Site Safety Rules for Six- and Seven-Story Buildings in NYC

The threshold that changed in December 2024

Under Local Law 147 of 2021, the definition of a major building in section 202 of the NYC Building Code changed on December 11, 2024. As DOB's service notice (opens an external site) explains, a major building is now an existing or proposed building of 7 or more stories or 75 feet or more in height. Before that date the threshold was 10 stories or 125 feet. Buildings with a footprint of 100,000 square feet or more, and buildings the Commissioner designates because of unique construction hazards, remain major buildings regardless of height.

The new definition applies to initial permits issued and initial permit requests submitted on or after December 11, 2024. A job filed earlier is also covered if no initial General Construction, Structural, Foundation, Support of Excavation or Earthwork permit had been requested or issued by that date. The trigger for façade work did not change and still applies only to buildings over 14 stories or 200 feet.

Both limits matter. A building with six stories but a tall ground floor, high ceilings or a substantial bulkhead can reach 75 feet. How height is measured for this purpose should be confirmed with the architect early, while the floor-to-floor heights can still change.

Six stories and seven stories compared

The story count also matters under other rules. Local Law 154 treated new buildings under seven stories differently from taller ones when it phased in all-electric requirements, as our guide to the NYC and state gas bans explains.

Site safety managers and coordinators on major buildings

Under section 3310.5 of the Building Code, as amended by Local Law 149 of 2021 (opens an external site), the owner, agent, construction manager or general contractor designates a primary site safety manager for a major building. The manager must be certified by DOB. A DOB-certified site safety coordinator may be designated instead for the construction of a major building that is less than 15 stories or 200 feet in height, whichever is less, with a footprint of 100,000 square feet or less, which covers most apartment buildings of seven to fourteen stories.

The manager or coordinator must be present on site at all times while active work is occurring, through all phases of work, from excavation until the building is enclosed and the sidewalk shed is removed. The law lists limited exceptions for certain activities when no other work is in progress. For a developer, this is a full-time position for most of the construction period, and the longer the envelope takes to close, the longer the position lasts.

Construction superintendents and the one-job rule

Below the major-building line, the permit holder must designate a primary construction superintendent for any new building and notify DOB before work starts, under section 3301.13.3 of the Building Code. The only exception for new construction is a one-, two- or three-family building whose permit holder is a registered general contractor. The superintendent leads a weekly safety meeting with the general contractor's representative and each subcontractor while active work is occurring.

DOB has also limited superintendents to one job. According to DOB's July 8, 2026 service notice (opens an external site), from July 13, 2026 DOB NOW will not issue a new permit if the designated superintendent is already designated on one or more active permits. Permits active on July 13, 2026 may be renewed through December 31, 2026, even if their superintendent is associated with more than one job; after that date they will not be renewed if the superintendent is designated on another active permit.

• A developer or general contractor running two or more buildings at once needs a separate superintendent for each.
• A superintendent is released from a job through a Site Safety Release request in DOB NOW, with an authorization letter and photographs, and the release must be approved before that person can be designated on another job.
• Superintendent changes should be planned around permit renewals, because a permit can be placed on hold until it is renewed with a new superintendent.

Site Safety Training cards and the Redcode cancellation

Local Law 196 of 2017 requires workers on sites that need a construction superintendent, site safety coordinator or site safety manager to hold a Site Safety Training (SST) card. Every new building except a one- to three-family house built by a registered general contractor falls into that group. As DOB's SST FAQ (opens an external site) states, workers need at least 40 hours of training and supervisors, including superintendents, coordinators, managers and competent persons, need at least 62 hours. Cards expire after five years. DOB can issue civil penalties of up to $5,000 per untrained worker to the owner of the site, the permit holder and the worker's employer.

On September 8, 2026, the Brooklyn District Attorney's Office announced that Redcode, Inc. had been indicted for the fraudulent issuance of SST cards. According to DOB's SST card information page (opens an external site), DOB is invalidating all SST certificates issued by Redcode. Affected workers have a 90-day grace period, through Monday, December 7, 2026, to complete the required training through a DOB-registered course provider and obtain a new card; during the grace period the affected cards remain active when scanned on site. Cards issued by other providers on the basis of Redcode certificates stay active after December 7 only if the worker completes the required training in time; otherwise they are revoked.

• Ask every trade for a current list of SST card holders on your job, with the course provider for each card.
• Flag any card linked to Redcode and confirm that the holder has completed retraining before December 7, 2026.
• Repeat the check when a trade adds crew members, because the penalty falls on the owner and the permit holder as well as on the employer.

Why the story count is a cost decision

A seventh story adds rentable or saleable floor area, but it also changes the way the site must be staffed. A major building carries a certified site safety manager or coordinator on site during all active work until enclosure and shed removal, in addition to the construction superintendent, for most of the schedule. The one-job rule means a superintendent can no longer be shared across buildings. Registered general contractors already need DOB safety endorsements (opens an external site) for construction, concrete and demolition work on buildings of four stories or more, so those apply to both options.

Whether the extra floor pays for these costs depends on zoning, the 485-x option, the structure, the schedule and the market, and the answer differs by site. The comparison should be run at schematic design with the architect, the general contractor and the lender, not after the permit drawings are complete. Our guides to 485-x for buildings under 100 units and what drives the cost of a six-story building cover the other parts of that decision.

How we work on sites with these requirements

On our interior scopes we work under the general contractor's site safety plan, attend the weekly safety meetings, and provide our crews' SST card information to the site safety team for verification before mobilization. Electrical, plumbing and mechanical scopes are coordinated through licensed partner contractors. As a contracted owner's representative, our construction and project management team tracks superintendent designations, permit renewals and card checks across your active jobs, so that staffing changes can be planned around permit renewals.