Silverfish extermination costs a published national average of $400, with a published range of $200 – $700 – figures Angi, HomeAdvisor, and Fixr all publish.1,2,3 Angi and HomeAdvisor are corporate siblings; Fixr publishes separately, and the pages state no shared sourcing. Angi and HomeAdvisor frame their average as a per-visit price. Fixr (updated January 2025) scopes its $400 average to treating a moderate infestation in a 2,000 sq.ft. home with diatomaceous earth and a follow-up visit, with a $150 low end (single-room insecticide visit) and a $9,000 high end (severe infestation in a 3,500 sq.ft. home by fumigation).3 The siblings put severe infestations requiring fumigation at up to $3,000.1,2 Where the publishers’ figures differ in scope or basis, they are presented separately below. Prices are national averages*.

*National averages, not local quotes. Your price depends on infestation severity, treatment method, home size, and visit frequency.

$400

published average (all three sources)

$200 – $700

published range (all three sources)

$2,000 – $3,000

fumigation (Angi/HomeAdvisor)

$9,000

high end, 3,500 sq.ft. fumigation (Fixr)

What the sources say

Source Headline figures Notes
Angi (2026 data, updated Oct 2026) $400 average per visit; most homeowners spend $200 – $700; severe fumigation to $3,000 Corporate sibling of HomeAdvisor
HomeAdvisor (2026 data, updated Jun 2026) $400 average per visit; normal range $200 – $700; minimal infestations from $150; severe fumigation to $3,000 Sibling-published figures match Angi’s
Fixr (updated Jan 2025) $400 average scoped to a moderate infestation in a 2,000 sq.ft. home; average range $200 – $700; low $150; high $9,000 (3,500 sq.ft. fumigation) Separately published, pages state no shared sourcing; the matching average and range with the siblings is noted, not treated as corroboration

Cost by treatment method

Angi and HomeAdvisor publish an identical method table (matching sibling figures). Fixr prices methods per visit for a 2,000 sq.ft. home:1,2,3

Method Angi & HomeAdvisor Fixr (2,000 sq.ft. home)
Pesticide (pyrethrins) $200 – $700 $150 – $300
Diatomaceous earth $150 – $600 $200 – $400
Fumigation $2,000 – $3,000 $2,000 – $6,000

The publishers’ per-method figures differ throughout, and Fixr’s are scoped to a 2,000 sq.ft. home, so the columns are not directly comparable.1,2,3

Cost by home size

Angi and HomeAdvisor publish an identical size table (matching sibling figures); both note some exterminators charge around $25 for every 1,000 sq.ft. beyond 1,500 sq.ft. Fixr prices treatments with pesticides or diatomaceous earth by home size:1,2,3

Home size Angi & HomeAdvisor Fixr (pesticide or DE treatment)
1,000 sq.ft. $200 – $700 $100 – $350
1,500 sq.ft. — $150 – $525
2,000 sq.ft. $225 – $725 $200 – $700
2,500 sq.ft. — $250 – $875
3,000 sq.ft. $250 – $750 $300 – $1,050
3,500 sq.ft. — $250 – $1,225
4,000 sq.ft. $275 – $775 —

Fixr also prices treatments at $0.10 – $0.35 per sq.ft.3

Cost by infestation severity

Angi and HomeAdvisor publish an identical severity table (matching sibling figures); Fixr publishes its own levels:1,2,3

Severity Angi & HomeAdvisor Fixr
Minor / small $150 – $300 $150 – $400
Moderate / medium $200 – $700 $280 – $700
Severe / large $500 – $3,000 $600 – $8,000

The severe-tier figures differ widely between the publishers and are kept separate; Fixr’s large-infestation tier reaches $8,000, and its headline high end of $9,000 is scoped to fumigation of a 3,500 sq.ft. home.1,2,3

Cost by visit frequency

Angi and HomeAdvisor price recurring plans per visit (matching sibling figures); Fixr prices plans per year. The bases differ, so the columns are not directly comparable:1,2,3

Frequency Angi & HomeAdvisor (per visit) Fixr (per year)
One-time / annual $200 – $700 $150 – $400
Quarterly $100 – $500 $300 – $700
Monthly $100 – $400 $500 – $1,250

Fixr also reports an initial visit typically costs $150 – $400.3

Cost by room or area

Fixr prices single-area treatments by location:3

Location Cost per treatment (Fixr)
Light fixtures $200 – $350
Bedroom, kitchen, closet, or wardrobe $200 – $400
Bathroom $200 – $700
Carpet, attic, or wall $300 – $800

Related costs

HomeAdvisor reports multi-pest service packages add $100 – $300 to a base treatment.2 Fixr reports travel fees of $40 – $75 for homes outside a company’s service area, and professional cleaning after extermination at $150 – $250.3

Fixr also prices repairing silverfish damage: clothing repair at $25 – $100, upholstery cleaning at $100 – $250, and new wallpaper at $800 – $1,200.3

Frequently asked questions

How much does silverfish extermination cost?

Angi, HomeAdvisor, and Fixr all publish a $400 average and a $200 – $700 range; Angi and HomeAdvisor frame their figures per visit, while Fixr scopes its average to a treatment with a follow-up visit.1,2,3

How much does silverfish fumigation cost?

Angi and HomeAdvisor report $2,000 – $3,000 (matching sibling figures).1,2 Fixr reports $2,000 – $6,000 for a 2,000 sq.ft. home, with a $9,000 high end scoped to a 3,500 sq.ft. home.3

How do exterminators identify a silverfish infestation?

HomeAdvisor describes technicians looking for pepper-like droppings, yellowing stains, shed exoskeletons, and damage to paper, cardboard, or fabric, with attention to dark, humid areas such as bathrooms, basements, and attics.2

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Sources

  1. Angi – Silverfish Extermination Costs [2026 Data] (accessed Nov 2, 2026)
  2. HomeAdvisor – How Much Does Silverfish Extermination Cost? [2025 Data] (accessed Nov 2, 2026)
  3. Fixr – Silverfish Extermination Cost | Silverfish Pest Control Cost (updated Jan 2025)