How much does a gnat exterminator cost? The answer depends on the method of treatment and the level of infestation. Find out what plays into your budget.
How Much Does an Ant Exterminator Cost? [2025 Data]
Normal Range: $200 - $300
The average ant exterminator cost is $200 to $300, with most homeowners spending $250. Prices vary based on infestation size, location, treatment method, and frequency of service.
How we get this data
Photo: MoMo Productions / DigitalVision / Getty Images
Photo: MoMo Productions / DigitalVision / Getty Images
Highlights
Infestation size and treatment type are key ant exterminator cost drivers, with more severe problems requiring more intensive methods.
Barrier treatments are the most affordable at $80 to $150, while full-home fumigation is the most costly method, reaching as high as $4,000 in extreme cases.
Follow-up visits are often required to completely eradicate an ant infestation, and signing up for a regular service plan can result in long-term savings.
DIY methods may save money but carry a higher risk of incomplete removal, especially for severe or hidden infestations.
This article was created using automation technology and thoroughly fact-checked and edited by an Angi Editor in accordance with our AI policy.
Ant exterminator cost averages $250, with an average range from $200 to $300 for a standard home visit. Your final price depends on the severity of the infestation, the infestation location, and the treatment method chosen. Some exterminators charge per visit, while others offer discounted packages or annual service plans.
This guide will help you understand what drives ant exterminator costs and how to plan for a safe, pest-free home.
Ant Exterminator Cost Factors
Several factors influence how much pest control costs, including ant extermination. Let’s break down these cost drivers so you can better estimate your investment and choose the right service for your needs.
Treatment Method
The method used to eliminate ants has a major impact on cost. Baiting, spraying, barrier treatments, and fumigation each have different price tags, effectiveness, and durations. Baiting is effective for many species and less disruptive, while barrier treatments may be necessary for large or persistent infestations. Specialized treatments for carpenter ants or fire ants often cost more due to the products and expertise required.
| Method | Description | Average Cost |
|---|---|---|
| Baiting | Uses poison bait stations placed near trails or nests | $120–$200 |
| Barrier treatment | Chemical barriers around the home’s perimeter | $80–$150 |
| Mound treatment | Inserts chemical powder into mound; used on fire ants | $100–$250 |
| Fumigation | Whole-home treatment with gas; rare for ants | $1,300–$4,000 |
| Two-step method | Combined bait traps with mound treatment or spray | $500–$1,000 |
| Specialty (e.g., fire or carpenter ants) | Targeted treatment for invasive or wood-damaging species | $250–$500 |
Size
The size of the infestation and the area treated directly affect your ant exterminator costs. Small, localized problems are less expensive, while severe infestations or larger homes require more time and materials. Treating a single room is more affordable than addressing an entire property.
| Infestation Size | Description | Average Cost |
|---|---|---|
| Small | Isolated to one room or minor trail | $150–$300 |
| Moderate | Multiple rooms or moderate spread | $300–$700 |
| Severe | Whole-home, structural, or recurring issues | $800–$1,400 |
Frequency
The cost structure depends on how often you schedule ant extermination. One-time treatments are common for isolated incidents, but recurring service plans offer ongoing protection. Bundled or annual contracts may reduce the per-visit cost, especially if you live in an area with frequent ant problems.
| Frequency | Description | Average Cost per Year |
|---|---|---|
| One-time | Single treatment, no follow-up | $200–$300 |
| Monthly contract | Ongoing protection with regular visits | $900–$1,200 |
| Quarterly | Four visits per year | $400–$500 |
| Annual | Year-round coverage, often bundled | $100–$200 |
Materials
The chemicals, baits, and traps used in ant extermination also affect pricing. Standard insecticides and baits are usually included in basic services, while eco-friendly or pet-safe options cost more. Some brands or specialty products can also affect the final bill.
Labor
Ant extermination is performed by licensed pest control technicians or exterminators. Labor costs vary based on your region, the company’s reputation, and what’s included, such as inspection, follow-up visits, or satisfaction guarantees.
Flat-rate visits are more common for standard jobs, while severe infestations or specialty treatments may require additional hours or follow-up appointments.
Location
Where you live and where the ants are located within your home can influence ant exterminator cost. Urban areas or places with high demand often have higher prices. Treating ants in kitchens or living spaces is usually straightforward, but infestations in attics, basements, or exterior walls may cost more due to increased difficulty or access requirements. Local laws or permit requirements can also affect pricing.
| Location | Average Cost |
|---|---|
| Kitchen | $80–$300 |
| Attic/basement | $150–$600 |
| Floorboards | $150–$350 |
| Garage | $100–$600 |
| Lawn | $100–$500 |
| Under foundation | $175–$500 |
Tipping
Tipping for ant extermination services is not expected, but it is appreciated for exceptional work or if the technician goes above and beyond. If you choose to tip, $10 to $20 per visit is a reasonable amount. Alternatively, positive online reviews or referrals are a thoughtful way to show appreciation for quality service.
How Often Should You Schedule Ant Extermination?
The best frequency for ant extermination depends on your home’s risk factors and local ant populations. Many homeowners opt for a one-time treatment when an infestation appears, but in areas with recurring problems, quarterly or annual service plans offer peace of mind and ongoing protection.
If you notice ant trails, visible nests, wood shavings (from carpenter ants), or repeated sightings after DIY attempts, it’s time to call a professional. Seasonal peaks in spring and summer can bring new colonies indoors, so scheduling preventive treatments before these months can help control costs and prevent major infestations.
To reduce ant infestation recurrence, keep your home clean, fix water leaks, and seal entry points. Preventive maintenance can lower your long-term ant exterminator costs and minimize the need for costly emergency services.
Cost of Common Ant Exterminator Add-Ons
Ant exterminator services often include optional add-ons that can increase your total cost but provide added protection and convenience. Here are common upgrades and their typical price ranges:
Follow-up visits or retreatments: $40 to $120 per visit; ensures ants are fully eradicated and addresses any remaining activity.
Preventive barrier applications: $60 to $200; creates a chemical or physical barrier to stop new ants from entering.
Structural repairs for ant damage (especially carpenter ants): $200 to $2,000+; repairs wood, drywall, or insulation damaged by ants.
Inspection reports for real estate transactions: $75 to $200; provides documentation required for home sales or purchases.
Emergency or same-day service fees: $50 to $150 added to standard rates; for urgent infestations needing immediate attention.
Eco-friendly or pet-safe treatment upgrades: $175 to $325; uses products safe for sensitive households.
Sealing entry points or minor home repairs: $50 to $125 per hour; professional caulking, weatherstripping, or patching to prevent future invasions.
DIY Ant Extermination vs. Hiring a Pro
Many homeowners consider handling ant problems themselves to save money. DIY ant extermination costs are generally lower up front but come with trade-offs.
DIY expenses include baits ($10 to $40), sprays ($10 to $30), traps ($10 to $20), and protective gear ($10 to $30). You’ll also invest your time and effort, and success rates are lower for severe or hidden infestations. While DIY can work for minor, isolated problems, professional services offer greater effectiveness, warranties, and peace of mind.
DIY methods require research, safety precautions, and careful application. For large infestations, wood-destroying ants, or recurring issues, hiring a pro is the safest and most reliable option.
| Approach | Description | Average Cost |
|---|---|---|
| DIY | Homeowner purchases and applies baits, sprays, and traps | $30–$100 |
| Professional | Licensed technician performs inspection and full treatment | $80–$500+ |
Tips to Reduce Cost While Hiring an Ant Exterminator
Consider these cost-saving strategies to make ant extermination more wallet-friendly:
Schedule regular inspections to catch infestations early and avoid costly treatments.
Request bundled or annual service plans for discounts on recurring visits.
Compare quotes from multiple licensed ant exterminators in your area to find the best value.
Opt for targeted treatments instead of whole-home services when possible.
Maintain a clean home to reduce the risk of reinfestation.
Seal cracks and entry points to prevent future ant problems.
Ask about referral or loyalty discounts from your service provider.
Consider off-peak scheduling for potential savings during less busy seasons.
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.
Want to help us improve our cost data? Send us a recent project quote to [email protected]. Quotes and personal information will not be shared publicly.
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