Looking for a grease trap service in Hackettstown, NJ? Describe your project once and up to three grease trap haulers who work in Hackettstown and Warren County get back to you with a quote. It's free and there is no obligation.
Hackettstown is home to about 10,182 people (2024 Census Bureau estimate), a stable community (−0.6% since 2020). With 2,819 people per sq mi, it is a suburban area. Restaurants and commercial kitchens here must follow the local fats, oils and grease program.
Hackettstown at a glance
- Population (Census Bureau estimate, 2024)
- 10,182 (−0.6% since 2020)
- Rank in New Jersey
- 112th of 323 cities and towns
- Land area
- 3.6 sq mi
- Population density
- 2,819 people per sq mi (suburban)
- Type
- Town (Hackettstown town)
- Main county
- Warren County
What to check before hiring in Hackettstown
- FOG program: check Hackettstown's pumping frequency and record requirements.
- Permits: haulers must be permitted to transport and dispose of grease waste.
- Records: keep every manifest for inspections.
- Price drivers: trap size, frequency, access and disposal.
Useful official resources
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EPA: national pretreatment program
Official information and guidance.
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IAPMO
Official information and guidance.
Services available in Hackettstown
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Grease trap pumping
Scheduled pumping and cleaning, with manifests for the city's FOG program.
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Grease interceptor installation
Installation or replacement of a grease interceptor by a licensed plumber.
Frequently asked questions in Hackettstown
How much does grease trap pumping cost in Hackettstown, NJ?
It depends on trap size, frequency and access. Describe your kitchen: haulers who serve Hackettstown reply with a quote.
Can pumping be scheduled after hours?
Most haulers offer early or late service.
What happens if I skip pumping?
Backups, odors and fines from the city.
Which grease trap haulers will contact me?
Up to three independent grease trap haulers who serve Hackettstown and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.