Location and Projects
Steven Proto Construction
Steven Proto, 130 State St, North Haven, CT (Employee: Ralph Proto) holds a Home Improvement Contractor license and 2 other licenses according to the Connecticut license board.
Their BuildZoom score of 90 indicates that they are licensed or registered but we do not have additional information about them.
Their license was verified as active when we last checked. If you are thinking of hiring Steven Proto, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Steven Proto Services
Steven Proto Contact Information
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Steven Proto License info
Verified License
| License # | HIC.0509621 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Steven Proto at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | HIC.0634751 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
| Date Issued | 04-01-2026 |
- BuildZoom verified this license was active as of June 2026.
Verify this license's status for Steven Proto at the Connecticut Department of Consumer Protection.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | HIC.0653314 |
| Status | Active |
| State | Connecticut |
| Type | Home Improvement Contractor |
- When BuildZoom last verified this license, it had an expiration date of March, 2025. Check the current license status of Steven Proto with the Connecticut Department of Consumer Protection
This is a sample of licensing data; click here to access a complete history.