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NYC Department of Buildings · Owner guide
NYC DOB Place of Assembly Certificate of Operation (PACO)
A Place of Assembly Certificate of Operation (PACO) is a NYC DOB certificate for qualifying public assembly spaces, not a construction work permit. DOB generally requires a PACO where at least 75 members of the public gather indoors or 200 gather outdoors for specified activities, subject to the applicable legal requirements.
Start with the DOB Permit Types and Certificates of Operation directory for the complete work-type list, or use the Department of Buildings Table of Content for wider NYC DOB subjects. Check the work scope and responsible applicant before treating an application as an issued authorization.
What Is a Place of Assembly Certificate of Operation?
A Place of Assembly Certificate of Operation (PACO) is issued by DOB for qualifying spaces where members of the public gather. It is not a construction work permit.
A PACO filing does not authorize alterations to the premises. When the room layout, occupancy, exits or permitted use change, a separate alteration or New Building review may be needed.
Need help with Place of Assembly Certificate of Operation coordination?
SLK Buildings can help property owners and project teams identify the correct DOB record, organize available project documents, and coordinate next steps with the responsible applicants, contractors and licensed professionals.
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When Does This DOB Authorization Apply?
Deciding whether this authorization applies requires a property-specific review of the proposed work, the existing conditions and the current agency records. In particular, compare existing Certificate of Occupancy and approved assembly use, along with room plans, exits, seating arrangements and proposed occupant load.
A Place of Assembly Certificate of Operation applies to qualifying assembly spaces, not to construction work throughout the building. Review the intended room use, occupant load, exit arrangements, and whether the assembly configuration is permanent. An owner’s description of a venue as a meeting room or restaurant is not enough by itself to determine PACO eligibility. DOB’s assessment depends on the applicable assembly rules and supporting information. Physical alterations needed to create or modify the space can require separate building or trade permits.
Work Type, Agency and Permit Boundaries
DOB reviews and initially inspects PACO matters; FDNY has a separate annual Place of Assembly Permit and ongoing inspection responsibilities. Construction needed to create or alter the space still requires relevant DOB work permits.
DOB NOW: Build is the standard current filing platform for this subject. The authorized filer and contractor roles depend on the regulated work, and separate agency permissions may still be necessary.
Steps to Request or Review the DOB Authorization
Use the following sequence to avoid applying against the wrong property record or work scope:
- Confirm the building address, Building Identification Number (BIN), and existing job or equipment record. Check whether the project is new work or an older open job.
- Define the exact work or certificate need with the authorized professional. Compare the project details with the DOB work type and any separate trade or agency approvals.
- The authorized applicant requests PACO through DOB NOW: Build. DOB reviews the application and performs the applicable initial inspection before issuing the Certificate of Operation.
- Review the submitted filing and DOB status. Address objections, missing documents, required attestations and pre-permit conditions through the authorized applicant.
- Confirm the issued permit or certificate and the approved work limitations before acting. Save the final record and track inspection or completion duties.
Documents and Information to Prepare
The responsible applicant should assemble project-specific information before starting the filing or records review:
- Existing Certificate of Occupancy and approved assembly use.
- Room plans, exits, seating arrangements and proposed occupant load.
- Property and assembly operation details.
- Associated alteration job and life-safety approval records where applicable.
DOB Review, Inspections and Closeout
Keep the issued PACO and coordinate the separate FDNY Place of Assembly Permit process. If the physical layout changes, confirm whether DOB needs revised plans or an updated certificate.
An application marked approved, a permit issued and a project signed off are different milestones. Review the applicable status in DOB NOW or BIS, and retain supporting inspection and closeout documentation for the property record.
Before operating, identify the DOB certificate conditions and keep the approved assembly arrangements available to the responsible manager. Changes to the room layout, exits, or occupant capacity should be reviewed before being treated as covered by the existing certificate. FDNY has separate fire-safety responsibilities and may require a distinct annual Place of Assembly operating permit. Owners should maintain DOB and FDNY records in separate folders, since a DOB PACO does not replace the applicable FDNY authorization.
Common Problems to Avoid
Treating PACO as a building permit
Obtain separate construction permits for alterations to the assembly space.
FDNY permit overlooked
DOB PACO does not replace the FDNY recurring Place of Assembly Permit.
Occupant load differs from plans
Verify the approved use, seating and egress arrangement.
How SLK Buildings May Assist
SLK Buildings may assist with Place of Assembly Certificate of Operation coordination by reviewing available DOB records, organizing project information and identifying which applicant, licensed contractor or agency contact needs to handle the next action.
The authorized design and trade professionals remain responsible for regulated submissions and work, and DOB controls permit decisions, inspections and completion. Owners can begin by gathering the property address, existing filing numbers and a clear description of the proposed work.
Frequently Asked Questions
Is PACO a construction permit?
No. It is a DOB Certificate of Operation for qualifying assembly premises.
Does DOB or FDNY issue PACO?
DOB issues PACO; FDNY administers a separate operating permit.
Can an assembly space operate without checking occupant load?
No. The applicable occupancy, egress and agency approval requirements should be reviewed.
Seeking Professional Guidance on NYC DOB Permits and Certificates
Property owners and project teams may need to confirm which DOB authorization applies, distinguish historical permits from current work types, and organize existing drawings, job numbers and approved records. When permits, certificates or multiple trades are involved, the responsible professionals and DOB must determine the permitted scope and required approvals.
SLK Buildings Assists with NYC DOB Permit Coordination
SLK Buildings may help identify the agency process, organize available records, coordinate with owners, contractors and licensed design professionals, and track outstanding requests within an agreed scope. For a project-specific discussion, provide the property address, known job or permit numbers, existing approvals and the work being proposed.
SLK Buildings is an independent consulting and construction-management firm, not affiliated with NYC DOB or any government agency. Information is for general education and is not legal, architectural, engineering or other licensed-professional advice. Qualified providers must perform regulated services. DOB and other agencies control official determinations, and SLK does not guarantee permits, certificates, inspections, approvals or outcomes.