Updated: May 15, 2026
Location and Projects
Address
6 GEORGE STREET, Gaithersburg, MD, 20877
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Mc Design Build Construction
Mc Design Build LLC, 6 George St, Gaithersburg, MD (Owned by: Michael Cavanaugh) holds a Home Improvement license and 1 other license according to the Maryland license board.
Their BuildZoom score of 93 ranks in the top 27% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mc Design Build LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mc Design Build LLC Services
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Mc Design Build LLC Contact Information
Phone Number: (301) 527-0700
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Address: 6 GEORGE STREET, Gaithersburg, MD 20877
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Electrical work as described in building permit #bri-1796-2012, family room and dining room only.
Valuation:
$0
Permit #:
ELEC-4696-2013
Status:
Finaled
Fee:
N/A
Permit Type:
(R) Add/Alt - No ...
Building Type:
N/A
Request for electrical permit to new 1 sump pump outlet 1 exterior wall light & 1 new exterior flood light
Valuation:
$1,000
Permit #:
ELEC-5263-2014
Status:
final
Fee:
N/A
Permit Type:
(r) add/alt - no ...
Building Type:
N/A
Construct 576 sq.ft. garage in rear of property
Valuation:
$75,000
Permit #:
GARG-8497-2015
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Construct a one story side yard addition screened porch addition and garage addition
Valuation:
$100,000
Permit #:
BRI-1796-2012
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
New side yard basement areaway and stairs
Valuation:
$10,000
Permit #:
BRI-4584-2013
Status:
final
Fee:
N/A
Permit Type:
Basement egress
Building Type:
N/A
Request to remove two trees per plat
Valuation:
$0
Permit #:
TREE-3224-2013
Status:
Finaled
Fee:
N/A
Permit Type:
Tree Removal
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Mc Design Build LLC License info
Verified License
| License # | 76722 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mc Design Build LLC 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 # | NAT-F118997-1 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, 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 Mc Design Build LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Mc Design Build LLC Employees
MC
Michael Cavanaugh
Owner