How Much Does a Gnat Exterminator Cost? [2026 Data]

The average gnat exterminator cost is $200, with costs ranging from $150 to $250. Gnats pack an annoying punch for how tiny they are, and their strength in numbers makes them even more of a nuisance. If they won't go away, it’s time to bring in a professional gnat exterminator.

Gnats—a broad term that includes fungus gnats, fruit flies, midges, drain flies, and small house flies—are tiny flying pests that tend to congregate in large numbers. Although mostly harmless, gnats can be extremely hard to get rid of once they’re attracted to your home. If you’re ready to bring in a pro, this guide will help you plan your budget.

Gnat Exterminator Cost Factors

These are the main factors that will impact the cost of a gnat extermination.

Type of Treatment

Your gnat exterminator may offer different treatments at varying price points to get rid of gnats. The most common options are traps or spot treatments. To remove visible gnats, the expert may apply traps to lure and kill the pests in places where they seem to congregate. For more severe gnat infestations, they may apply chemical spot treatments to eliminate large groups of pests at a time. Then, the gnat professional will evaluate the best way to reduce or get rid of the gnat’s developmental sites to prevent future infestations.

Number of Treatments

Gnat exterminator visits cost $150 to $250 per treatment. If you need several treatments to eliminate the infestation, here’s what your budget could look like.

Gnat Exterminator Ongoing Expenses

Here are a few ongoing expenses to consider with your gnat exterminator cost.

Ongoing Treatment

Ongoing treatments from a pest control service cost around $40 to $70 per month or $100 to $300 quarterly. If gnats continue popping up, you may want to consider routine visits from a professional insect exterminator.

DIY Prevention

After your exterminator finishes up the treatment, it’s important to keep up with routine DIY prevention. Most methods are very inexpensive and mostly require your time and dedication for maximum effectiveness, such as the apple cider vinegar or bleach methods. Be sure that you remove items that attract gnats to your home, including open food and water sources, organic materials, perfumes, and scented candles.

Why You Should Hire a Gnat Exterminator Pro

If you have a serious gnat problem, consider hiring a local exterminator before the problem worsens. Gnat issues can be tricky to solve permanently, and the pros can offer help. 

Here’s Why It’s Ideal to Hire a Pest Control Pro

If gnats keep returning to your home, it’s time to call experts for advice. 

• Identification of tiny bugs can be difficult, but pest control can properly identify the type of flies and how to handle them. 

• Pros can inspect your home to find out what’s drawing in gnats.

• Pest control can suggest gnat-effective traps and where you should place them for the greatest effect. 

• The experts can identify habits that keep bringing gnats back, from bad irrigation practices to dishwasher issues.

If You Want to DIY 

Gnats have a bad habit of coming back just when you think they’re gone. If you want to DIY this task, there are several steps you can try:

• Consistently deep clean your home and remove trash frequently 

• Check for leaks or moisture from humidity and remove any exposed water sources. 

• Keep windows closed during the day and reinforce screens. 

• Clean out grime or food matter in your dishwasher, oven, and sinks. 

• Place traps around plants and other spots where gnats may be attracted. 

• Don’t overwater indoor plants. 

Cost of Common Gnat Exterminator Add-Ons

Unfortunately, one pest problem can lead to another. Since gnats are at the bottom of the insect food chain, an ongoing infestation can prompt larger pests to take up residence, too.

• Cost to eliminate termites: $230–$2,500

• Cost to exterminate bed bugs: $350–$5,000

• Cost to eliminate termites: $230–$2,500

• Cost to exterminate ants: $100–$500

• Cost to exterminate spiders: $100–$300

• Cost to exterminate wasps: $100–$1,300

• Cost to remove mosquitos: $70–$500

• Cost to exterminate cockroaches: $100–$600

• Cost to exterminate fleas: $150–$400

Tips to Reduce Your Gnat Exterminator Cost

The easiest way to save on treatments and future exterminator visits is to eliminate what attracted the gnats to your home in the first place. Here are a few tips to keep costs down:

• Before calling an exterminator, try to identify the source of the infestation. If it's a simple problem, such as overripe fruit or damp soil, you may be able to solve it on your own.

• Get multiple quotes from different insect exterminators to compare prices and find the best deal.

• Regularly clean your home and remove any open sources of moisture or food.

Most Common Household Insects Treated by Pest Control

Gnats are one of the less common household pests, making up only a portion of the 23.5% of pest control visits dedicated to miscellaneous insects. Cockroaches, on the other hand, account for nearly half of extermination visits.

How Angi Gets Its Cost Data

Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We extensively research project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We rely on reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects. 

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