Design Professionals Construction Professionals Licensing building UP

Contractors

UPDATE: New License Application Requirement

New License Application Service Notice - Starting September 7, 2021, all new license applications are required to be submitted online at www.nyc.gov/dobnow. See the New License Application User Guide for step-by-step directions.

The type of work you are seeking to perform will determine which registrations are required with the Department. Some work may require multiple registrations.

General Contractor Registration

Safety Registration Number

Insurance Tracking Number

Home Improvement Contractor License

*Note: Home Improvement Contractor licenses are issued by the Department of Consumer Affairs. For more information about applying for a license call (212) 487-4060. If you need to renew, change or update your Home Improvement Contractor license, call (212) 487-4104.*

New Buildings

1-, 2-, or 3-Family Home: You must register as a General Contractor

All Other New Buildings (excluding 1-, 2-, and 3-family homes): You must obtain a Safety Registration Number with a Construction Endorsement or register as a General Contractor.

Alterations

Adding more than 25% to the Floor Area (vertical or horizontal enlargement): You must obtain a Safety Registration Number with a Construction Endorsement or register as a General Contractor

Adding 3 or more Stories: You must obtain a Safety Registration Number with a Construction Endorsement or register as a General Contractor

Removing more than 50% of the Floor Area: You must obtain a Safety Registration Number with a Demolition Endorsement or register as a General Contractor

Removing 1 or more Stories: You must obtain a Safety Registration Number with a Demolition Endorsement or register as a General Contractor

Work in a 1-, 2-, 3-, or 4-family Home or Condo/Co-op: You must obtain a Home Improvement Contractor license from the Department of Consumer Affairs

All Other Alteration Work (all work not specified above): You must obtain an Insurance Tracking Number (at minimum), register as a General Contractor or obtain a Safety Registration number.

Demolitions

Full & Partial Demolition Work: You must obtain a Safety Registration Number with a Demolition Endorsement.

Foundations/Excavation

All Excavation / Foundation Work: You must obtain a Safety Registration Number with a Construction Endorsement.

Concrete

Placement of 2,000 Yards or More of Concrete: You must obtain a Safety Registration Number with a Concrete Endorsement.