Commercial drain cleaning services in California

Commercial kitchens and small businesses put heavy loads on a drain. Here is what that means for clogs, equipment and response, in general terms. For commercial drain cleaning services in California, we connect you with an independent local technician.

Last reviewed November 14, 2026

Get a Crew Out Today

Emergency calls answered around the clock.

Engineer adjusting pipeline valves, for commercial kitchen drains

Commercial drain cleaning in California: what is different about commercial lines

A restaurant or a commercial kitchen sends far more fat, food, starch and water down the drain than a home. A busy service puts a surge of dishwater into the line at once. Floor drains, prep sinks, dishwashers and sometimes mop sinks all share the line.

Commercial buildings often have larger pipes, more cleanouts and different layouts from houses. The same blockage that closes a home line in a month can close a restaurant line in a week.

This page covers the general picture. It is not a guide to any rules or inspections, and we do not address them.

Grease and food waste

Fat is the main enemy. It goes down warm and cools into a coating on the pipe wall. Starch from pasta and rice binds with it, and food solids catch on it. See kitchen grease clogs, which covers homes in more depth.

In a commercial kitchen, the coating builds faster and extends further along the line. It can affect floor drains, which back up first because they are low.

Scraping plates into the bin and wiping pans before washing reduce the load, but a busy kitchen still builds a coating over time.

Speak With Someone LocalStraight answers on the phone.

Signs of trouble

Slow floor drains. Standing water around a prep sink or a dishwasher. A sour smell from drains. A drain that clears with a cable and slows again within days.

A restaurant that notices drains slowing at the end of service and recovering overnight is seeing a partial restriction. One that sees water in a floor drain during service has a problem that will not wait.

Tell us how long this has been happening and when it is worst.

Why jetting is common

A cable bores through a coating. A jetter scours it. In a commercial line, with a thick layer of fat, jetting is often the right tool, because it cleans the full wall over a long run.

Commercial jobs often use a larger jetter with more hose and higher flow, which the technician brings.

A regular cleaning schedule is common for kitchens with a history of clogs.

Response and timing

A kitchen that cannot drain cannot operate, so timing matters. Emergency calls are taken, and someone answers 24 hours a day. We cannot promise an arrival time, which depends on distance and call volume.

Tell us your hours, so that the technician can plan to work outside service if possible.

If a backup has reached the dining area, stop using water, keep staff and customers away from it, and call.

Call and Ask About PricingAsk for the price before work begins.

Camera and layout

Commercial lines can be long and complicated, with several branches and an unknown history. A camera shows the layout, the material and the condition, and where the build-up is.

It can also show where a branch joins a main, which is a common place for grease to collect.

If the camera shows something beyond cleaning, the technician can explain what they saw and what options exist.

Other kinds of business

The same issues apply, with differences, to salons, laundromats, car washes, small offices and retail premises. Salons have hair and product residue. Laundromats have lint and soap in volume. Offices have shared restrooms and wipes.

Tell us what the business does and what goes down the drains. It helps the technician bring the right equipment.

Larger or special installations may call for specialist equipment, and the technician will say if that is needed.

Ask About a Camera InspectionUseful after a second clog in a year.

Habits that help

Scrape and wipe before washing. Use strainers on every sink and floor drain. Keep fat and oil in a container for removal rather than in the sink. Train new staff.

Do not rely on chemical or enzyme products to clear a coating. A mechanical clean is the reliable way.

A schedule of cleaning, informed by a camera, is more useful than waiting for the next backup.

What cleaning cannot do

Cleaning removes what is in the pipe. It does not change the pipe. We cannot promise that a line will not clog again, and cleaning does not fix a failing line.

We do not give advice on rules about grease, inspections or permits. The technician can describe what they see in the pipe.

A record of cleanings helps you see how fast the line fills.

What affects the cost

Commercial jobs are larger. The factors are the length and size of the line, the access, the equipment and the time of day. Jetting and a camera add equipment and time.

Evenings, weekends and holidays usually cost more, and a job outside service hours may cost more still.

Ask for the price before work begins, and the technician should explain any change before continuing.

A plan for a busy kitchen

The most useful thing a busy kitchen can do is plan. Have the line cleaned on a schedule instead of waiting for a backup, and choose a quiet time for it. A line that is jetted before it closes is a smaller, cheaper job than one that closes during service.

Use a camera once to see how the line is laid out and where fat collects. Ask the technician where the problem spots are, and note the distances. Share the footage with whoever manages the kitchen.

Review the schedule when the menu or the volume changes. A new fryer, a longer service or a bigger dishwasher changes the load on the line.

Habits for staff

A line is only as clean as the habits of the people using it. Show new staff where the strainers are, what goes in the grease container, and which drains are not for food waste. Keep floor drains clear and covered with a strainer, not a pan lid.

Wipe pans and plates before washing. Do not rinse fat down the sink with hot water. Do not pour fry oil into a floor drain.

Habits do not make a failing line sound, but they extend the time between cleanings and make each one smaller.

Before the technician arrives

Clear the area around the floor drains and the cleanout so the technician can work. Tell them which drains are affected, when the problem began and whether the dishwasher or the grease container is involved.

If you can, move the busiest part of service away from the affected area. Stop using the affected drains and keep staff away from any standing water.

Have the contact for whoever manages the building to hand, in case the cleanout is in a shared area. Mention any gates, alarms or locked rooms. It saves time, and for a business that cannot operate with a blocked line, time matters.

Working around opening hours

Most kitchens cannot stop serving while a drain is cleared, so timing is part of the job. Ask the technician whether work can be done before opening or after close, and mention any health inspection dates so the line is clear and documented ahead of them. A line that is cleared in the middle of a service can refill within hours if grease is still entering it.

Tell the technician what is running into the line: dish machine, prep sinks, floor sinks, mop sink and any grease interceptor. A backup that shows at the floor sink may start at the interceptor, and the fix is different. Keep the pump out or cleaning date for the interceptor on hand. Many owners also keep a simple weekly note of when drains slowed, because a pattern across weeks is the strongest evidence that scheduled jetting would cost less than repeated emergency calls.

Common questions

Why do restaurant drains clog so fast?

They carry far more fat, food and water than a home, and a coating builds quickly. Floor drains, being low, show it first.

Is jetting better than a cable for a kitchen line?

Often, because it scours the wall rather than boring through the coating. The technician chooses based on the line.

Can you work outside service hours?

Tell us your hours when you call. We connect you with a technician who can discuss timing, though we cannot promise an arrival time.

Do you advise on grease rules or inspections?

No. This site covers clearing and inspecting drains only. That applies to restaurant and commercial drain cleaning work as well.

Can a camera help a commercial line?

Yes. It shows the layout, the material, the build-up and where branches join.

Do you serve other businesses?

Yes: salons, laundromats, offices and others. Tell us what the business does.

How often should a commercial line be cleaned?

It depends on the kitchen and the line. A camera and your own history help set a schedule.

Can I get the price first for Restaurant and commercial drains?

Yes. Ask for the price before any work begins. If something changes once the technician starts, they should explain it and quote again. That applies to restaurant and commercial drain cleaning work as well.

Commercial drain cleaning in major California cities

We connect callers with independent technicians across the state. These are some of the larger cities we cover, or browse every area.

A line that cannot wait?

Tell us what kind of business it is and what is backing up.

Not Sure Which Line It Is? Call Us