Do I need county approval before adding or replacing a grease trap?

On a property running on a cesspool or an individual sewerage system, plan on it. Article 6 of the Suffolk County Sanitary Code defines an OWTS Retrofit to include the replacement or addition of a septic tank, grease trap, components of an I/A OWTS, lift station, pump station, distribution box or manhole to an existing sewage disposal system (section 760-603, definition 33). Since July 1, 2019 no property owner, contractor or developer may engage in an OWTS Retrofit of an existing cesspool or individual sewerage system for a permanent structure unless Department approval is obtained for the proposed work (section 760-605.B.1), and the contractor doing it has to hold the Liquid Waste license (section 760-605.C.2). That approval requirement carries one carve-out on its face: it excludes parcels located within a proposed sewer district as approved by the Commissioner in accordance with Department standards. Article 6 is written about cesspools and individual sewerage systems, so a property connected to a public sewer is not the case it describes; ask the sewer district there. Confirm your own case with the Suffolk County Department of Health Services before scheduling. Source: Article 6 of the Suffolk County Sanitary Code, read in full 2026-08-24.

Is grease trap cleaning the same trade as cesspool pumping in Suffolk County?

In this county they sit on one license. Suffolk County's Liquid Waste license is issued with endorsements rather than as a single blanket permission, and the form's list carries Septic Tank Pumping, Cleaning, and Maintenance as endorsement 1, Grease Trap/Grease Interceptor Cleaning and Maintenance as endorsement 2, Yellow Grease/Fryer Oil Collection as endorsement 3, and Waste Line Cleaning and Inspection as endorsement 5. One endorsement is included in the license and each additional one carries a further fee, which is why so many Long Island companies carry cesspool, sewer, drain and grease work under one name. Endorsements are held per business, so ask which ones a company actually carries rather than assuming. Source: the county's Liquid Waste licensing endorsements and requirements form, read in full 2026-08-24.

Does Suffolk County set how often a grease trap has to be cleaned?

Article 6 of the Sanitary Code does not state a cleaning interval for grease traps, and that is not the same as no interval applying to your property. Article 6 does two things here: it excludes grease trap maintenance from the four-pump-outs-a-year condition that can evidence a Failed System (section 760-603, definition 17), and it requires every pumping of a grease trap by a Liquid Waste license holder to be reported to the Department in accordance with standards the Department establishes (section 760-605.A.1). So the schedule that binds you comes from the Department, from your sewer district if the property is sewered, and from the trap's capacity against what your kitchen puts through it. Ask the licensed company for an interval in writing and confirm it with the Department. Source: Article 6 of the Suffolk County Sanitary Code, read in full 2026-08-24.

Suffolk County Grease Trap Cleaning and Pumping

Grease trap cleaning in Suffolk County is done by companies holding endorsement 2 on the county’s Liquid Waste license, and every pumping they do is reported to the Health Department. Tell us where the property is and what kind of trap it has, and an independent licensed local company that works your part of the county comes back to you with a free quote.

In Suffolk County, grease trap and grease interceptor cleaning is its own endorsement on the county Liquid Waste license, number 2, and the county requires it to be backed by a pump or vacuum truck dedicated to trap grease waste that displays the license number (Suffolk County Liquid Waste licensing endorsements and requirements, read in full 2026-08-24).

Who is licensed to do grease trap cleaning in Suffolk County

A Liquid Waste license holder carrying endorsement 2, and the county writes the endorsement out in plain words. The form titles it Grease Trap/Grease Interceptor Cleaning and Maintenance, and requires proof of ownership of a pump or vacuum truck dedicated for pumping trap grease waste, plus either LILWA certification or the NAWT Vacuum Truck Technician class. The endorsements are set out under Suffolk County Law Chapter 563, Article VII, and the license is issued through the Suffolk County Department of Labor, Licensing and Consumer Affairs.

The useful part for a property owner is the check it hands you. The form lists endorsements 1, 2, 3, 4, 6 and 7 as the ones that require a dedicated vehicle displaying the Liquid Waste license number, so a truck arriving for a grease trap is supposed to be carrying that number where you can read it. Two questions cover the paperwork: what is the Liquid Waste license number, and does the license carry endorsement 2.

Grease trap or grease interceptor cleaning: one county endorsement covers both

One endorsement covers both devices. The county form’s endorsement 2 is titled Grease Trap/Grease Interceptor Cleaning and Maintenance, so the licensing question does not change with the name on your equipment. What changes on site is capacity, placement and access: a small under-sink or floor-set trap inside a kitchen and a buried exterior interceptor sized for a whole building are the same licensed job and a different visit.

Trap grease and fryer oil are two separate endorsements

Yes, and it decides whether you are hiring one vendor or two. Endorsement 2 covers grease trap and grease interceptor cleaning and maintenance. Yellow Grease/Fryer Oil Collection is a separate endorsement, number 3, and the county requires it to be backed by its own pump or vacuum truck dedicated to pumping yellow grease. The form goes further and carries separate license number lines for Trap Grease Only, Yellow Grease Only and Sanitary/Organic Waste, which is the county treating the waste streams as different work rather than as one pickup.

For a kitchen that wants the trap and the used fryer oil handled together, that turns into one question at the quote stage: does the license carry both 2 and 3, or does the fryer oil go to somebody else.

Every grease trap pumping in Suffolk County is reported to the Health Department

Article 6 of the Sanitary Code says so directly. Since July 1, 2018, a contractor or developer holding an active Liquid Waste License under Suffolk County Code Chapter 563, Article VII must report all pumping of septic tanks, I/A OWTS, cesspools, grease traps and leaching structures to the Department, in accordance with standards the Department establishes (Article 6 of the Suffolk County Sanitary Code, section 760-605.A.1, read in full 2026-08-24; Article 6 was adopted 1980-11-19 and last amended 2020-12-01).

Two practical consequences. Your service history on that trap becomes part of a county record rather than a stack of your own invoices, which is worth having when a property changes hands or a system comes up for review. And it is one more reason the licensed company is the cheaper choice in the end: an unlicensed pump-out is not a reported one, so it builds you nothing.

Adding or replacing a grease trap is regulated work on an unsewered property

On a property running on a cesspool or an individual sewerage system, the county has to approve the work before it happens. Article 6 defines an OWTS Retrofit to include the replacement or addition of a septic tank, grease trap, components of an I/A OWTS, lift station, pump station, distribution box or manhole to an existing sewage disposal system (section 760-603, definition 33). Since July 1, 2019, no property owner, contractor or developer may engage in an OWTS Retrofit of an existing cesspool or individual sewerage system for any permanent structure unless Department approval is obtained for the proposed work (section 760-605.B.1), and section 760-605.C.2 bars a contractor from doing that retrofit at all without an active Liquid Waste License. The approval requirement carries one carve-out written into the same subsection: it excludes parcels located within a proposed sewer district as approved by the Commissioner in accordance with Department standards.

Read the order carefully, because it is the part that costs money when it is missed: approval is obtained for the proposed work, which means before rather than after. Article 6 is written about existing cesspools and individual sewerage systems, so a building connected to a public sewer line is not the case that section describes, and the sewer district is the place to ask there. Either way, confirm your own property’s case with the Suffolk County Department of Health Services before a truck is booked. If the visit turns into a bigger conversation about the system the trap discharges into, that is the septic system replacement lane rather than a maintenance call.

How often should a grease trap be cleaned in Suffolk County

Article 6 does not state an interval, and that is not the same as no interval applying to you. What the Sanitary Code does with grease traps is narrower and worth knowing: it excludes grease trap maintenance from the four-pump-outs-a-year condition that can evidence a Failed System (section 760-603, definition 17), and it requires every pumping to be reported in accordance with standards the Department establishes. The schedule that actually binds a given kitchen comes from the Department, from the sewer district where the property is sewered, and from the trap’s capacity measured against volume through the kitchen.

So the question worth asking a licensed company is not what the rule is. It is what interval keeps this trap doing its job at this volume, in writing, with the reasoning attached. A trap serviced on a schedule that suits the truck rather than the kitchen is the version that ends in a backup.

What decides the price of a grease trap cleaning visit

This site publishes no dollar figures for any service, on purpose. A Suffolk County number we cannot name a source and a date for is worth less to you than a written quote, and an invented one would be worse than none. What we can name is what the number tracks, and every item is visible on arrival: the trap’s capacity, whether it is a floor-set unit inside a kitchen or a buried exterior interceptor, how close a truck can get to it, how long it has been since the last service, and whether the same trip is also collecting fryer oil or clearing a waste line.

Ask for the quote in writing, ask what is included in disposal, and ask whether the interval quoted is the one the company would recommend or the one you asked for.

Why a Suffolk cesspool company is usually the one cleaning the trap

Because in this county the two jobs are the same trade by the county’s own design. Endorsements 1, 2 and 5 sit on one Liquid Waste license, so cesspool and septic tank pumping, grease trap cleaning and waste line cleaning are permissions a single business adds to the license it already holds. Article 6 points the same way from the code side, listing a grease trap among the components of an existing sewage disposal system in its retrofit definition.

That matters most on the unsewered side of the county, which is most of it. Where a building treats its wastewater on the lot, the trap, the line and the cesspool are one system with one owner, and a company that can look at all three tells you something a grease-only vendor cannot. The same free referral covers cesspool pumping, sewer and drain line cleaning and septic system repair when the visit finds the trap was not the whole story.

What it costs, and what happens after you send it

What does this work cost in Suffolk County?: A pump-out, a service call, a repair or an inspection prices per visit, and the number tracks things a company has to see: how deep the pit is, how much is sitting in it, whether a truck can reach it, and whether the visit turns up a structural problem rather than routine solids. We do not publish a dollar range for it. A Suffolk County figure we cannot name a source and a date for is worth less to you than a written quote, and an invented one would be worse than none. The replacement cost guide walks through every driver so you can read a quote and tell whether it is fair, and the approved installer who visits the property is the only honest source of your number. Program help is a separate question. The county Septic Improvement Program and the New York State Septic System Replacement Program may each offset part of an approved system, and we do not publish their amounts, because the agencies set them and change them.
How fast will someone get back to me?: Your request goes to an independent installer on Suffolk County’s approved-installer list, usually within about an hour during the day. That installer then contacts you to look at the property and price the work on their own schedule.
What work is covered?: Cesspool to septic conversion, I/A OWTS installation, septic system installation and replacement, septic repair, cesspool service and pumping, septic tank abandonment, and septic inspection at sale. See every service.

Only the installer who walks your property can price the job.

Grease Trap Cleaning and Pumping in Suffolk County, NY