Permit Path Checker
Answer three questions about your property and your project, and the checker shows which approvals are likely to apply, as a checklist. It is a starting point, not a determination, and the result appears immediately, without asking for your name or contact details.
The only authority on a specific parcel is the town or village itself. Use this to understand the likely layers, then confirm the actual requirements with your building department or with us.
Permit Path Checker
Answer three questions to see which approvals are likely to apply to your project. The result appears immediately.
The approvals, explained
The same information the tool uses, written out so it can be read without running the checker. Each approval below is one of the layers that can apply to an East End project.
Town or village building permit
Issued by the town or incorporated village that has jurisdiction over your parcel. Almost every project beyond a cosmetic swap requires one, and the department you deal with depends on which side of a town or village line the house sits on.
Architectural or historic review
The incorporated villages with historic districts review changes to a building's appearance through their own architectural review board. This is a separate step from the building permit and applies in the villages, not in the hamlets.
Town trustees (beach or bottomland)
Where a parcel touches beach, shoreline or underwater bottomland, the town trustees may have jurisdiction over work in that area. This is a separate authority from the building department and applies to waterfront and near-water parcels.
State environmental review (tidal wetlands / coastal erosion)
Where tidal wetlands or a designated coastal erosion area is involved, the state environmental agency reviews the work. This applies to certain waterfront parcels and is layered on top of the town and trustee approvals.
Wastewater system review
In Suffolk County, work that adds bedrooms or bathrooms can trigger a review of the property's septic system, because the system was sized to the house as it was. If the existing system cannot support the added load, an upgrade may be required before the addition can proceed.
How the layers combine
An interior renovation in a hamlet may need only the town or village building permit. A kitchen or bathroom renovation adds moved plumbing but often stays within the building permit. An addition or new bedroom or bathroom can trigger the wastewater system review on top of the building permit. New construction adds the wastewater review and, on a coastal parcel, the coastal requirements. Exterior work is subject to the building permit and, in the villages, the architectural review. A waterfront or near-water parcel can add the town trustees and the state environmental review to any of these.
About the Permit Path Checker
Is the Permit Path Checker a determination of what my project needs?
No. It is a starting point based on how these approvals generally work on the East End. The only authority on a specific parcel is the town or village that has jurisdiction over it. Use the result to understand the likely layers, then confirm the actual requirements with your building department or with us before you design.
Why does the town or village matter so much?
Because building permits are issued by the town or the incorporated village, not by the county or the state. Each one has its own building department, zoning code and review calendar. A house inside a village boundary answers to that village, while a house in the surrounding hamlet answers to the town, so two nearby properties can follow entirely different approval paths.
What is architectural or historic review?
The incorporated villages with historic districts review changes to a building's appearance through their own architectural review board. It is a separate step from the building permit and runs on its own calendar. It applies in the villages, not in the hamlets, which is why the tool flags it only for incorporated villages.
When do the town trustees get involved?
Where a parcel touches beach, shoreline or underwater bottomland, the town trustees may have jurisdiction over work in that area. This is a separate authority from the building department, and it is why the tool flags the trustees for waterfront and near-water parcels.
What is the state environmental review for?
Where tidal wetlands or a designated coastal erosion area is involved, the state environmental agency reviews the work. It applies to certain waterfront parcels and is layered on top of the town and trustee approvals. The tool flags it when a parcel is on the water.
Why might a wastewater review be triggered?
In Suffolk County, work that adds bedrooms or bathrooms can trigger a review of the property's septic system, because the system was sized to the house as it was. If the existing system cannot support the added load, an upgrade may be required. The tool flags it for additions and new construction, where it comes up most often.
What should I do after I get my result?
Treat it as a map of the likely layers, then confirm the specifics with your building department or with us. The tool cannot see your parcel, your zoning or your existing systems, so the real approval path is confirmed on the ground. You can also ask us to check your specific parcel directly.
Have us check your specific parcel
The tool gives you the likely layers. To get a real read on your parcel, send us the details and we will look at the jurisdiction, the coastal status and the wastewater situation for your property.
Request an Estimate
Tell us about your project and we will get back to you.
For the full background on how each approval works, read our permits and approvals guide.