How Much Does Silverfish Extermination Cost? [2026 Data]

In 2026, the national average cost for silverfish extermination runs $400 per visit. Most homeowners spend between $200 and $700, with the spread driven by infestation severity, treatment method, and home size. For serious infestations requiring fumigation, costs can reach $3,000.

Silverfish Extermination Cost Factors

Several key variables shape what you'll pay for silverfish extermination, and understanding them helps you plan a realistic budget before calling a pro.

Home Size

Home size has a modest effect on silverfish treatment pricing, with some exterminators charging around $25 for every extra 1,000 square feet beyond 1,500 square feet. If you only need to get rid of silverfish in a bathroom or another small area, your costs will stay toward the lower end of the range. Costs vary by home size as shown below.

Infestation Severity

Infestation severity is one of the strongest cost drivers for silverfish treatment, with minor cases running $150 to $300, moderate infestations reaching $200 to $700, and severe infestations requiring whole-home fumigation costing as much as $3,000. Costs vary by severity level as shown below.

Number of Visits

How often you schedule treatments directly affects your per-visit cost, with one-time or annual visits averaging $200 to $700. Opting for monthly or quarterly service can lower your per-visit rate to $100 to $500 per visit, making recurring plans a practical choice for ongoing prevention. Costs vary by visit frequency as shown below.

Treatment Method

The treatment method your exterminator recommends is a primary cost driver, with standard pyrethrin-based pesticides used in most silverfish extermination jobs averaging $200 to $700. Diatomaceous earth is a more natural, budget-friendly alternative ranging from $150 to $600 depending on the area treated. Whole-home fumigation cost runs $2,000 to $3,000 and is reserved for the most severe infestations. Costs vary by treatment method as shown below.

How Often Should You Treat a Silverfish Infestation?

For silverfish extermination, it's a good idea to schedule treatments every three to six months, depending on the severity of the infestation. Along with scheduling periodic visits from a professional exterminator, regularly inspecting your home for signs of a silverfish infestation. Applying preventive treatments like diatomaceous earth can help prevent these pests from returning.

Cost of Common Silverfish Extermination Add-Ons

Most professional exterminators can treat a wide variety of pests. If you’re dealing with any other types of infestations, bundling multiple treatments into one visit can save on your total costs. Here are some common add-on pest treatments:

• Cost to exterminate ants: $100 to $500

• Cost to remove bats: $230 to $700

• Cost to exterminate cockroaches: $100 to $600

• Cost to eliminate termites: $250 to $1,000

• Cost to exterminate bed bugs: $1,000 to $4,000

• Cost to remove gnats: $150 to $250

• Cost to exterminate spiders: $100 to $500

• Cost to exterminate fleas: $100 to $400

• Cost to exterminate wasps: $300 to $700

• Cost to exterminate rodents: $180 to $600

• Cost to remove spotted lanternfly: $200 to $600

• Cost to remove mosquitos: $350 to $500

• Cost to remove beehives: $150 to $500

• Cost to remove snakes: $130 to $600

• Cost to remove armadillos: $175 to $500

Why You Should Hire an Exterminator

Eliminating silverfish sounds like a DIY cinch until you realize they tuck themselves into tiny spaces and reproduce with surprising enthusiasm. And while the sprays and powders you picked up at the local hardware store might help for a bit, they typically won't resolve the issue. A local exterminator will pinpoint the problem, treat it properly, and keep the pests from making a comeback.

Here's why it's ideal to hire a silverfish extermination pro

Treating an infestation correctly takes precision, strategy, and the right products. Hiring a pro offers clear advantages because they can:

• Locate nesting areas that homeowners often overlook

• Select safe, targeted treatments suited to your home and infestation level

• Apply products correctly for long-lasting results

• Spot moisture issues or entry points that attract silverfish

• Schedule follow-ups to ensure the infestation is gone

• Bundle treatments to tackle other pests while they are on-site

• Reduce the risk of overusing or misusing pesticides

If you want to DIY a silverfish extermination

Homeowners can take on some prep and maintenance tasks that help keep silverfish under control between professional visits, including:

• Reducing humidity by using dehumidifiers or improving ventilation

• Sealing cracks and gaps around baseboards, pipes, and cabinets

• Decluttering storage areas and removing cardboard boxes that attract pests

• Cleaning damp rooms, including bathrooms and basements, regularly

• Monitoring hotspots and noting signs of increased activity before your pro arrives

Ways You Can Save Money on Silverfish Treatment

If you’re looking to save on your silverfish extermination cost, here are some of the best strategies:

1. Shop around and get multiple quotes: When hiring a professional exterminator, get at least three quotes and compare service packages before committing.

2. Reduce indoor humidity: Consider using a dehumidifier to keep humidity levels below 50%, which makes your home less attractive to silverfish.

3. Seal cracks and crevices: Prevent more insects from getting in by sealing cracks and crevices with caulk or weatherstripping.

4. Try DIY solutions for minor infestations: If you’re only seeing a few silverfish here and there, consider using DIY treatments like diatomaceous earth or simple traps.

5. Opt for regular inspections: Schedule periodic pest inspections to help catch silverfish issues early, preventing expensive emergency treatments and keeping pest control costs manageable.

6. Bundle services for discounted rates: If you already use pest control for other common pests, adding silverfish to your plan can often result in a discount.

Most Common Household Insects Treated by Pest Control

Nearly half of all pest control visits focus on eradicating cockroaches. Silverfish and less common pest problems account for 23.5% of exterminator 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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