Updated: Apr 20, 2026
Location and Projects
Address
11411 OLD POND DRIVE, Glenn Dale, MD, 20769
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Mark Sampson Plumber
Mark Sampson, 11411 Old Pond Dr, Glenn Dale, MD (Employee: James Robert Frock) holds a Plumbers license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 91 ranks in the top 37% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark Sampson, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Mark Sampson Services
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Mark Sampson Contact Information
Phone Number: (717) 359-7033
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Address: 11411 OLD POND DRIVE, Glenn Dale, MD 20769
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Room 307/residence inn - marriott addition 1 smoke detector 2 chime/strobes in room 307 4438961120 b11003525
Valuation:
$0
Permit #:
E12002061
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Jfc international install 4 fire alarm devices 4438961120
Valuation:
$0
Permit #:
E12006229
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Ste 100 connections education install 36 fire alarm devices 4438961120 b12000091
Valuation:
$0
Permit #:
E12000675
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Ste. 201 d.o.d install 31 fire alarm devices 4438961120 b11001960
Valuation:
$0
Permit #:
E11003516
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Oairis theraputics install fire alarm device 4438961120 b08000510
Valuation:
$0
Permit #:
E11003837
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Upgrade existing fire alarm system install 305 fire alarm devices 4438961120 b10002337
Valuation:
$0
Permit #:
E10003665
Status:
Completed
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
Sun belle install 68 fire alarm devices 4438961120 b11002114
Valuation:
$0
Permit #:
E11003835
Status:
Completed
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Install 20 fire alarm devices 4438961120
Valuation:
$0
Permit #:
E12001979
Status:
Completed
Fee:
$72
Permit Type:
Alteration
Building Type:
Office Building
Install 15 fire alarm devices 4438961120
Valuation:
$0
Permit #:
E11003258
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Pandora/suite a/install 16 fire alarm devices 4438961120 b11000719
Valuation:
$0
Permit #:
E11002874
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Saic install 10 fire alarm devices 4438961120 b10002858
Valuation:
$0
Permit #:
E11000654
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Install 52 fire alrm devices 4438961120
Valuation:
$0
Permit #:
E11000655
Status:
Completed
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Room 307/residence inn - marriott addition 1 smoke detector 2 chime/strobes in room 307 4438961120 b11003525
Valuation:
N/A
Permit #:
E12002061
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Upgrade existing fire alarm system install 305 fire alarm devices 4438961120 b10002337
Valuation:
N/A
Permit #:
E10003665
Status:
complete
Fee:
$133
Permit Type:
N/A
Building Type:
N/A
Install 14 fire alarm devices
Valuation:
$0
Permit #:
E09000112
Status:
Completed
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Ste. 201 d.o.d install 31 fire alarm devices 4438961120 b11001960
Valuation:
N/A
Permit #:
E11003516
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Pandora/suite a/install 16 fire alarm devices 4438961120 b11000719
Valuation:
N/A
Permit #:
E11002874
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Oairis theraputics install fire alarm device 4438961120 b08000510
Valuation:
N/A
Permit #:
E11003837
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
Sun belle install 68 fire alarm devices 4438961120 b11002114
Valuation:
N/A
Permit #:
E11003835
Status:
complete
Fee:
$78
Permit Type:
N/A
Building Type:
N/A
Marforcyber/suite 201/install 20 fire alarm devices 4438961120
Valuation:
N/A
Permit #:
E12001979
Status:
complete
Fee:
$72
Permit Type:
N/A
Building Type:
N/A
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120
BZ Score
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Avg Project
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Projects
120
BZ Score
$1.5K
Avg Project
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Projects
120
BZ Score
$1.5K
Avg Project
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Projects
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Verified License
BuildZoom confirmed this contractor's license
Mark Sampson License info
Verified License
| License # | 8472 |
| Status | Active |
| State | Maryland |
| Type | Plumbers |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for Mark Sampson at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 8472 |
| Status | Active |
| State | Pennsylvania |
| Type | Contractor |
- When BuildZoom last verified this license, it had an expiration date of May, 2015. Check the current license status of Mark Sampson with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 8472 |
| Status | Inactive |
| State | Maryland |
| Type | Home Improvement |
- According to the Maryland Department of Labor, Licensing & Regulation, 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 Mark Sampson at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
19
Permits
- Building permit records show that Mark Sampson has worked on 19 permitted projects.
Mark Sampson Employees
JF
James Robert Frock
Owner
MS
Mark Sampson
Owner