Special Inspections Agency
Individuals and organizations performing or supervising the following work must obtain a Special Inspection Agency Registration Number:
(A) Class 1
An agency registered as a Class 1 special inspection agency for a special inspection category will be permitted to perform the work associated with such special inspection category on any project. Accreditation is required for this class.
(B) Class 2
An agency registered as a Class 2 special inspection agency for a special inspection category will be permitted to perform the work associated with such special inspection category on any project, except those involving:
- The construction of a new major building
- The full demolition of a major building
- The alteration of a major building including
a) The removal of an entire story or more
b) The partial demolition of twenty thousand (20,000) square feet or more of gross floor area
c) The partial demolition of twenty (20) percent or more of the gross floor area
- The enlargement of a major building by more than ten thousand (10,000) square feet of gross floor area
(C) Class 3
An agency registered as a Class 3 special inspection agency for a special inspection category will be permitted to perform the work associated with this category on the following projects only:
Exception: The special inspection categories of underpinning, mechanical means and methods of demolition, and the protection of the sides of excavations greater than ten (10) feet in depth must be performed only by special inspection agencies registered as either class 1 or class 2 special inspection agencies for such categories.
- The construction, demolition, or alteration of a one-, two-, or three-family dwelling
- The alteration of any building, including partial demolition, of less than ten thousand (10,000) square feet of gross floor area in total
Applicants must identify the types of special inspections their agency performs and select Class 1, 2, or 3 endorsement.
All SIA1-Special Inspection Agency Registration Forms are to be dropped off or mailed to:
||$30.00 / special inspection class
||$50.00 + renewal and endorsement fees
NYC Department of Buildings
280 Broadway, 1st Floor
New York, NY 10007
Agencies wishing to make changes to their processed registration are required to complete a paper SIA1-Special Inspection Agency Registration Form to and drop off or mail to the Licensing Division
. There is no change fee; however, a charge of $30.00/special inspection class will be assessed when adding inspections. Please complete and submit the SIA1 Cover Sheet
with the appropriate payment.