Updated: Jul 08, 2026
Location and Projects
Address
7307 BALTIMORE AVENUE - STE 211, College Park, MD, 20740
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American Master Construction Plumber
American Master Construction LLC, 7307 Baltimore Ave, College Park, MD (Owned by: Robert Edwin Timbers) holds a Renovation license and 6 other licenses according to the Environmental Protection Agency license board.
Their BuildZoom score of 104 ranks in the top 9% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring American Master Construction LLC, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
American Master Construction LLC Services
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American Master Construction LLC Contact Information
Phone Number: (301) 699-0711
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Address: 7307 BALTIMORE AVENUE - STE 211, College Park, MD 20740
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Building Permits by American Master Construction LLC
This is a sample of this contractor's permits. Click here to access their complete permit history.
Gas test - fire/damage related gas test
Valuation:
N/A
Permit #:
SFP-1524406-2025
Status:
final
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)/sewer lateral - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1488391-2024
Status:
final
Fee:
$160
Permit Type:
N/A
Building Type:
N/A
Water service - replaced (residential only)
Valuation:
N/A
Permit #:
SFP-1438518-2023
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Water service - cap-off/sewer lateral - cap-off
Valuation:
N/A
Permit #:
SFP-1417914-2022
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
PFG-1548404-2025
Status:
issued
Fee:
$475
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
$0
Permit #:
PFG-1547216-2025
Status:
issued
Fee:
$315
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1543157-2025
Status:
issued
Fee:
$635
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1541204-2025
Status:
final
Fee:
$950
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1537415-2025
Status:
final
Fee:
$390
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1532690-2025
Status:
final
Fee:
$390
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1528043-2025
Status:
final
Fee:
$475
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1527062-2025
Status:
issued
Fee:
$3,825
Permit Type:
N/A
Building Type:
N/A
No Description Available
Valuation:
N/A
Permit #:
PFG-1521596-2025
Status:
final
Fee:
$430
Permit Type:
N/A
Building Type:
N/A
Plumbing - other (add note to comments)
Valuation:
N/A
Permit #:
SFP-1438195-2023
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
[none] - 7219 rollingwood dr
Valuation:
$6
Permit #:
PFG-1428654-2023
Status:
final
Fee:
$575
Permit Type:
N/A
Building Type:
N/A
Consultation/courtesy inspection
Valuation:
N/A
Permit #:
SFP-1423252-2023
Status:
final
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
17 - (nr) - remodeling/additional work/tenant space
2023-05-26
[none] - 7926 georgia ave
Valuation:
$1
Permit #:
PFG-1436093-2023
Status:
plancheck
Fee:
$0
Permit Type:
N/A
Building Type:
N/A
Gas test - test requiring tag/gas water heater/gas cooking appliance
Valuation:
N/A
Permit #:
SFP-1450564-2023
Status:
final
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
[none] - 900 4th st
Valuation:
$13
Permit #:
PFG-1436995-2023
Status:
final
Fee:
$1,325
Permit Type:
N/A
Building Type:
N/A
[none] - 352 main st
Valuation:
$29
Permit #:
PFG-1417985-2022
Status:
final
Fee:
$2,980
Permit Type:
N/A
Building Type:
N/A
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BZ Score
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Verified License
BuildZoom confirmed this contractor's license
American Master Construction LLC License info
License Not Verified
| License # | NAT-23187-3 |
| Status | Active |
| Nation | Environmental Protection Agency |
| Type | Renovation |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of July, 2026. Check the current license status of American Master Construction LLC with the United States Environmental Protection Agency
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 18386 |
| Status | Active |
| State | Maryland |
| Type | Home Improvement |
| Business Type | Llc |
- BuildZoom verified this license was active as of April 2026.
Verify this license's status for American Master Construction LLC 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 # | 420316000147 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Salesman |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of American Master Construction LLC with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 420216000047 |
| Status | Active |
| City | District Of Columbia |
| Type | Home Improvement Contractor |
| Business Type | Llc |
- When BuildZoom last verified this license, it had an expiration date of December, 2023. Check the current license status of American Master Construction LLC with the Department of Consumer and Regulatory Affairs
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | 2701025679 |
| Status | Active |
| State | Virginia |
| Type | Commercial Improvement (Cic), Home Improvement (Hic) |
| Business Type | Llc |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for American Master Construction LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-23187-2 |
| 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 American Master Construction 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 # | 2705092011 |
| Status | Inactive |
| State | Virginia |
| Type | Commercial Improvement (Cic), Home Improvement (Hic) |
| Business Type | Llc |
- According to the Virginia Department of Professional and Occupational 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 American Master Construction LLC at the Virginia Department of Professional and Occupational Regulation.
This is a sample of licensing data; click here to access a complete history.
104
BuildZoom Score
313
Permits
- Building permit records show that American Master Construction LLC has worked on 313 permitted projects.
American Master Construction LLC Employees
RT
Robert Edwin Timbers
Owner
RT
Robert Timbers