Reviewed September 2026. | Read time: 6 min
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Grease trap cleaning can be profitable, but the margins depend on three things: what you charge per service, how many stops you fit in a day, and what you pay to dispose of the waste. None of those numbers are universal — they vary by region, trap size, and competitive density.
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This page uses real procurement records and contract data to show what the revenue side looks like, then walks through the operating costs that eat into it. No guaranteed income claims. No "six-figure" projections. Just the math, so you can run your own.
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What grease trap cleaners actually charge
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Pricing is local. But public procurement records give us real numbers that someone actually bid and won work at:
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Tarrant County, Texas — municipal contract bids (2023)
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Three companies bid on the same scope: pump and clean 1,000-gallon grease traps at county facilities.
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- Bid A: $190 per service
- Bid B: $250 per service
- Bid C: $550 per service
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Same trap size, same city, nearly 3× price spread. The gap tells you more than any average — pricing is set by local competition, not by a national rate.
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IDEA Public Schools, Texas — haul and disposal contract
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Per-gallon rates from a school district contract for grease-trap waste hauling and disposal:
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- Range: $0.20 to $1.95 per gallon
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At $0.20/gallon, a 1,000-gallon pump-out generates $200. At $1.95/gallon, the same pump-out generates $1,950. The spread reflects regional variation — IDEA operates schools across multiple Texas regions, and per-gallon rates differ by location.
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For more contract data and regional pricing, see the full grease trap cleaning cost guide.
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Revenue per day: a worked example
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A single-truck operator servicing standard restaurant grease traps can typically complete 4 to 8 stops per day, depending on trap sizes, access conditions, and drive time between locations.
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Using the middle of the Tarrant County bid range ($250 per service) and 5 stops per day:
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| Metric | Per day | Per month (22 working days) |
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| Gross revenue (5 stops × $250) | $1,250 | $27,500 |
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That is gross revenue before any expenses. Do not treat this as income. The operating costs below explain why.
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Operating costs that determine your actual margin
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Every dollar of revenue has costs deducted before you take anything home. The major categories:
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Disposal fees
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You cannot keep the waste. Every load must go to an authorized receiving facility, and they charge you — the hauler — by the gallon or by the load. These facility tipping fees vary widely by region, facility type, and local capacity. Some municipal wastewater plants charge relatively low per-gallon rates; private receiving facilities may charge more.
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Do not confuse facility tipping fees with what you charge your customers. The per-gallon rates in the revenue section above ($0.20 to $1.95) are what contractors charged a school district — that is revenue, not cost. Your disposal cost at the receiving facility is a separate, typically lower number. The spread between what you charge and what you pay to dump determines your gross margin.
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This is the number that makes or breaks the business. If your disposal cost per gallon approaches what you can charge per gallon, route density and sales effort will not save you. Call your intended receiving facility and get a current tipping fee before writing a business plan.
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Fuel
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Vacuum trucks are heavy and fuel-hungry. A loaded truck running a metro route covering 60 to 100 miles per day at 4 to 8 MPG burns 8 to 25 gallons of diesel. At $4.00/gallon, that is $30 to $100 per day in fuel alone. Rural routes with longer distances between stops cost more.
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Truck payment and maintenance
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If you financed a used vacuum truck at $60,000 over 5 years, the payment is roughly $1,100 to $1,300/month depending on rate. Maintenance on a vacuum truck — pump rebuilds, tank cleaning, hose replacement, general mechanical — adds another $300 to $800/month depending on age and usage. Budget for a major pump overhaul ($3,000 to $8,000) every 2 to 4 years.
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Insurance
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You need at minimum: commercial auto, general liability, and pollution liability. Workers' compensation if you have employees. Expect $800 to $2,500/month total depending on coverage levels, driving record, and jurisdiction. Pollution liability is the expensive line — it covers spills and disposal incidents.
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Licensing and permits
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Annual renewal fees for business licenses, waste hauler permits, vehicle registrations, and DOT compliance. Varies by state and municipality — budget $500 to $3,000/year.
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Everything else
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Phone, GPS, scheduling software, accounting, uniforms, PPE replacement, office costs, marketing. These individually small costs add up to $500 to $1,500/month.
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Putting the numbers together
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The math depends heavily on your local disposal cost. Below are two scenarios using the same revenue assumptions — 5 stops/day at $250/stop, servicing standard restaurant traps (average ~600 gallons pumped per stop, roughly 3,000 gallons hauled per day):
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Scenario A: favorable disposal cost
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| Line item | Monthly estimate |
|---|---|
| Gross revenue (5 stops × $250 × 22 days) | $27,500 |
| Disposal (illustrative $0.05/gal × 3,000 gal/day × 22) | −$3,300 |
| Fuel ($65/day × 22) | −$1,430 |
| Truck payment + maintenance | −$1,700 |
| Insurance | −$1,500 |
| Licensing, office, misc. | −$700 |
| Remaining cash (before omitted costs and tax) | $18,870 |
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Scenario B: high disposal cost
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| Line item | Monthly estimate |
|---|---|
| Gross revenue (same) | $27,500 |
| Disposal (illustrative $0.30/gal × 3,000 gal/day × 22) | −$19,800 |
| All other operating costs (same) | −$5,330 |
| Remaining cash (before omitted costs and tax) | $2,370 |
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Stop. Same revenue. Same truck. Same routes. The only difference is what the receiving facility charges — and it swings take-home by over $16,000/month. At a high enough disposal rate, the business is underwater entirely.
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This is why there is no honest universal answer to "is grease trap cleaning profitable?" It depends almost entirely on three local variables:
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- What you can charge per service (driven by competition and trap sizes in your market)
- What the receiving facility charges you to dump the waste
- How many stops you fit per day (route density)
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The disposal rate is the one most operators underestimate or never verify. Call your local facility before writing a business plan.
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When grease trap cleaning IS profitable
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The operators who make money reliably share a few characteristics:
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- Dense routes: more stops per day with less drive time between them. 6 to 8 stops per day in a tight metro area versus 3 to 4 in a spread-out suburban territory.
- Low disposal costs: either through a nearby receiving facility with competitive rates, or by also collecting used cooking oil from restaurant fryers on the same routes — the oil has resale value to renderers and offsets disposal costs.
- Recurring contracts: monthly or bimonthly service agreements that lock in predictable revenue and allow route optimization. One-off emergency calls pay more per visit but cost more per mile.
- Right-sized equipment: a truck matched to the work. An oversized truck on small under-sink traps wastes fuel; an undersized truck on large interceptors wastes time on extra dump runs.
- Ancillary revenue: some operators supplement cleaning income with used cooking oil collection (the oil has resale value to renderers), maintenance contracts, or compliance documentation services.
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The used cooking oil angle
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Several operators run both grease trap cleaning and used cooking oil collection on the same routes. The economics are different: restaurants generate fryer oil continuously, the oil has commodity value (yellow grease trades at published per-pound rates), and the collection equipment is simpler than a vacuum truck.
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If you are evaluating the grease trap cleaning business, it is worth understanding the cooking oil side too. See How a Used Cooking Oil Collection Business Works.
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Before you write a business plan
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The single most important research step is getting a real disposal rate from the receiving facility you would actually use. Call them. Ask what they charge per gallon for hauled grease-trap waste, what hours they accept deliveries, and whether there is a minimum load. Everything else in your financial model flows from that number.
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For a step-by-step planning framework, see Starting a Grease Trap Cleaning Business: The Complete Guide.
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Frequently asked questions
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How much does a grease trap cleaning business make per year?
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There is no honest universal answer. Revenue depends on service price, stops per day, and working days. Operating profit depends on disposal costs, fuel, insurance, and truck payments. A single-truck operator in a favorable market (high service prices, low disposal costs, dense routes) can clear $60,000 to $120,000/year before taxes. An operator in an unfavorable market (low prices, high disposal costs, sparse routes) can lose money. Build your own model with local numbers.
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What is the profit margin on grease trap cleaning?
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Gross margins (revenue minus disposal) range from negative to 60%+ depending entirely on the service price vs. disposal cost spread in your area. Net margins (after fuel, insurance, truck payment, everything) for profitable operators are typically in the 15% to 35% range. The operators on the high end have dense routes, low disposal costs, and recurring contracts.
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Is it better to start with grease trap cleaning or used cooking oil collection?
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They have different economics. Cooking oil collection has lower equipment costs (smaller tanks, no vacuum pump needed) and the collected oil has resale value. Grease trap cleaning has higher equipment costs but higher per-service revenue and is driven by regulatory compliance (customers must have it done). Many successful operators run both on the same routes. If capital is limited, cooking oil collection has a lower barrier to entry.
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Official sources
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- U.S. EPA: National Pretreatment Program — Hauled Waste
- OSHA: Grease Trap Hazards
- FMCSA: Commercial Driver's License
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Planning to start a grease trap service? List your business on GreaseTrapLocator.com for free — restaurant owners search for local contractors here.
Find local contractors who handle cleaning, pumping, and FOG compliance — in your area.