Updated: Mar 31, 2026
Location and Projects
Address
11 Williams St, Nashua, NH, 03060
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James P Silverthorn HVAC/Mechanical Contractor
Their BuildZoom score of 92 ranks in the top 32% of 13,069 New Hampshire licensed contractors.
If you are thinking of hiring James P Silverthorn, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
James P Silverthorn Contact Information
Phone Number: (603) 231-5108
Address: 11 Williams St, Nashua, NH 03060
This is a sample of this contractor's permits. Click here to access their complete permit history.
Furnace flush and drains
Valuation:
$52
Permit #:
PMGR-19-182
Status:
issued
Fee:
N/A
Permit Type:
N/A
Building Type:
N/A
Addition two bedrooms in attic. includes four supply registers lighting and outlets
Valuation:
$5,000
Permit #:
2008-00974
Status:
N/A
Fee:
N/A
Permit Type:
N/A
Building Type:
R-3
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Recent Buildzoom Projects
James P Silverthorn License info
License Not Verified
| License # | 6405 |
| Status | Active |
| State | Massachusetts |
| Type | Sheet Metal |
- When BuildZoom last verified this license, it had an expiration date of April, 2026. Check the current license status of James P Silverthorn with the Commonwealth of Massachusetts E-Licensing Board
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | GFE0905855 |
| Status | Active |
| State | New Hampshire |
| Type | Mechanical |
| Class | Gas Fitter |
- When BuildZoom last verified this license, it had an expiration date of April, 2024. Check the current license status of James P Silverthorn with the New Hampshire Joint Board
This is a sample of licensing data; click here to access a complete history.
92
BuildZoom Score
James P Silverthorn Employees
JS
James Silverthorn
Owner