How much does a drain fly exterminator cost?

Author: Lia Berge  |  Last update: Monday, June 2, 2025

The average cost for drain fly pest control services is $200. However, the price can range from as low as $100 to $500 in some cases, depending on the severity of the infestation and the size of the area that needs to be treated.

Can an exterminator get rid of drain flies?

Yes, a professional exterminator can help get rid of flies. They have the expertise and tools to identify the type of flies infesting your space and can implement effective strategies to eliminate them. This may include: Inspection: Assessing the extent of the infestation and identifying breeding sites.

How do I permanently get rid of drain flies?

Apple cider vinegar with a drop of dish soap: leave in a shallow plate or bowl (I used a tiny fish bowl from thrift store) near drains to catch those flying around. They will fly in and drown. Replace every day or every other day as needed.

How long does a drain fly infestation last?

Learn the Pest Biology

Knowing the life cycle helps you fight fly infestations. Life Cycle: Adult females lay 30–100 eggs in sludge around sewage and drainage areas. Eggs hatch in 32–48 hours, larval stage lasts 8–24 days, pupal stage 20–40 hours. Adults live about two weeks.

How much does it cost to get rid of drain flies?

The average cost for drain fly pest control services is $200. However, the price can range from as low as $100 to $500 in some cases, depending on the severity of the infestation and the size of the area that needs to be treated.

Drain Flies: Plumber or Exterminator? Which is Best?

Do I need a plumber to get rid of drain flies?

Pest Control

The goal is to eliminate their breeding site. The most effective method for doing this is to call a plumber and have them mechanically clean the pipes of the slime and organic material that tends to collect in the pipes and drains.

What smell do drain flies hate?

Peppermint, eucalyptus, and tea tree oils are especially beneficial. Pour a few drops of the chosen oil with water down the toilet. The oils' pungent aroma repels drain flies and disturbs their breeding cycle. To keep the solution effective, reapply it every few days.

What is the best drain fly killer?

Most Effective Products
  • Aerosol. Pyrid Insecticide Aerosol. 18 Ounce Can. As low as $27.99.
  • Ready-To-Use. Forid Drain Gel Cleaner. 64 Ounce. As low as $65.44.
  • Aerosol. Gentrol Aerosol Insect Growth Regulator. 16 Ounce. As low as $17.45.

Can you pour boiling water down the drain?

Pouring boiling water is quite risky as it might lead to a steam burn or scalding. Another thing to keep in mind is what type of material you are pouring in into. If you have a porcelain sink, it is likely to crack due to the heat. All in all, pouring boiling water down your drain will only cause issues down the road.

Are exterminators worth it?

Engaging a professional pest control service may come with a higher upfront cost, but it's an investment that can pay dividends in the long run. These experts can access highly effective tools and treatments and are able to conduct an in-depth assessment of your unique pest problem.

Can Orkin get rid of drain flies?

They will live about 20 days, but will have no place to lay eggs to continue their life cycles. Your local Orkin Pro is trained to help manage drain flies and similar pests. Since every building or home is different, your Orkin Pro will design a unique fly treatment program for your situation.

When should I call an exterminator for flies?

If new flies start to replace the flies you're swatting or you are dealing with more flies than you can swat, it may be time to call a professional.

How to find a drain fly nest?

Look for potential breeding spots near drains or other sources of standing water. If you're unsure which drain is the source, line a clear plastic cup with a very light coating of vegetable oil or petroleum jelly and invert over the suspected drain for several days.

Does pouring bleach down the drain get rid of drain flies?

The simple answer is yes but with a caveat. While bleach can kill drain flies and their larvae on contact, it's not the most effective method for long-term control. Bleach's caustic nature allows it to clean the drain pipes and kill some of the larvae.

Why do I suddenly have drain flies?

Drain flies are most often the result of a clog in a drain or sewer line, it doesn't matter if it's buildup, a soft clog or a hard clog – it just needs to limit the flow of wastewater, causing it to become stagnant and a breeding ground for bacteria.

How do I get rid of drain flies forever?

Mix together 1/2 cup of salt, 1/2 cup baking soda and 1 cup of vinegar. Pour the mixture down the drain. Let sit overnight, then flush the drain with hot water in the morning.

What are drain flies most attracted to?

These pesky creatures are attracted to decaying organic matter that accumulates in our pipes and drains.

Does Green Gobbler work on drain flies?

This Green Gobbler stuff really does work. The drain flies were gone in one day. 32oz was barely enough for all the drains in my home for one application. I ended up using two bottles and while the fruit fly population dwindled for a week or so, it exploded back to where it was before I used Green Gobbler.

Does pine sol keep flies away?

Create a fly and wasp repellent.

This DIY pest repellant should be a staple in the Southern home. Pour equal parts water and Pine-Sol in a spray bottle to spritz on outdoor furniture, the deck, and indoor areas where flies are most likely to flock, such as kitchen countertops.

Will Drano stop drain flies?

If your drain fly issue persists, consider using commercial drain cleaners such as Drano. These solutions are formulated to clear out the drains and pipes effectively, removing any debris that might serve as a breeding spot for drain flies. Using these products can aid in preventing new eggs from hatching.

Can I pour bleach down the sink to get rid of smell?

Bleach is highly effective in killing bacteria and other microbes causing the foul smell. However, it should be used sparingly to avoid damage to your plumbing system.

Should I call an exterminator for drain flies?

Clean suspected drains with a commercial drain cleaner, and scrub the drain pipe vigorously with a long-handled brush. After their breeding sites have been eliminated, the reproductive cycle is disturbed. If you experience difficulty ridding your home of adult sewer flies, contact your local pest control professional.

Does pouring boiling water down the drain help with gnats?

Clean Your Drain

Boiling Water: Pour boiling water down your drains to wash away gnats and their eggs. Baking Soda Solutions: Use a mixture of salt, baking soda, and white vinegar to foam away bacteria in your pipes. Chemical Cleaners: For intense infestations, consider using a chemical cleaner like Drano.

Do drain flies mean your septic tank is full?

Drain flies, also known as sewer gnats, feed and lay eggs on decaying organic matter. So, an overfull septic tank provides a breeding ground for these little pests. They are only about ⅛ of an inch big, but you will notice them hovering around bathtubs, sinks, and showers.

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