Updated: May 17, 2026
Location and Projects
Address
18956 BONANZA WAY, Gaithersburg, MD, 20879
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Mark B Goldsborough Construction
Mark B Goldsborough LLC, 18956 Bonanza Way, Gaithersburg, MD (Employees: Mark B Goldsborough Llc and Mark Goldborough) holds a Home Improvement Contractor license and 9 other licenses according to the District of Columbia license board.
Their BuildZoom score of 95 ranks in the top 22% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Mark B Goldsborough LLC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Mark B Goldsborough LLC Services
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Mark B Goldsborough LLC Contact Information
Phone Number: (301) 721-1900
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Address: 18956 BONANZA WAY, Gaithersburg, MD 20879
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Building Permits by Mark B Goldsborough LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Single family dwelling construct 12 x 7 front porch
Valuation:
N/A
Permit #:
B23003880
Status:
complete
Fee:
$42
Permit Type:
N/A
Building Type:
N/A
Residential building uses permit
Interior alteration to include ex kitchen & master bathroom renovations; widen wall opening not load bearing|revision 12/04/2017 (blh) revised permit to delete bathroom renovation; will only be doing kitchen renovation now
Valuation:
$80,000
Permit #:
166780
Status:
issued
Fee:
N/A
Permit Type:
Alteration
Building Type:
Single family dwe...
No Description Available
Valuation:
N/A
Permit #:
PFG-1181516-2017
Status:
final
Fee:
N/A
Permit Type:
Additional fixtur...
Building Type:
N/A
Residential interior alteration single family dwelling permit
2016-09-22
Single family dwelling remodel existing kitchen approximately 765 sq ft
Valuation:
N/A
Permit #:
B16004148
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Residential addition single family dwelling permit
2011-02-16
Sfd/approx. 39 sq. ft. dining room side bump out on columns
Valuation:
N/A
Permit #:
B11000420
Status:
complete
Fee:
$33
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
FC-1182234-2017
Status:
issued
Fee:
N/A
Permit Type:
Fixture credit
Building Type:
N/A
Replace htg
Valuation:
$0
Permit #:
MEC2006-11697
Status:
Voided
Fee:
$47
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
FC-1182049-2017
Status:
canceled
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Replace windows change siding interior clean up and upgrades/renovation. replace deck surface only
Valuation:
$60,585
Permit #:
BRI-23231-2020
Status:
expired
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
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Mark B Goldsborough LLC Reviews
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Recent Buildzoom Projects
Verified License
BuildZoom confirmed this contractor's license
Mark B Goldsborough LLC License info
Verified License
| License # | 420223000037 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
| Business Type | Llc |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark B Goldsborough LLC at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 420323000099 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Llc |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark B Goldsborough LLC at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | NAT-106478-3 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Llc |
- BuildZoom verified this license was active as of January 2026.
Verify this license's status for Mark B Goldsborough LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 33913 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Llc |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark B Goldsborough LLC at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2705071702 |
| Status | Active |
| State | Virginia |
| Type | Residential Building (Rbc), Commercial Building (Cbc) |
| Business Type | Llc |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for Mark B Goldsborough LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 33913 |
| Status | Active |
| State | Pennsylvania |
| Type | Contractor |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Mark B Goldsborough LLC with the Pennsylvania Office of the Attorney General
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 121409 |
| Status | Active |
| State | Maryland |
| Type | Contractor (Corppart) Home Improvement |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of July, 2016. Check the current license status of Mark B Goldsborough LLC with 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-106478-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Llc |
- 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 Mark B Goldsborough LLC at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 53001705 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Llc |
- 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 Mark B Goldsborough LLC at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | 53001703 |
| Status | Inactive |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
| Business Type | Llc |
- 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 Mark B Goldsborough LLC at the Department of Consumer and Regulatory Affairs.
This is a sample of licensing data; click here to access a complete history.
95
BuildZoom Score
6
Permits
- Building permit records show that Mark B Goldsborough LLC has worked on 6 permitted projects.
Mark B Goldsborough LLC Employees
MG
Mark B Goldsborough
Owner
ML
Mark B Goldsborough Llc
Owner
MG
Mark Goldborough