
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Global Network Systems of Maryland Plumber
Global Network Systems of Maryland Inc at 1 Research Ct, Rockville, MD 20850, held a Plumber license (#1994104705) with the New Castle County contractors license board with an expiration date of 12-31-2025. We last verified the license was expired on 07-05-2026.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 58,058 Maryland contractors.
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Global Network Systems of Maryland Inc Contact Information
Phone Number: (410) 327-4750
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Address: 1 Research Ct, Rockville, MD 20850
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Global Network Systems of Maryland Inc Rockville
Quality
Alert*
Pro tip:
We generally recommend hiring a contractor with a score higher than 95.
*No active license on file. If you are Global Network Systems of Maryland Inc, click “This is My Business” to update your information.
Activity
|
6 projects
|
2025 |
|
6 projects
|
2024 |
|
6 projects
|
2023 |
Our building permit records indicate that Global Network Systems of Maryland Inc has worked on at least
18.0 projects over the past 3 years.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
This is an overview of this contractor's activity. Click here to access our complete licensing and building permit database.
Experience
|
12 projects
|
Plumbing projects |
Analyzing permits over the last 4 years shows that Global Network Systems of Maryland Inc mostly works on
plumbing project
projects.
Pricing
|
1 project
|
$250k-$500k |
|
1 project
|
$500k-$1mil |
Pro tip:
For more details about their pricing, check out their recent activity to see how much they have charged for different types of work.
Building Permits by Global Network Systems of Maryland Inc
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install two 2700mbh heating water boilers two heating water pumps one exhaust fan one heating water unit heater and related heating water piping
Valuation:
$800,000
Permit #:
M02226838
Status:
filed
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Replace two existing boilers flue and piping connections in boiler room at severn elementary school
Valuation:
$900,000
Permit #:
B02434511
Status:
canceled
Fee:
$129
Permit Type:
N/A
Building Type:
N/A
Old bushy park elementry school/switching building over from liquid propane & oil to natural gas location mechanical room right side of building 1st floor installing a water heater (199 000) and (2) future tees for boiler conversions (1 043 400 each) and (1) future connection for generator conversion (463 000) - bge w.o. #18591966 ***dow amended for clarifications 02/06/25 jei***
Valuation:
N/A
Permit #:
P25000341
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 24 jhuapl 24-w360/cut and cap existing 3/4 domestic water lines. install one condensate pump and approximately 25 of 1 air conditioning condensate piping connected to 4 existing storm water line
Valuation:
N/A
Permit #:
P25001190
Status:
issued
Fee:
$105
Permit Type:
N/A
Building Type:
N/A
Jhuapl building 12 the project involves furnishing and installing a pre-fabricated steel safety access platform system around an existing test tank. the access safety platform will require fire suppression system and plumbing connections to existing infrastructure in the high bay area
Valuation:
N/A
Permit #:
B25000655
Status:
complete
Fee:
$220
Permit Type:
N/A
Building Type:
N/A
Building 201/room 434 4th floor jhu-apl/install approximately 100 of 3/4 and 1/2 copper domestic water piping to 3 fume hoods and 1-lab sink. install approximately 100 of 1-1/2 sanitary and vent piping 3 fume hood cup sinks and 1-lab sink
Valuation:
N/A
Permit #:
P25003561
Status:
complete
Fee:
$122
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2025-06-16
Running brook elementary school the addition of 3 single stall toilet rooms for each of the classrooms supporting the als program (3) wall hung lavatories (3) floor mounted water closets
Valuation:
N/A
Permit #:
P25002468
Status:
complete
Fee:
$50
Permit Type:
N/A
Building Type:
N/A
Mp5-e143 jhu apl alterations to include: aos are relocating an existing network from mp6 to mp5. there will be new electric equipment installed to support the network load. a new air-conditioning unit will be installed to accommodate the heat load from the data racks. there will be a relocation of entry point to the space
Valuation:
N/A
Permit #:
B24000975
Status:
complete
Fee:
$382
Permit Type:
N/A
Building Type:
N/A
Jhu apl mp1-s152/install approximately 60 of 1 air conditioning condensate piping and tie into existing storm water riser. all work will be on the first-floor level *** total units/fixtures = 5. cd for remote terminal unit 1 thru 5. 03/22/24, jei***
Valuation:
N/A
Permit #:
P24001105
Status:
complete
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Building 13-s296 & 296a/jhu-apl/install 60 of 6 and 140 of 4 sanitary waste piping in first floor. install 80 of 2 and 100 for 3/4 domestic water piping on first & second floor. install 100 - 1-1/2 condensate piping on first floor. install one 1-1/2 zurn 975xl3 backflow preventer on first floor. install eight 4 floor drains on second floor. install two combination eye wash/emergency s... see more
Valuation:
N/A
Permit #:
P24000551
Status:
complete
Fee:
$210
Permit Type:
N/A
Building Type:
N/A
Building 200/room w205/install 10 of 2 sanitary piping 30 of 1-1/2 sanitary vent piping and 60 of domestic water piping. install 1 - mixing valve and 1 - recessed valve box. install 1 - sink 1 - water purification system and 1 - eye wash for room w205 on the second floor
Valuation:
N/A
Permit #:
P24000370
Status:
complete
Fee:
$127
Permit Type:
N/A
Building Type:
N/A
Building 20/jhu-apl/installing one 1 onicon gas sub-meter on existing gas piping located on the first floor installing one 2-1/2 onicon gas sub-meter on existing gas piping located on the first floor installing one 2-1/2 onicon gas sub-meter on existing gas piping located on the first floor
Valuation:
N/A
Permit #:
P24000210
Status:
complete
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Building #1 install (3) 1 private sub-meters on existing gas piping on the first floor
Valuation:
N/A
Permit #:
P24000172
Status:
complete
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Building 1 jhuapl pmweb at basement level in building #1 install 5 of 3 sanitary piping to floor sink. install 35 of 2 vent piping and 60 of 1/2 domestic water piping. install (1) - 1/2 (nt) dual check valve 1 - mixing valve 1 floor sink and 1 trap priming station
Valuation:
N/A
Permit #:
P24003378
Status:
complete
Fee:
$116
Permit Type:
N/A
Building Type:
N/A
Building rp1 suite a/jhu-apl/furnish and install 39 new plumbing fixtures and related domestic water sanitary and vent piping. furnish and install 5- 1 zurn model 975x625 backflow preventors. furnish and install 1 - 2 gas piping to 1-water heater 5- rooftop units and 3 steam generators. fixtures - all fixtures are on the 1st floor. 6-showers 15-lavatories 1-mop sink 3-floor sinks 5-fl... see more
Valuation:
N/A
Permit #:
P23004928
Status:
complete
Fee:
$1,129
Permit Type:
N/A
Building Type:
N/A
Renovate plumbing in existing 4 story building. install approximately 76 new fixtures and related piping throughout the building. also install 260 of below grade sanitary 1200 of above grade sanitary piping and 550 of domestic water above grade piping. relocate approximately 200 of 2 existing gas piping. fixtures: 1st floor. 1-drinking fountain/bottle filler 3-ice makers 5-lavs 2-inst... see more
Valuation:
N/A
Permit #:
P23004863
Status:
complete
Fee:
$518
Permit Type:
N/A
Building Type:
N/A
Hcpss diagnostic center install modular for portable classroom install plumbing works underneath portable classroom - 3-urinals 11-lavs 11-water closets 1-laundry tray 2-drinking fountains 1-electrical water heater 1-ames 2000ss 4 fire protection
Valuation:
N/A
Permit #:
P23002668
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Building 12-s228 jhu apl alterations to include: renewal of an existing laboratory space: new 15 ton chilled water supplemental air conditioning unit replacing existing and new power for equipment
Valuation:
N/A
Permit #:
B24000653
Status:
expired
Fee:
$525
Permit Type:
N/A
Building Type:
N/A
Commercial plumbing addition alteration permit
2022-03-07
Howard county board of education - applications and research lab: replace and install gas and plumbing fixtures: 1 - zurn 975 xl 25 backflow preventer (domestic water for the water heaters) gas: 5 - water heaters 10 - boilers bge wo # 17399106 **amend permit to include 2 new gas meters**08-18-22 **amend to addition 5 back flow preventers** 11/16/2022
Valuation:
N/A
Permit #:
P22000888
Status:
complete
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Jhu apl 12-n344 install 2-lab sinks 2-eye-wash fixtures 1-emergency shower 4-cups sinks (in fume hood) 2 non-testable 3/4 model 1024 bfpd and related domestic water and waste piping. this work is in building 12 on the third-floor room n-344
Valuation:
N/A
Permit #:
P24000730
Status:
complete
Fee:
$193
Permit Type:
N/A
Building Type:
N/A
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Global Network Systems of Maryland Inc License info
Inactive License
| License # | 1994104705 |
| Status | Inactive |
| State | New Castle County |
| Type | Non Resident Contractor |
- According to the State of Delaware Department of Finance: Division of Revenue, 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 Global Network Systems of Maryland Inc at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Global Network Systems of Maryland Inc, click “This is My Business” to update your information.
80
Permits
- Building permit records show that Global Network Systems of Maryland Inc has worked on 80 permitted projects.
Global Network Systems of Maryland Inc Employees
SS
Steve Sharp
Owner