Updated: May 17, 2026
Location and Projects
Address
240 S POTOMAC ST, Hagerstown, MD, 21740
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3g Contractors Inc 01 27627 Construction
3g Contractors Inc 01 27627, 240 S Potomac St, Hagerstown, MD (Owned by: John Joseph Giannini) holds a Home Improvement license and 1 other license 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 3g Contractors Inc 01 27627, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
3g Contractors Inc 01 27627 Services
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3g Contractors Inc 01 27627 Contact Information
Phone Number: (202) 438-3504
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Address: 240 S POTOMAC ST, Hagerstown, MD 21740
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Building Permits by 3g Contractors Inc 01 27627
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single wide mobile home (replacement) --lot 15--
Valuation:
$85,284
Permit #:
BF-004655-2018
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Adding a fire wall between 54 and 56 from rear interior of house basement, first and second floors
Valuation:
$3,000
Permit #:
B-20190935
Status:
complete
Fee:
N/A
Permit Type:
Residential firew...
Building Type:
N/A
Replacing double wide mobile home
Valuation:
N/A
Permit #:
BF-000619-2017
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Cosmetic renovations to unoccupied dwg.for resale plumbing bathroom and kitchen fixtures being replaced; new cabinets in kitchen. new drywall in existing finished basement. will replace sliding glass door with a window at the eat in area of kitchen. deck railings to be replaced
Valuation:
$25,000
Permit #:
134713
Status:
Permit Issued
Fee:
$135
Permit Type:
Alteration
Building Type:
Single family dwe...
Mobile home replacement-single wide in park-#14
Valuation:
$16,000
Permit #:
BF-016339-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replacement-double wide mobile w/basemnt
Valuation:
$65,000
Permit #:
2013296B0040
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replacement double wide mobile home in park-clayton 2016
Valuation:
$15,000
Permit #:
BF-007378-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Demolition of single wide mobile home
Valuation:
$0
Permit #:
BF-000620-2017
Status:
Issued
Fee:
N/A
Permit Type:
Demolition/Removal
Building Type:
N/A
Replacement mobile home in park-clayton 2016
Valuation:
$15,000
Permit #:
BF-007380-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Mobile home install
Valuation:
$13,000
Permit #:
BF-004664-2017
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replacement single wide mobile-lot 610
Valuation:
$10,000
Permit #:
BF-004814-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replacement - double wide mobile home
Valuation:
$15,000
Permit #:
BF-007372-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replace single wide mobile-lot 603
Valuation:
$10,000
Permit #:
BF-004816-2016
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replace single wide mobile home
Valuation:
N/A
Permit #:
BF-000673-2015
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Replace single wide mobile home
Valuation:
N/A
Permit #:
EF-002941-2015
Status:
issued
Fee:
N/A
Permit Type:
Mobile home install
Building Type:
N/A
Mobile home replacement-single wide in park
Valuation:
$16,000
Permit #:
BF-016339-2016
Status:
Issued
Fee:
N/A
Permit Type:
Mobile Home Install
Building Type:
N/A
Tower road (1829) tower road (1829)
Valuation:
N/A
Permit #:
GRA-84071
Status:
final
Fee:
N/A
Permit Type:
Standard plan
Building Type:
N/A
Demolition of single wide mobile home
Valuation:
N/A
Permit #:
BF-000620-2017
Status:
expired
Fee:
N/A
Permit Type:
Demolition/removal
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
3g Contractors Inc 01 27627 License info
Verified License
| License # | 27627 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for 3g Contractors Inc 01 27627 at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 410518000413 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Gen Contr Construction Mngr |
- According to the Department of Consumer and Regulatory Affairs, 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 3g Contractors Inc 01 27627 at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
91
BuildZoom Score
14
Permits
- Building permit records show that 3g Contractors Inc 01 27627 has worked on 14 permitted projects.
3g Contractors Inc 01 27627 Employees
JG
John Joseph Giannini
Owner