What Is NOT Covered by Homeowners Insurance?
The Short Answer
Homeowners insurance covers sudden, accidental events (fires, storms, burst pipes, theft). It does NOT cover maintenance, gradual damage, floods, earthquakes, pest damage, sewer backups (without an endorsement), or things that simply wear out over time. The most expensive surprises for homeowners are the things they assumed were covered but aren't... especially flooding, sewer backup, and foundation problems. Understanding these exclusions before you need to file a claim saves thousands in unexpected costs.
What Your Insurance Typically Covers
Fire and smoke damage
Fire is the most comprehensively covered peril. Regardless of the cause (cooking fire, electrical fire, lightning, wildfire), fire damage to the structure and contents is covered. Arson by the homeowner is the one exception.
Wind, hail, and storm damage
Damage from wind, hail, tornadoes, and thunderstorms is covered. Note: many policies have a separate, higher wind/hail deductible (1-5% of home value) rather than the standard flat deductible.
Theft and vandalism
Stolen property and vandalism damage are covered under personal property and dwelling coverage. File a police report first. Personal property has sub-limits for certain categories (jewelry, electronics, cash).
Water damage from sudden internal events
Burst pipes, supply line failures, and water heater ruptures that cause sudden water damage are covered. The key word is "sudden"... gradual leaks are excluded.
Liability protection
If someone is injured on your property or you accidentally damage someone else's property, your liability coverage ($100,000-$500,000 standard) pays for their medical bills, legal defense, and damages.
What Your Insurance Typically Does NOT Cover
Flooding (rising water from outside)
The #1 most expensive exclusion. Rivers overflowing, storm surge, heavy rain that enters at ground level, and rising groundwater are all excluded. Flood insurance is a separate policy through the NFIP or private insurers ($400-$2,000/year). 25% of flood claims come from low and moderate risk zones... don't assume you're safe because you're not in a flood plain.
Earthquakes and earth movement
Earthquakes, sinkholes (except in Florida), landslides, mudslides, and ground settling are excluded. Earthquake insurance is a separate policy ($200-$5,000/year depending on location). This exclusion also covers soil erosion and land subsidence.
Maintenance, wear and tear, and aging
Anything that breaks from normal use, aging, or lack of upkeep is excluded. This covers: old roofs, worn-out HVAC systems, aging plumbing, deteriorating wiring, rotting wood, and every home system that simply reaches end of life. Maintenance is YOUR job.
Sewer and drain backup (without endorsement)
Sewage or water backing up through drains, toilets, or sump pumps is excluded from every standard policy. A sewer backup endorsement ($40-$70/year) adds this coverage. This is arguably the most important add-on most homeowners don't have.
Pest and insect damage
Termites, carpenter ants, rodents, raccoons, bats, and all other pest damage is excluded. Insurers consider pest prevention a maintenance responsibility. Termite damage alone averages $3,000-$5,000 and is always out of pocket.
Mold (limited or excluded)
Most policies cap mold coverage at $5,000-$10,000 even when it results from a covered water event. Some policies exclude mold entirely. Professional mold remediation costs $10,000-$30,000. Check your policy's mold sub-limit today.
Gradual water damage and slow leaks
Water damage from sudden events is covered, but damage from slow, ongoing leaks is not. The distinction between "sudden" and "gradual" is the most common reason water damage claims are denied.
Foundation settling and cracks
Foundation problems from soil settling, expansive clay, poor drainage, or earth movement are excluded. Foundation repair ($2,000-$15,000+) is one of the most expensive uncovered home repairs.
Government action and nuclear hazard
Damage from government seizure, condemnation, nuclear events, and war/terrorism (covered separately by federal programs) are excluded.
Home business equipment and liability
Standard homeowners policies provide very limited coverage for business equipment ($2,500 typical) and no business liability coverage. A home business endorsement or separate business policy is needed.
Certain dog breeds (liability)
Some insurers exclude liability claims related to specific dog breeds considered high-risk (pit bulls, Rottweilers, etc.). If your dog bites someone and the breed is excluded, your liability coverage won't pay. Check your policy if you have a dog.
Pools, trampolines, and "attractive nuisances"
While these aren't excluded from property coverage, they significantly increase liability risk. Some insurers require fencing around pools, won't cover trampolines, or charge higher premiums. Disclose these to your agent.
Real-World Examples
Every policy is different, but here's how these situations typically play out:
“We assumed our policy covered flooding because it covers "water damage." A storm flooded our basement with 3 feet of water. The claim was denied.”
This is the most common and most devastating misunderstanding in homeowners insurance. "Water damage" coverage applies to internal sudden events (burst pipes). EXTERNAL water entering the home from storms, rising water, or ground saturation is FLOOD damage... requiring a completely separate flood policy. The distinction costs uninsured homeowners billions every year.
“Termites ate through our floor joists. We assumed insurance covered pest damage. Repair estimate: $8,000.”
Pest damage is universally excluded. Termite damage averages $3,000-$5,000 nationally, and it's always out of pocket. Annual termite inspections ($0-$100, many companies offer free inspections) are your best prevention. A termite bond from a pest control company ($200-$400/year) is the closest thing to "termite insurance."
“Our 20-year-old furnace died in January. We assumed our homeowners insurance would help with replacement. It didn't.”
Home systems that wear out from age are maintenance items, not insurable events. A furnace, AC, water heater, or appliance dying from normal use is NEVER covered by homeowners insurance. A home warranty ($300-$600/year) is what covers this scenario... with a $75-$125 service fee instead of a $3,000-$7,500 replacement bill.
“A burst pipe flooded our living room. Insurance covered the floor and drywall damage but NOT the plumber's bill to fix the pipe.”
This is correct and expected. Insurance covers the CONSEQUENCES of the failure (water damage) but typically not the CAUSE (the pipe itself). The pipe is a maintenance item. The water damage is a sudden event. Understanding this distinction prevents frustration when the plumber's $500 bill isn't part of the $8,000 claim payout.
“Sewage backed up into our basement. We didn't know we needed a separate endorsement. Cleanup cost $12,000 out of pocket.”
Sewer backup is excluded from EVERY standard homeowners policy. The endorsement costs $40-$70/year. Without it, cleanup and damage costs ($5,000-$15,000) are entirely yours. This is the endorsement that everyone should have and most people don't know about until it's too late.
What About a Home Warranty?
Home warranties fill the gap that homeowners insurance leaves for home systems and appliances. Here's how they divide responsibilities: Homeowners insurance covers: sudden events (fire, storm, burst pipe, theft, liability) Home warranty covers: mechanical failure from normal wear (HVAC, plumbing, appliances, electrical, water heater) Neither covers: floods, earthquakes, foundation, pests, mold beyond limits, gradual damage The combination of homeowners insurance + a few key endorsements + a home warranty covers most scenarios a homeowner will face. The endorsements that matter most: - Sewer backup ($40-$70/year) - Service line ($36-$96/year) - Equipment breakdown (varies) - Increased mold coverage (if available, $50-$200/year)
How to File a Claim (If You Need To)
Before you file: determine if the cause is actually covered. A broken furnace is not a claim. A furnace destroyed by a fire IS a claim. Filing denied claims goes on your CLUE report and can affect future insurability.
Read your policy's declarations page (the summary document). It lists your coverages, limits, deductibles, and endorsements. Know what you have before you need it.
For denied claims you believe are wrong: request the specific policy language the denial is based on. Compare it to your actual policy. Misapplied exclusions do happen.
Consider a public adjuster ($300-$500 or 5-10% of the claim) for large, complex, or disputed claims. They work for you, not the insurance company, and often recover significantly more than the insurer's initial offer.
Your state's Department of Insurance is your resource for complaints, disputes, and questions about coverage. Every state has one, and they regulate insurance companies in your state.
Keep a home inventory (photos/video of every room and major items, stored in the cloud) updated annually. This is the single most helpful thing for any personal property claim.
Things Worth Knowing Before You Need This
- Read your policy's exclusions section (usually Section I, Exclusions). It's dry reading, but the 20 minutes you spend now saves confusion and frustration when you actually need to file a claim.
- Add a sewer backup endorsement if you don't have one. At $40-$70/year, it's the most valuable add-on for the cost. Sewer backups are common, expensive ($5,000-$15,000+), and completely excluded without this endorsement.
- Ask your agent about a service line endorsement ($3-$8/month). It covers underground utility lines (sewer, water, electrical) that are your responsibility from the meter/main to your house.
- Check your mold coverage limit. If it's $5,000-$10,000 (or excluded), ask about increasing it. Serious mold remediation costs $10,000-$30,000.
- If you're in a flood-prone area (or even if you're not), look into flood insurance. Standard policies exclude ALL flooding. NFIP and private flood policies start around $400/year in low-risk zones.
- Fix small problems immediately. A drip you ignore for a week is "sudden." A drip you ignore for 3 months becomes "gradual"... and your claim goes from covered to denied. The line between the two is your maintenance diligence.
Related Replacement Guides
If you do end up needing to pay out of pocket, these guides break down the real costs:
Roof Replacement Guide
Lifespan, cost, warning signs →
Sewer Line Replacement Guide
Lifespan, cost, warning signs →
Furnace Replacement Guide
Lifespan, cost, warning signs →
Air Conditioner Replacement Guide
Lifespan, cost, warning signs →
Sump Pump Replacement Guide
Lifespan, cost, warning signs →
Water Heater Replacement Guide
Lifespan, cost, warning signs →
This guide is for general information only. Insurance coverage varies by policy, provider, and state. Always read your specific policy or call your agent for definitive answers about your coverage.