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Dean Castagnaro Construction
Established more than 30 years ago, Dean Castagnaro Inc. is a full-service contracting firm committed to making the vision of our clients a reality.
With a team of highly experienced workers, we provide superior quality work and expert craftsmanship. We assist you from design to the full completion of your renovation or remodeling project.
Our friendly and knowledgeable staff will help you choose and design an interior decor that suits your budget and needs. Call us for more information!
From BuildZoom: Dean Castagnaro Inc, 5 Clayton Dr, Dix Hills, NY holds a Home Improvement Contractors license and 3 other licenses according to the Nassau County license board.
Their BuildZoom score of 100 ranks in the top 13% of 77,888 New York licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Dean Castagnaro Inc, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
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Dean Castagnaro Inc License info
Verified License
| License # | H0457090000 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- BuildZoom verified this license was active as of November 2025.
Verify this license's status for Dean Castagnaro Inc at the Nassau County Office of Consumer Affairs.
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | H04570900 |
| Status | Active |
| County | Nassau County |
| Type | Home Improvement Contractors |
- When BuildZoom last verified this license, it had an expiration date of April, 2023. Check the current license status of Dean Castagnaro Inc with the Nassau County Office of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
License Not Verified
| License # | 57980 |
| Status | Active |
| County | Suffolk County |
| Type | Carpentry |
| Class | H10 |
- When BuildZoom last verified this license, it had an expiration date of January, 2023. Check the current license status of Dean Castagnaro Inc with the Suffolk County Department of Consumer Affairs
This is a sample of licensing data; click here to access a complete history.
Inactive License
| License # | NAT-47576-2 |
| Status | Inactive |
| Nation | Environmental Protection Agency |
| Type | Renovation |
- According to the United States Environmental Protection Agency, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Dean Castagnaro Inc at the United States Environmental Protection Agency.
This is a sample of licensing data; click here to access a complete history.