Updated: Feb 27, 2026
Location and Projects
Address
9007 CLINTON STREET, Clinton, MD, 20735
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William Harry Metcalfe HVAC/Mechanical Contractor
William Harry Metcalfe, 9007 Clinton St, Clinton, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 1 other license according to the Maryland license board.
Their BuildZoom score of 92 ranks in the top 32% of 58,058 Maryland licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William Harry Metcalfe, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
William Harry Metcalfe Contact Information
Phone Number: (301) 868-6330
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Address: 9007 CLINTON STREET, Clinton, MD 20735
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Building Permits by William Harry Metcalfe
This is a sample of this contractor's permits. Click here to access their complete permit history.
Install gas furnace & heat pump-single family dwelling w/2-car garage / unfinished basement / front porch: 14x6 / rear covered porch: 21x8 / rear screened porch: 14x14
Valuation:
$500,000
Permit #:
MR-007515-2018
Status:
complete
Fee:
$165
Permit Type:
N/A
Building Type:
N/A
Installing a new 31.4 btus 10kw 2.5 ton hvac system with ductwork for two story single family dwelling. freedom hill section c-1 lot 154
Valuation:
N/A
Permit #:
2021-00536
Status:
complete
Fee:
$135
Permit Type:
N/A
Building Type:
N/A
Installing a 15kw 47.1 btus 2 ton hvac system with ductwork for one story single family dwelling. freedom hills section c-1 lot 147
Valuation:
N/A
Permit #:
2021-00540
Status:
complete
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
New hvac and ductwork 1 zone 80, 000 btu's/3.5 ton for a 1560 sq ft one story single family dwelling freedom hills section b lot 65
Valuation:
N/A
Permit #:
2021-00022
Status:
complete
Fee:
$132
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 3zones 1st 60.btu/3.0ton 2nd 70.btu/3.0ton 3rd 8kw 25.1btu/1.5ton
Valuation:
N/A
Permit #:
M02201595
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Install hvac (2 zone) and ductwork single family dwelling with 3 car garage/partial finished basement/covered and open decks
Valuation:
$575,000
Permit #:
MR-005617-2018
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 2zones 1st 60.btu/3.0ton 2nd 10kw 32.4btu/2.0ton
Valuation:
N/A
Permit #:
M02201720
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 2zones 1st 80.btu/3.0ton 2nd 10kw 32.4btu/2.5ton
Valuation:
N/A
Permit #:
M02201718
Status:
issued
Fee:
$95
Permit Type:
New
Building Type:
Single family dwe...
Addition heating and air conditioning new hvac and ductwork 2zones 1st 60.btu/3.0ton 2nd 10kw 32.4kw 2.5ton
Valuation:
N/A
Permit #:
M02202072
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 2zones 1st 40.btu/2.5ton 2nd 8kw 23.8btu/2.0ton
Valuation:
N/A
Permit #:
M02201719
Status:
issued
Fee:
$95
Permit Type:
New
Building Type:
Single family dwe...
Addition heating and air conditioning hvac and ductwork 2zones 1st 80.btu/3.0ton 2nd 10k w 32.4btu/2.5ton
Valuation:
N/A
Permit #:
M02201717
Status:
issued
Fee:
$95
Permit Type:
New
Building Type:
Single family dwe...
Single family dwelling w/3-car garage / unfinished basement / front porch: 12x5 / side porch: 4x7
Valuation:
$600,000
Permit #:
MR-006062-2018
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Addition heating and air conditioning hvac ductwork 3zones 1st 40, btu/2.0ton 2nd 10kw 32.4btu/2.0ton 3rd8kw/23.5btu/1.5 *rv2/10/20*nmn
Valuation:
N/A
Permit #:
M02195859
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 3zones 1st 60.btu/2.5ton 2nd 10kw 32.4btu/2.5ton 3rd 8kw 23.8btu/1.5ton
Valuation:
N/A
Permit #:
M02200485
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 3zones 80.btu/3.5ton 2nd 15k w 48.6btu/3.0ton 3rd 08kw 23.8btu/1.5ton
Valuation:
N/A
Permit #:
M02200335
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning hvac and ductwork 2zones 1st 14.4kw 49, 1btu/3.0ton 2nd 14.4kw 49, 1btu/3.0ton *rv3/20/20*nmn
Valuation:
N/A
Permit #:
M02196243
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Hvac (2 systems) single family dwelling with 3 car garage/deck/unfinished basement
Valuation:
$400,000
Permit #:
MR-003087-2018
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
N/A
Addition heating and air conditioning hvac and ductwork 3zones 1st 80.btu/3.5 2nd 15kw 4 8.6btu/3.0ton 3rd 8kw 23.8btu/1.5ton
Valuation:
N/A
Permit #:
M02199156
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
New hvac and ductwork gas by others 80.btu/3.5ton
Valuation:
$4,500
Permit #:
M02208447
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
Addition heating and air conditioning new hvac and ductwork 14.4kw 49.1btu/2.5ton
Valuation:
N/A
Permit #:
M02202071
Status:
complete
Fee:
$95
Permit Type:
N/A
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
William Harry Metcalfe License info
Verified License
| License # | 11113 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for William Harry Metcalfe 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 # | CON-712 |
| Status | Inactive |
| City | Annapolis |
| Type | Contractor |
- According to the The City of Annapolis, MD, 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 William Harry Metcalfe at the The City of Annapolis, MD.
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
4.2K
Permits
- Building permit records show that William Harry Metcalfe has worked on 4226 permitted projects.
William Harry Metcalfe Employees
WM
William Harry Metcalfe
Owner