Updated: Jul 06, 2026
Location
Address
P.O. Box 89, Portsmouth, NH, 03801
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Capstone Mechanical
Capstone Mechanical, Portsmouth, Po Box 89, Portsmouth, NH holds a Non Resident Contractor license according to the New Castle County license board.
Their BuildZoom score of 91 ranks in the top 37% of 13,069 New Hampshire licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Capstone Mechanical, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
Capstone Mechanical Contact Information
Phone Number: (603) 319-8389
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Address: P.O. Box 89, Portsmouth, NH 03801
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Capstone Mechanical License info
Verified License
| License # | 2011603944 |
| Status | Active |
| State | New Castle County |
| Type | Non Resident Contractor |
| Date Issued | 01-01-2026 |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Capstone Mechanical at the State of Delaware Department of Finance: Division of Revenue.
This is a sample of licensing data; click here to access a complete history.