Updated: Apr 13, 2026
Location and Projects
Address
9530 FERNWOOD RD, Bethesda, MD, 20817
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Leland Yue-lin Deng HVAC/Mechanical Contractor
Leland Yue-lin Deng at 9530 FERNWOOD RD, Bethesda, MD 20817, held a HVAC/Mechanical Contractor license (#2705156321) with the Virginia contractors license board with an expiration date of 05-31-2023. We last verified the license was expired on 07-11-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 58,058 Maryland contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our bidding system to be easily matched to qualified, licensed professionals in your area.
Leland Yue-lin Deng Contact Information
Address: 9530 FERNWOOD RD, Bethesda, MD 20817
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This is a sample of this contractor's permits. Click here to access their complete permit history.
Request for mechanical permit for replacement of 3 rooftop units with new units. replacement of gas appliance(s) requires wssc approval prior to requesting city of gaithersburg final mechanical inspection. verify unit roof top screening to be in compliance with city code.
Valuation:
$32,000
Permit #:
MECH-5586-2014
Status:
Finaled
Fee:
N/A
Permit Type:
Commercial
Building Type:
N/A
Hook up kitchen hood 4 x 6 for tenant fitout for hibachi express a restaurant located in the food court previously occupied by subway. replace the range hood new kitchen equipment to include walk-in cooler and walk-in freezer prep tables 3-compartment sink and single sink grindle hot food table hand sink prep table located in the front wok and soup stove. no structural changes being m... see more
Valuation:
N/A
Permit #:
2015-04189
Status:
complete
Fee:
$150
Permit Type:
N/A
Building Type:
N/A
Single family dwelling install ductless mini split
Valuation:
N/A
Permit #:
M17000616
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
Nov single family dwelling - alterations install hvac system */* 12.24.2019 90-day extension approved through march 23 2020 *
Valuation:
N/A
Permit #:
M17000615
Status:
complete
Fee:
$219
Permit Type:
N/A
Building Type:
N/A
Request for mechanical permit for replacement of two hvac rooftop units
Valuation:
$26,000
Permit #:
MECH-8183-2015
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Single family dwelling alteration install hvac ductless dual zone
Valuation:
N/A
Permit #:
M08000373
Status:
complete
Fee:
$94
Permit Type:
N/A
Building Type:
N/A
New single family dwelling install hvacr system
Valuation:
N/A
Permit #:
M06004428
Status:
complete
Fee:
$138
Permit Type:
N/A
Building Type:
N/A
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License # 100269
Gaithersburg, MD
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Leland Yue-lin Deng License info
Inactive License
| License # | 2705156321 |
| Status | Inactive |
| State | Virginia |
| Type | Heating Ventilation And Air Conditioning (Hva) |
- 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 Leland Yue-lin Deng 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 # | 3265 |
| Status | Inactive |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- 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 Leland Yue-lin Deng at the Maryland Department of Labor, Licensing & Regulation.
This is a sample of licensing data; click here to access a complete history.
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BuildZoom Score
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- *No active license on file. If you are Leland Yue-lin Deng, click “This is My Business” to update your information.
6
Permits
- Building permit records show that Leland Yue-lin Deng has worked on 6 permitted projects.
Leland Yue-lin Deng Employees
LD
Leland Yue Lin Deng
Owner