Most people buy homeowners insurance, file it away, and never think about it again — until something goes wrong. That's exactly when the gaps show up. Here's what a standard policy actually covers, what it excludes, and what riders are worth buying.
The Six Parts of a Standard Home Insurance Policy
A standard homeowners policy (called an HO-3 in industry terms) has six coverage components:
| Coverage | What It Protects | Typical Limit |
|---|---|---|
| Dwelling (Coverage A) | The structure of your home | Replacement cost of your home |
| Other Structures (Coverage B) | Detached garage, fence, shed | 10% of dwelling coverage |
| Personal Property (Coverage C) | Furniture, electronics, clothes | 50–70% of dwelling coverage |
| Loss of Use (Coverage D) | Hotel/rental costs if you can't live at home | 20–30% of dwelling coverage |
| Personal Liability (Coverage E) | Lawsuits if someone is injured on your property | $100,000–$500,000 |
| Medical Payments (Coverage F) | Minor injuries to guests (no lawsuit required) | $1,000–$5,000 |
What Home Insurance Covers
Fire and Smoke Damage
One of the most common claims and one of the best-covered perils. This includes house fires, wildfires (in most regions), and smoke damage from a neighbor's fire.
Wind and Hail
Standard policies cover wind and hail damage to your roof, siding, and windows. However, some insurers in hurricane-prone states require a separate wind/hail deductible — often 1–5% of your home's insured value rather than a flat dollar amount.
Theft and Vandalism
Stolen belongings or vandalism to your property are covered. Standard personal property limits apply (50–70% of dwelling coverage), but individual item sub-limits often apply to jewelry ($1,500), electronics ($2,500), and firearms ($2,500).
Water Damage — With Conditions
This is where confusion is highest. Home insurance does cover:
- Sudden, accidental water damage (burst pipe in winter, appliance malfunction)
- Water from a storm that damages your roof and enters the home
Home insurance does not cover:
- Flood damage from rising water (rivers, storm surge) — requires separate flood insurance
- Gradual leaks or seepage (slow drain leak under a sink for months)
- Sewer or drain backup — usually requires a separate rider ($50–$100/year)
Additional Living Expenses
If your home is damaged and uninhabitable, your policy pays for a hotel, rental housing, and additional food costs while repairs happen. Limits vary but are typically 20–30% of your dwelling coverage — so a $400,000 insured home would have $80,000–$120,000 in living expense coverage.
Liability Coverage
If a guest slips on your icy driveway and sues, personal liability coverage pays your legal defense and any judgment up to your policy limit. The standard $100,000 limit is low for most homeowners — $300,000–$500,000 is more appropriate, and costs only $20–$30 more per year.
What Home Insurance Does NOT Cover
These exclusions surprise homeowners every year:
| Not Covered | Why | What To Do |
|---|---|---|
| Flooding | Too catastrophic to price into standard policies | Buy NFIP or private flood insurance |
| Earthquakes | Excluded by virtually all standard policies | Buy a separate earthquake policy |
| Routine maintenance | Wear and tear is expected, not a loss | Budget separately |
| Mold (in most cases) | Usually stems from deferred maintenance | Prevent it; some riders available |
| Home business equipment | Commercial use voids personal property coverage | Add a home business rider |
| High-value jewelry/art | Sub-limits typically $1,500–$2,500 | Schedule items separately |
| Sewer backup | Excluded by default | Add a $50/year rider |
The Flood Insurance Gap
This bears repeating: standard home insurance does not cover flood damage. According to FEMA, just one inch of floodwater can cause $25,000 in damage. If you live in a flood zone — or even near one — flood insurance is not optional.
The National Flood Insurance Program (NFIP) averages around $700–$800/year for coverage. Private flood insurance is often cheaper with higher limits.
Replacement Cost vs. Actual Cash Value
This distinction can cost you tens of thousands of dollars at claim time.
Actual Cash Value (ACV): Pays the depreciated value of damaged property. A 10-year-old roof worth $3,000 at replacement gets depreciated — you might receive $1,200.
Replacement Cost Value (RCV): Pays what it actually costs to replace the item with a new equivalent. More expensive to insure, but far better at claim time.
For personal property especially, upgrade to replacement cost coverage if your policy defaults to ACV. The extra premium is typically $10–$20/month.
How Much Coverage Do You Actually Need?
Dwelling Coverage
Insure your home for its replacement cost — what it would cost to rebuild from scratch. This is almost always different from market value. Land doesn't need to be insured, but labor and materials do.
Underinsuring your dwelling is common. If your home is insured for less than 80% of replacement cost, many policies apply a coinsurance penalty that reduces your payout even on partial claims.
A rough estimate: $150–$200 per square foot for construction costs in most U.S. markets, higher in coastal or high-cost-of-living areas.
Personal Property
Take a home inventory. Walk through every room and estimate the replacement cost of your belongings. Most people discover they're significantly underinsured. A home inventory app makes this straightforward and also speeds up the claims process.
Liability
Standard $100,000 limits are inadequate. Opt for $300,000–$500,000 in personal liability. If you have significant assets to protect, add an umbrella policy ($1M+ in additional liability coverage for $150–$300/year).
Riders Worth Considering
| Rider | Annual Cost | Worth It? |
|---|---|---|
| Sewer/drain backup | $50–$100 | Yes — almost always |
| Scheduled personal property (jewelry, art) | Varies | Yes if you have items worth $5,000+ |
| Replacement cost for personal property | $10–$20/month | Yes |
| Equipment breakdown | $25–$50 | Sometimes |
| Water backup | $50–$75 | Yes |
| Home business | $25–$75 | Yes if you run a business from home |
Bottom Line
A standard HO-3 policy covers the big perils well — fire, wind, theft, liability. The surprises come from what's excluded: flooding, earthquakes, gradual damage, and high-value personal items. Take 30 minutes to read your declarations page, verify your dwelling coverage matches replacement cost, and add the riders that close the gaps.
The goal isn't the cheapest policy — it's a policy that actually pays when you need it.
See also: How to File a Home Insurance Claim | Compare Home Insurance