Knowing how to choose a restaurant cleaning service starts before you call anyone. It starts with writing down what you need cleaned, how often, and by whom. The biggest mistake operators make is assuming one contract covers the whole building. It doesn’t. Janitorial, kitchen deep cleaning, exhaust hood cleaning and grease trap pumping are four separate trades with four separate licences, and a nightly janitorial crew touches maybe half of what your kitchen actually needs.
That gap gets wider if you run delivery or takeout. A dining room that seats 60 has predictable cleaning zones. A kitchen that also packs 200 delivery orders a week has a packing bench, a staging shelf, a hand-off door and a stack of insulated bags, none of which appear on a standard restaurant cleaning scope unless you put them there.
This guide covers how to scope the work, how to vet providers, and how to decide what stays with your own staff. For the money side of the decision, see our breakdown of what restaurant cleaning services cost per visit and per month.
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The Bottom Line
- Write your scope of work first, zone by zone, before you request a single bid. The scope is what you’re actually buying.
- Janitorial, deep cleaning, hood cleaning and grease trap service are four different trades. One vendor may subcontract all four, but you should know which is which.
- Exhaust hood cleaning frequency is set by fire code, not by preference. NFPA 96 requires monthly service for solid-fuel operations, quarterly for high-volume, semiannually for moderate volume and annually for low-volume kitchens.
- Food-contact surfaces stay with your staff. Under the FDA Food Code, surfaces in continuous use with temperature-controlled foods must be cleaned and sanitized at least every four hours, which a nightly contractor cannot meet.
- If you deliver, add the packing bench, staging shelf, hand-off door and insulated bags to the scope explicitly. They are almost never included by default.
- Run a 30-day trial with a written checklist and sign-offs before you agree to a 12-month term.
What a restaurant cleaning service actually covers
A standard restaurant janitorial contract is a floors-and-surfaces contract. Typically it includes dining room floors, tables and chairs, restrooms, entry glass, trash removal, high-touch point sanitizing and light dusting. In the kitchen it usually covers floors, accessible surfaces, sinks and drains.
What it usually does not include, unless written in separately:
- Equipment interiors: fryer vats, oven cavities, combi interiors, ice machine interiors
- Heavy degreasing behind and under the cook line
- The inside of the exhaust hood, ductwork and rooftop fan
- Grease trap or interceptor pumping
- Walk-in cooler and freezer deep cleaning
- Pest control
That list is where most disputes come from. An operator assumes “kitchen cleaning” means the kitchen gets clean; the contract says the crew wipes accessible surfaces and mops. Both parties are reading the same document and getting different answers, which is why the scope of work matters more than the hourly rate.
Janitorial, deep cleaning, hood cleaning and grease traps are four different trades
These get bundled in conversation and separated in practice. Understanding which is which tells you how many vendors you need and which ones carry legal obligations you can’t delegate away.
| Trade | What it covers | Typical frequency | Who performs it |
|---|---|---|---|
| Nightly janitorial | Floors, front of house, restrooms, trash, accessible surfaces | Nightly to weekly | General commercial cleaning crew |
| Kitchen deep cleaning | Degreasing equipment exteriors and interiors, walls, floor drains, behind the line | Monthly to quarterly | Specialist food-service cleaners |
| Exhaust hood cleaning | Hood interior, filters, ductwork, rooftop fan | Set by NFPA 96 tier | Certified kitchen exhaust cleaners |
| Grease trap service | Pumping and disposal of interceptor contents | Varies by local code and trap size | Licensed liquid waste haulers |
Two of these are compliance obligations rather than housekeeping choices. Exhaust hood cleaning is governed by NFPA 96, and a certificate showing the date of service has to be kept on the premises. Grease trap pumping requires a licensed hauler with manifests. If a general janitorial company offers to handle either one, ask who actually performs the work and ask to see the certification.
The fire risk is the reason the code is prescriptive. NFPA data reports an annual average of roughly 7,410 structure fires in eating and drinking establishments, with cooking equipment the leading cause and cooking oils or grease the first material ignited in about 43% of them.
Write your restaurant cleaning scope of work before you request bids
A scope of work written by the vendor is a scope written to be cheap to deliver. A scope written by you is a scope written to be checked. Build it zone by zone, because your zones fail in different ways.
Walk the building with a notepad and list, for each zone, the surfaces, the frequency and who signs it off:
- Cook line: degrease equipment exteriors, floors scrubbed and degreased, drains flushed, wall behind the line wiped
- Prep area: food-contact surfaces cleaned then sanitized, shelving, under-counter refrigeration exteriors
- Dish pit: dish machine interior and exterior, scale and lime treatment, floor drains
- Walk-ins: shelving, floors, door gaskets, condenser coil dusting
- Front of house: floors, tables and chairs, entry glass, window sills, light fixtures, booth seams
- Restrooms: fixtures disinfected, floors, mirrors, restocking if included
- Bar: floor mats, drains, the sticky zone under the speed rail
- Packing and staging: covered below, and the zone most operators forget
Then add an exclusions list. Writing down what is not included prevents the change orders that arrive three months in, and it lets you compare two bids that look different on paper but cover the same work.
The delivery and takeout zones most cleaning scopes leave out
If orders leave your building in a bag, you have cleaning surface area that a dine-in-only restaurant doesn’t. Standard restaurant cleaning services are scoped around a dining room and a cook line. The delivery side is invisible to them unless you name it.
The packing bench. This is a food-contact-adjacent surface that sees open containers, lids, sauce cups and hands all night. It needs the same clean-then-sanitize treatment as a prep table, on the same four-hour cycle during service, which means it belongs to your staff, not a nightly crew. What the contractor should cover is the end-of-night degrease and the area underneath.
The staging shelf or rack. Bagged orders sit here waiting for pickup. Spills happen, and they sit. Shelving gets written into deep-clean scopes easily; ask for it by name.
The hand-off door and vestibule. If couriers come in through a side door, that threshold sees outdoor footfall every few minutes during a rush. It’s a floor-cleaning zone with dine-in traffic volume and no dine-in expectations attached to it. Put it in the nightly floor scope.
Insulated delivery bags and thermal totes. These almost never appear in a janitorial contract and they’re the item most likely to fail an inspection. They should be emptied, wiped inside and out with a food-safe cleaner, and left open to air dry overnight. Harsh chlorine solutions degrade the insulation and leave residue, so use a mild detergent or a diluted sanitizer rated for food-contact use, and rotate bags so there’s always a dry one in service.
Tamper-evident sealing supplies. Not a cleaning item, but it lives in the same zone and it’s worth auditing at the same time. Several states now require ready-to-eat orders to be sealed with a tamper-evident method before a third-party driver takes possession. California’s AB-3336 has required it since January 2021. Stickers and sealed bags are the accepted methods; staples near open food are not.
In-house vs outsourced restaurant cleaning: how to split the work
This is rarely all-or-nothing, and framing it that way leads to a worse answer. Most operations run a hybrid, and the dividing line is usually regulatory rather than financial.
Keep in-house: anything on a during-service cycle. Food-contact surfaces, cutting boards, slicers, the packing bench, sanitizer bucket changes, temperature logs. The Food Code’s four-hour rule for continuously used surfaces makes these a staffing question, not a vendor question. Closing duties like wiping the line, breaking down the fryer baskets and running the dish machine cleaner also stay with the crew that was already there.
Outsource: anything that needs specialist equipment, certification, or hours your team shouldn’t be working. Overnight floor scrubbing, quarterly degreasing, hood cleaning, grease trap service, floor stripping and refinishing, window cleaning.
The honest case for outsourcing the nightly work isn’t that it’s cheaper per hour. Often it isn’t. It’s that you stop paying payroll taxes, workers’ compensation, turnover costs and supply restocking on a role with high churn, and you stop asking a closing cook to scrub floors at 1 a.m. The honest case against is that you lose direct control and gain a vendor-management job, which is only worth it if the scope and the sign-offs are tight.
Questions to ask a restaurant cleaning company before you sign
Vet on food-service specificity. Plenty of good commercial cleaners have never worked in a kitchen, and it shows in the first month.
- Do you currently service restaurants, and can I contact two of them?
- Are your staff trained on HACCP principles and food-contact surface protocols?
- What chemicals do you use, and are they EPA-registered and food-safe for the surfaces in my kitchen?
- Do you use colour-coded tools to prevent cross-contamination between restrooms and food areas?
- Who supplies chemicals, equipment and consumables, you or me?
- Are your workers employees or subcontractors, and can I see your certificate of insurance and workers’ compensation coverage?
- What’s your process when something is missed, and how quickly do you respond?
- Do you provide a checklist sign-off, supervisor inspections or photo verification?
- What’s the cancellation clause, and what notice do I need to give?
- Will the same crew service us each night, or does it rotate?
That last one matters more than it sounds. A rotating crew never learns where your floor drains are or which equipment shouldn’t be sprayed, and consistency is most of what you’re buying.
How to compare restaurant cleaning bids fairly
Three bids that quote three different scopes are not comparable, and vendors know it. Normalise before you compare:
- Send every vendor your scope document, not a description of your restaurant. Ask them to price that scope.
- Ask for the price broken out by service line (nightly, periodic deep clean, and any specialist work) rather than one monthly number.
- Get the add-on fee list in writing: chemicals, consumables, holiday coverage, emergency call-outs, equipment rental.
- Ask what a change order costs, because that’s where the quoted price and the invoiced price separate.
A detailed scope reportedly prevents 10% to 20% in annual overruns from change orders, which is usually a larger number than the gap between the bids you’re agonising over. Our restaurant cleaning cost guide walks through the per-visit, per-square-foot and monthly benchmarks so you can tell an aggressive bid from an unrealistic one.
Credentials and insurance to verify before the first shift
Ask for documents, not assurances. Specifically:
- A certificate of insurance naming your business as additional insured, with general liability and workers’ compensation
- Proof of certification for any exhaust cleaning, plus the service certificate they’ll leave on site
- Licence and manifest documentation for grease trap hauling
- Safety data sheets for every chemical that will be used in your building
- Background check policy, since crews work unsupervised overnight with keys and alarm codes
If a vendor is slow to produce a certificate of insurance, that’s the answer to several other questions at once.
Run a 30-day trial before committing to a term
Long contracts are where a mediocre vendor becomes a permanent problem. Ask for a 30-day trial or a 60-day out clause on a first contract.
During the trial, keep it measurable. Use your own checklist rather than theirs, do a walkthrough twice a week at opening rather than at close, and photograph the three zones that matter most to you, usually the cook line floor, the dish pit drains and the restrooms. Log what’s missed. At day 30 you’ll either have a vendor worth a year or a clear, documented reason to move on.
Frequently asked questions
How often should a restaurant hire a professional cleaning service? Nightly for floors and front of house in most full-service operations, with a deeper professional clean monthly to quarterly depending on cooking volume. Hood cleaning follows the NFPA 96 tier that matches your equipment, not a schedule you choose.
Can one company handle all of my restaurant’s cleaning? Often yes, through subcontractors. Ask who actually performs the hood and grease trap work and verify their credentials separately. The bundling is a billing convenience, not a single licence.
Does a cleaning service handle food-contact surfaces? It shouldn’t be your primary control. Food-contact surfaces need cleaning and sanitizing during service, at least every four hours in continuous use, which is a job for staff on shift. A contractor supplements that; it doesn’t replace it.
What should I clean myself if I run delivery orders? The packing bench, insulated bags and staging shelf during and immediately after service. Those surfaces turn over too fast for a nightly crew to be the control point, and they’re the ones an inspector looks at when your takeout volume is visible from the dining room.
Is outsourcing restaurant cleaning cheaper than in-house staff? Sometimes, and the comparison has to include payroll taxes, benefits, supplies, equipment and turnover, not just the hourly rate. The stronger argument is consistency and specialist equipment rather than raw cost.
