The filing, the documents behind it, and the sequence they go in.

Demolition permits: what your job needs, and in what order

The filing, the documents it depends on, and the order to get them in so your start date does not slip.

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Demolition permitting under way on a New York job.

Filings and compliance

When people call us about demolition permitting

You need a demolition permit and do not know where to start
A filing has stalled and you cannot work out which document is holding it
You want the document trail run alongside the work rather than after it
You need to know how long this will realistically take before committing

What demolition permitting covers

Which filing your job actually needs: full demolition, Alt-2, or work small enough to sit outside one
Utility disconnect certifications for gas, electric, water and steam, requested and tracked
Adjoining-owner notice and rodent extermination certification assembled
Site safety plan or waiver package assembled
ACP-5 asbestos assessment coordination with a DEP-certified investigator
Pre-demolition inspection, the two-day start notice and post-demolition sign-off tracked against the programme

The order matters more than the effort

Almost every stalled demolition filing is stalled on the same two things: the asbestos assessment was started late, or a utility certification has not come back. Both are outside your control once requested and both have to be in before the permit issues, so both go in on day one. Everything else can be done in parallel. Industry practice puts a typical full-demolition front end at around four to eight weeks when it is run that way. That is a typical range from practice, not a commitment from DOB.

How the filing runs, and what DOB asks for

What delays a New York demolition is rarely the demolition. It is the paperwork, and almost always the same two documents. Here is the whole sequence, so you can see where yours is.

First, which filing you are in

There are broadly three answers, and everything downstream depends on getting this one right.

Taking a whole structure down needs a demolition permit. Since March 2023 all new full demolition jobs are filed, processed and managed in DOB NOW: Build.
Interior gut work that uses several trades but does not change the building’s legal use, egress or occupancy normally runs under an Alt-2 filing. This covers most apartment gut renovations and most commercial fit-out strip-outs.
Genuinely small cosmetic removal can fall outside a DOB filing. That boundary is set by scope, not by which room you are in, so it is worth confirming rather than assuming.

What a full demolition application has to contain

A full demolition filing is not one form. It is a package, and it cannot be submitted complete until several separate parties have each done something.

Utility disconnect certifications from each provider, confirming gas, electric, water, steam and any other service line to the building has been disconnected.
Proof of notice to adjoining owners. Your neighbours have to be told.
Certification that the building has been treated for rodent extermination. People are consistently surprised by this one.
A site safety plan, or an approved site safety waiver submission. Full demolition jobs always need one or the other.
An ACP-5 asbestos assessment, for any building put up before 1 April 1987. What the ACP-5 is, when it is required and who issues it has its own guide.

The dates around the permit itself

Once the application is approved there are still steps with dates attached to them.

DOB may require a pre-demolition inspection before work permits are released.
DOB must be notified two days before demolition work starts. This is a hard requirement, not a courtesy.
On completion, a post-demolition inspection has to be scheduled before the job can be signed off.

How long the front end really takes

Industry practice puts a typical full-demolition front end at roughly four to eight weeks, assuming the asbestos assessment, utility certifications, neighbour notice, rodent certification and site safety submission are all being worked in parallel rather than one after another.

That is a typical range from practice. It is not a commitment from DOB, and nobody can give you one. What you can control is whether the long-lead items start on day one.

What to do this week

If you are planning a demolition, do two things now: request the utility disconnects, and get a DEP-certified asbestos investigator instructed. Everything else in the package can be assembled while those run.

If your filing is already stalled, work out which of those two is outstanding before you chase anything else. It is usually one of them.

Tenant protection plan: when people stay in the building

A tenant protection plan, the TPP, is the document the Department of Buildings requires before it issues a permit for construction, alteration or partial demolition in a building where at least one apartment stays occupied during the work. If your demolition happens around people who are still living there, it is part of your filing.

When DOB requires one

The trigger is occupancy, not scale. If the owner’s section of the application, the PW1, says there are occupied dwelling units in the building, a TPP is required, and it cannot be waived while those units stay occupied. Each construction, alteration or partial demolition permit needs its own. An occupied one-family house needs one. A commercial or community-facility building with no residential units does not.

For demolition work that means the jobs where people stay: an interior strip-out filed as an alteration, or a partial demolition, in a building with tenants in it.

What the plan has to cover

The plan states which units will be occupied during the work and the means and methods that will protect the people in them. It has to address seven things.

Egress. The exits stay adequate and unobstructed for the whole job.
Fire safety. The measures that protect tenants while the work runs, including temporary fire-rated partitions and opening protectives.
Health. Dust control, debris disposal, pest control, sanitary facilities, and compliance with the lead and asbestos rules.
Housing standards. The building keeps meeting the Housing Maintenance Code and the Multiple Dwelling Law during the work.
Structural safety. No structural work that may endanger the occupants.
Noise. The Noise Control Code, with the hours and days the work will run.
Essential services. Heat, hot water, cold water, gas and electricity stay on, and any planned disruption is set out with how tenants are told.

Who prepares it, and what we supply

A registered design professional, a registered architect or a professional engineer, prepares and submits the TPP in DOB NOW once the job filing is approved, and the contractor holding the permit is responsible for retaining that professional. What the plan describes is our work: the temporary fire-rated partitions and opening protectives, the dust containment, the protected routes, the physical separation between the work area and the occupied floors, the hours, and how the building’s services stay on. So we work those out with the design professional before it is filed, and we run the job to the plan.

Since Local Law 126 of 2021 a project that needs a TPP also carries a tenant protection compliance special inspection, by a professional engineer or registered architect, with weekly inspections while the units are occupied. A hazardous condition that is not put right at once is reported to the Department. Running the job to the plan is what keeps those inspections uneventful.

Notice to the people in the building

The owner notifies the Department 72 hours before work starts, posts the TPP Notice to Occupants in the lobby and on each floor within ten feet of the elevator or the main stair, distributes it, and gives any tenant a paper copy of the plan on request. The notice carries the permit numbers, the address and location of the work, and the name and contact details of the person responsible on site. We give you those details before the notice goes up.

How demolition permitting runs

The order matters more than the tools. This is the sequence for demolition permitting.

Establish the path

Full demolition, Alt-2 interior, or work small enough to sit outside a filing. Everything downstream depends on this answer being right.

Start the long leads

Utility disconnect requests and the asbestos investigator go first, on day one, because they are the items you cannot accelerate later.

Assemble the package

Adjoining-owner notice, rodent certification, site safety submission and plans, gathered while the long leads run.

The application goes in

Full demolition jobs are filed in DOB NOW: Build, and objections get answered as they come rather than in a batch at the end.

Permit, notice, inspection

Permit issues, DOB is notified two days before work starts, and the post-demolition inspection is scheduled for sign-off.

What moves the price on demolition permitting

Every one of these moves the number, so you can see what a quote is actually responding to. Tell us the ones you already know when you call.

Whether it is a full demolition or an interior filing
How many utility services need certification
Whether the asbestos assessment comes back clear or triggers abatement
Whether adjoining owners are straightforward to notify
How many objections come back on the application

The asbestos filing that comes first

Demolition permitting: your questions

What actually holds these up?

Overwhelmingly the asbestos assessment and the utility disconnect certifications. Neither can be rushed once requested, which is exactly why they both go in first.

Do I need a permit for interior work?

Usually an Alt-2 filing once the work involves several trades and goes beyond cosmetic removal. It does not change the building’s use, egress or occupancy, which is what keeps it out of the heavier filing types.