Property owners are responsible for any work performed on their buildings and should ensure qualified and experienced professionals that will comply with all requirements of the NYC Building Code and Zoning Resolution are hired. The Department encourages anyone hiring a Construction Professional to check both their disciplinary and voluntary surrender records, as well as current license status.
The Know Your Construction Professional Directory allows anyone, from homeowners to large development firms, easy access to a single comprehensive catalogue that provides the disciplinary and voluntary license records of construction professionals between 1998 to the present. The Directory provides records for:
Design Professionals (Professional Engineers and Registered Architects) submit required plans and work permit applications to the Department. In limited cases, these design professionals self-certify that their plans satisfy applicable laws and Codes. Contact local industry organizations to find a State-licensed design professional.
Before hiring a design professional check, the disciplinary actions and voluntary surrenders for Professional Engineers & Registered Architects.
The Department of Buildings issues more than 30 types of licenses, registrations or certifications. Following is a list of DOB-issued licenses:
Below are links to New York City-licensed electricians and plumbers:
Use the License Search to confirm the status of a license, registration, or certification, and the disciplinary actions for:
When hiring a tradesperson, be sure to have a written contract that includes:
Other City agencies have licensing requirements. For example, the Department of Consumer Affairs (DCA) requires licenses for people or businesses working in a residential building or negotiating home improvement contracts. A person or business must have a DCA Home Improvement Contractor License if engaged in the construction, repair, remodeling, or addition to any land or building used as a residence. This includes, but is not limited to, the construction, replacement, or improvement of basements, driveways, fences, garages, landscaping, patios, porches, sidewalks, swimming pools, terraces, and other improvements to structures or upon land that is next to a home or apartment building.
The Department requires Filing Representatives conducting business with the Department to register and obtain a Department-issued Identification Card.