Brown Friday: Why the Day After Thanksgiving Is So Busy for Plumbers

Thanksgiving is a time for family, food, and celebration. But for plumbers, the day after Thanksgiving is often the busiest day of the year.

Known as Brown Friday, the Friday after Thanksgiving brings a surge in plumbing service calls as homeowners deal with clogged kitchen sinks, backed-up sewer lines, and overflowing toilets.

According to Roto-Rooter's historical service data, the company receives approximately 50% more service calls on Brown Friday than on an average Friday. Across the four-day Thanksgiving weekend, calls increase by an average of 21% compared with typical Thursday-through-Sunday periods.

With Thanksgiving falling on November 26 in 2026, homeowners can take a few simple precautions before hosting guests to help prevent plumbing problems from disrupting their holiday.

What Is Brown Friday?

While shoppers know the day after Thanksgiving as Black Friday, plumbers have their own name for it: Brown Friday.

The nickname refers to the increase in plumbing problems that occur following Thanksgiving celebrations. Large holiday meals generate more food waste, while overnight guests increase demand on household plumbing systems.

For Roto-Rooter, the most common plumbing problems during the Thanksgiving holiday include:

• Clogged kitchen sinks and jammed garbage disposals: Often caused by grease, food scraps, and other cooking waste entering household drains.
• Main sewer line blockages: Existing obstructions can worsen when additional wastewater moves through the plumbing system.
• Clogged and overflowing toilets: More frequent use, combined with improper disposal of wipes and other materials, can lead to backups.

These problems often begin developing before Thanksgiving. A drain that was already partially obstructed may continue working until increased holiday use causes a complete blockage.

Why Is Brown Friday the Busiest Day for Plumbers?

Thanksgiving brings together several conditions that can create plumbing problems, even in homes that haven't experienced a recent clog.

Large Holiday Meals

Preparing and cleaning up after Thanksgiving dinner produces considerably more food waste than an average meal.

Unfortunately, many traditional Thanksgiving ingredients can cause problems when washed down the kitchen sink or placed in the garbage disposal.

Some of the biggest culprits include:

• Grease and cooking oils: Turkey drippings, fats, and oils may enter the drain as liquids but can cool and accumulate inside pipes, restricting water flow.
• Starchy foods: Potatoes, rice, pasta, and similar foods can form a thick, sticky mixture that contributes to drain blockages.
• Poultry bones and skin: Bones can damage or jam garbage disposals, while poultry skin can be difficult to break down and may contribute to clogs.
• Fibrous vegetables: Celery, corn husks, and other stringy food scraps can become tangled around garbage disposal components.

Even when the garbage disposal appears to be working normally, food waste can accumulate farther down the drainpipe.

Extra Guests

Thanksgiving often means a house full of relatives and friends, some of whom may be staying for several days.

More people using showers, toilets, sinks, and washing machines means more wastewater moving through the home's plumbing system.

While a properly functioning plumbing system should accommodate normal household use, the additional demand can expose problems that were already developing.

For example, a slow-draining shower that seems manageable during the week may become a bigger issue when several overnight guests need to use it.

Existing Sewer Line Problems

Sometimes the source of a Thanksgiving plumbing emergency isn't the kitchen sink or toilet itself. It's a blockage farther down the home's main sewer line.

Tree roots, grease buildup, accumulated debris, and deteriorating pipes can restrict the flow of wastewater through sewer lines.

When a partially blocked sewer line receives additional wastewater from holiday cooking, cleaning, showers, and toilet use, sewage may begin backing up into the home's lowest drains or plumbing fixtures.

Warning signs of a developing sewer line problem can include:

• Multiple fixtures draining slowly
• Gurgling noises from toilets or drains
• Water backing up into a shower or bathtub when another fixture is used
• Recurring clogs that return after clearing
• Unpleasant sewage odors around drains

If several fixtures are affected at once, the problem may be more serious than an isolated drain clog.

Thanksgiving Tips to Avoid a Brown Friday Plumbing Fiasco

Most homeowners would rather spend the holiday weekend relaxing with family than dealing with a clogged drain.

Fortunately, a few precautions during meal preparation, cleanup, and holiday hosting can help reduce the risk of plumbing problems.

1. Keep Grease and Cooking Oils Out of Drains

Never pour turkey drippings, cooking oils, or other fats down the kitchen sink.

Although grease may be liquid while hot, it can cool and cling to the inside of pipes, contributing to blockages over time.

Instead, allow grease to cool in a suitable container before disposing of it in the trash. Wipe greasy pans with paper towels before washing them.

2. Be Careful What Goes Into the Garbage Disposal

Garbage disposals are designed to handle small amounts of appropriate food waste, not everything left over after Thanksgiving dinner.

Avoid putting poultry bones, skin, potato peels, celery, and large quantities of starchy foods into the disposal.

Scrape plates into the trash or compost before rinsing them in the sink.

3. Use Your Garbage Disposal Properly

When using a garbage disposal, run cold water and feed in small amounts of suitable food scraps while the unit is operating.

Avoid filling the disposal with waste before switching it on.

Continue running water briefly after grinding to help move the processed material through the drain.

If the disposal jams or stops working, turn it off before investigating. Never place your hand inside the disposal.

4. Give Your Plumbing a Break Between Heavy Uses

When hosting overnight guests, try to avoid running several water-intensive appliances and fixtures at the same time.

Spacing out showers and laundry can help reduce peak demand on the home's drainage system, particularly if drains have already shown signs of slowing.

However, consistently slow drainage is a sign of an underlying issue and should not be ignored.

5. Remind Guests What Not to Flush

Toilets are designed to handle human waste and toilet paper, not household trash.

Wet wipes, including products labeled "flushable," paper towels, cotton swabs, and personal hygiene products can contribute to plumbing blockages.

Keep a wastebasket in each bathroom so guests have an appropriate place to dispose of these items.

6. Address Existing Plumbing Problems Before Thanksgiving

If you've noticed slow drains, recurring toilet clogs, gurgling pipes, or other warning signs, address them before holiday guests arrive.

A minor obstruction can become a complete blockage when the plumbing system experiences increased use.

Getting your local Roto-Rooter technicians to come inspect or clear a persistent clog before Thanksgiving may help prevent a more disruptive plumbing emergency during the holiday weekend.

What to Do if Your Drains Back Up on Thanksgiving

Even with careful preparation, plumbing problems can still happen during a holiday gathering.

Knowing what to do when a sink, toilet, or sewer line backs up can help prevent additional damage while you determine the next steps.

If your kitchen sink stops draining:

Stop running water into the affected sink and avoid operating the garbage disposal if it appears jammed. If the problem is isolated to one sink, a suitable sink plunger may help clear a minor blockage.

Avoid pouring chemical drain cleaners into standing water, particularly if you may need professional assistance.

If a toilet begins overflowing:

Stop flushing immediately. If necessary, turn off the toilet's water supply using the shutoff valve located near the base of the fixture.

A toilet plunger may clear a minor obstruction. If the toilet repeatedly backs up or other fixtures are affected, avoid continuing to flush.

If multiple drains begin backing up:

Stop using water throughout the house, including sinks, showers, toilets, dishwashers, and washing machines.

Multiple affected fixtures can indicate a blockage in the main sewer line. Continuing to use water may cause additional wastewater or sewage to enter the home through other drains.

Avoid contact with sewage-contaminated water and keep children and pets away from affected areas.

If the blockage persists, or if sewage is backing up into the home, contact a professional plumber rather than attempting repairs that could make the situation worse.

Need Emergency Plumbing Help During Thanksgiving Holidays?

Thanksgiving plumbing problems can range from a clogged kitchen sink to a main sewer line backup that affects multiple fixtures.

If you're experiencing recurring drain problems or suspect a more serious sewer line blockage, Roto-Rooter's professional drain cleaning and sewer cleaning services can help identify and address the source of the obstruction.

Roto-Rooter's historical service data shows that Brown Friday brings approximately 50% more service calls than an average Friday, making it especially important for homeowners to address developing plumbing problems before the holiday.

Whether you're preparing for guests or dealing with an unexpected blockage, recognizing the warning signs early can help you avoid additional damage and disruption.

Need help with a clogged drain or sewer line? Call your local Roto-Rooter service provider to learn about available plumbing and drain cleaning services.

FAQs on Brown Friday Plumbing Problems

Why is the day after Thanksgiving called Brown Friday?

The day after Thanksgiving is called Brown Friday because it is historically the busiest day of the year for plumbers. Plumbing service calls increase as homeowners deal with clogged kitchen drains, garbage disposals, toilets, and sewer lines following Thanksgiving celebrations.

What are the most common plumbing problems on Brown Friday?

The most common plumbing problems on Brown Friday include clogged kitchen sinks, jammed garbage disposals, main sewer line blockages, and overflowing toilets. These issues are often caused by grease and food waste entering drains, increased household water use, and existing drainage problems that worsen during the holiday.

Can Thanksgiving food damage my garbage disposal?

Yes, certain Thanksgiving foods can damage your garbage disposal or contribute to drain clogs. Turkey bones and other hard objects can jam or damage disposal components, while poultry skin, fibrous vegetables, and starchy foods can accumulate inside drainpipes. Dispose of most food scraps in the trash or compost rather than putting them down the sink.

How can I tell if my sewer line is clogged before Thanksgiving?

You can tell if your sewer line may be clogged before Thanksgiving by looking for warning signs such as multiple slow-draining fixtures, recurring clogs, gurgling noises, unpleasant sewage odors, or water backing up in one fixture when another is used. If you notice these symptoms, a professional sewer inspection can help identify the cause before increased holiday water use makes the problem worse.