Looking for a grease trap service in Oshkosh, WI? Describe your project once and up to three grease trap haulers who work in Oshkosh and Winnebago County get back to you with a quote. It's free and there is no obligation.
Oshkosh is home to about 67,242 people (2024 Census Bureau estimate), a stable community (+0.5% since 2020). With 2,441 people per sq mi, it is a suburban area. Restaurants and commercial kitchens here must follow the local fats, oils and grease program.
Oshkosh at a glance
- Population (Census Bureau estimate, 2024)
- 67,242 (+0.5% since 2020)
- Rank in Wisconsin
- 9th of 607 cities and towns
- Land area
- 28 sq mi
- Population density
- 2,441 people per sq mi (suburban)
- Type
- City (Oshkosh city)
- Main county
- Winnebago County
What to check before hiring in Oshkosh
- FOG program: check Oshkosh'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 Oshkosh
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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 Oshkosh
How much does grease trap pumping cost in Oshkosh, WI?
It depends on trap size, frequency and access. Describe your kitchen: haulers who serve Oshkosh 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 Oshkosh 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.