Updated: May 31, 2026
Location and Projects
Address
Centreville, MD, 21617
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William Harold Sard Jr HVAC/Mechanical Contractor
William Harold Sard Jr, Centreville, MD holds a Heating, Ventilation, Air Conditioning And Refrigeration license and 2 other licenses according to the Maryland license board.
Their BuildZoom score of 0 does not rank in the top 50% of Maryland contractors.
Their license was verified as active when we last checked. If you are thinking of hiring William Harold Sard Jr, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
William Harold Sard Jr Contact Information
Phone Number: (410) 463-0243
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Building Permits by William Harold Sard Jr
This is a sample of this contractor's permits. Click here to access their complete permit history.
Construction of a 1 story single family dwelling; 1st floorincludes living room kitchen laundry room (*see text*)
Valuation:
$147,363
Permit #:
20-225
Status:
issued
Fee:
$70
Permit Type:
Residence single ...
Building Type:
N/A
The project consists of the renovation of an existingcommercial kitchen service counter dining area (see text)
Valuation:
$20,000
Permit #:
20-224
Status:
issued
Fee:
$70
Permit Type:
Commercial additi...
Building Type:
N/A
Install new 13 hood; ss backsplashrusticana restaurant
Valuation:
N/A
Permit #:
H19-044
Status:
issued
Fee:
$140
Permit Type:
Commercial HVAC work
Building Type:
N/A
Construction of a 55818 sq ft harris teeter grocery store; permit to include building electrical and mechanical/hvacr work. note: request for certificate of occupancy is on a separate permit #cmis-2195-2013
Valuation:
$6,122,987
Permit #:
BCN-2193-2013
Status:
final
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Mechanical to install 4 roof top units with ductwork and grills and install 2 commercial hoods with ductwork for a one story commerical building to be utilized as pilot travel center,
Valuation:
N/A
Permit #:
2007-07433
Status:
complete
Fee:
$520
Permit Type:
N/A
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
issued
Fee:
$115
Permit Type:
Residence additio...
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
issued
Fee:
$115
Permit Type:
Residence additio...
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
complete
Fee:
N/A
Permit Type:
Residence additio...
Building Type:
N/A
Total new install ductwork
Valuation:
N/A
Permit #:
MEC11-0289
Status:
final
Fee:
$85
Permit Type:
Existing building...
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
complete
Fee:
$80
Permit Type:
Residence additio...
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
complete
Fee:
$80
Permit Type:
Residence additio...
Building Type:
N/A
2 new heat pumps
Valuation:
N/A
Permit #:
H10-022
Status:
issued
Fee:
$68
Permit Type:
HVAC
Building Type:
N/A
2 new heat pumps
Valuation:
N/A
Permit #:
H10-022
Status:
issued
Fee:
$68
Permit Type:
HVAC
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
complete
Fee:
N/A
Permit Type:
Residence additio...
Building Type:
N/A
Replace in kind a nonconforming 26.33 ft x 8 ft front porchconstruction already begun before permit
Valuation:
$4,000
Permit #:
12-392
Status:
complete
Fee:
N/A
Permit Type:
Residence additio...
Building Type:
N/A
Total new install ductwork
Valuation:
N/A
Permit #:
MEC11-0289
Status:
final
Fee:
$85
Permit Type:
Existing building...
Building Type:
N/A
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Verified License
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William Harold Sard Jr License info
Verified License
| License # | 5528 |
| Status | Active |
| State | Maryland |
| Type | Heating, Ventilation, Air Conditioning And Refrigeration |
- BuildZoom verified this license was active as of May 2026.
Verify this license's status for William Harold Sard Jr 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 # | 1491 |
| Status | Active |
| City | Annapolis |
| Type | Mech Cont, Mechanical |
- When BuildZoom last verified this license, it had an expiration date of December, 2011. Check the current license status of William Harold Sard Jr with the The City of Annapolis, MD
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | CON-1491 |
| Status | Inactive |
| City | Annapolis |
| Type | Mech Cont |
- 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 Harold Sard Jr at the The City of Annapolis, MD.
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 William Harold Sard Jr, click “This is My Business” to update your information.
8
Permits
- Building permit records show that William Harold Sard Jr has worked on 8 permitted projects.
William Harold Sard Jr Employees
WJ
William Harold Sard Jr
Owner