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Specialized coverage for water damage liability, sewer backup claims, gas line installation, and underground piping risks. Protect your plumbing business today.
Navigate this comprehensive guide to plumbing contractor insurance with our quick-jump table of contents:
Comprehensive protection tailored to the unique risks of residential and commercial plumbing contractors. From water damage to gas line liability.
$1M/$2M limits standard, $500-$2,500 annually
Comprehensive protection against third-party water damage, property damage, and bodily injury claims. Covers completed operations for plumbing failures discovered years after work completion.
Coverage Includes:
$0.50-$7.50 per $100 payroll depending on state
State-mandated coverage protecting plumbers from job-related injuries including back injuries from heavy lifting, cuts from pipe work, and slip hazards from water exposure.
Coverage Includes:
$1,200-$3,500 annually per vehicle
Coverage for service vehicles, work trucks, and any vehicles used for plumbing business. Includes liability and physical damage to your fleet plus tools in transit.
Coverage Includes:
$500-$2,000 annually for $50K coverage
Protects expensive plumbing tools, diagnostic equipment, drain machines, and materials while in transit or at job sites. Essential for mobile plumbing contractors.
Coverage Includes:
$1,500-$5,000 annually for $1M coverage
Protects against errors in plumbing design, code interpretation, fixture selection, and professional recommendations. Critical for design-build plumbing contractors.
Coverage Includes:
$1,500-$5,000 annually for $1M coverage
Specialized coverage for sewer backup, sewage contamination, and environmental claims from plumbing failures. Often required by commercial contracts.
Coverage Includes:
Water damage is the #1 claim type for plumbing contractors. Average claims range from $15,000-$250,000 depending on severity and response time.
Plumbing contractors face higher water damage liability than most trades. A single pipe connection failure can flood an entire building causing hundreds of thousands in damages. Understanding your coverage is essential.
Same-day flooding from active leaks
$15,000 - $75,000
Cleanup, drying, restoration costs
Slow leaks discovered months later
$25,000 - $150,000
Includes mold remediation, structural repair
Multi-floor or commercial flooding
$100,000 - $1M+
Structural damage, business interruption, contents
Plumber installed copper piping with inadequate solder on cold water line. Joint failed 18 months later while homeowners on vacation. Water ran for 5 days flooding all 3 floors. Damage included hardwood floors throughout ($45,000), drywall/insulation ($38,000), kitchen cabinets ($22,000), furniture/contents ($35,000), temporary housing ($18,000), and mold remediation ($28,000).
Completed operations coverage paid full claim after $2,500 deductible
Plumbing contractor improperly installed 120-gallon commercial water heater with faulty temperature/pressure relief valve. Tank ruptured at 3am flooding medical office building. Damage included destroyed medical equipment ($145,000), office build-out ($95,000), tenant business interruption ($125,000), and emergency water extraction ($60,000).
GL policy with $2M limits covered claim, but contractor paid $10,000 deductible
Plumber installed water lines in attic with inadequate insulation. During winter freeze, pipes burst flooding home's second floor and causing ceiling collapse in living areas below. Homeowner sued plumber for negligent installation. Claim included structural repairs ($28,000), water damage restoration ($22,000), temporary housing ($12,000), and contents replacement ($5,000).
Defense costs alone exceeded $15,000 before settlement
Insurance costs vary based on revenue, employee count, services offered, claims history, and location. Use our calculator to estimate your premiums.
* Estimates based on industry averages. Actual premiums vary by location, claims history, and specific operations.
Commercial Plumbing Work
Commercial work carries 35-50% higher premiums
Recent Water Damage Claims
Claims can increase premiums 30-100%
Gas Line Installation
Gas work increases liability exposure
New Business (<2 years)
New contractors pay 25-40% higher rates
High-Risk States
Some states have significantly higher costs
Safety Training Programs
Documented training reduces premiums 5-15%
License Verification
Maintain all licenses and certifications
Package Policies
Bundling saves 10-20% vs separate policies
Higher Deductibles
$2,500-$5,000 deductibles reduce premiums
Claims-Free Discount
3+ years claims-free earns 15-25% discount
Get expert answers to the most common plumbing contractor insurance questions.
Plumbing contractor insurance typically costs between $3,000-$10,000 annually for small to medium operations. General liability starts around $500-$2,500 annually depending on revenue and scope of work. Workers' compensation runs $2.50-$7.50 per $100 of payroll depending on your state and claims history. Commercial auto adds $1,200-$3,500 per vehicle. Total costs depend heavily on your revenue, employee count, services offered (residential vs commercial), and claims history. Commercial plumbing work typically costs 35-50% more to insure than residential-only operations. New construction plumbing may require additional coverage increasing costs another 15-25%.
Protect your plumbing business with specialized coverage from industry experts. Licensed in 48+ states with 20+ years of experience.